%PDF-1.3 1 0 obj << /Type /Catalog /Outlines 2 0 R /Pages 3 0 R >> endobj 2 0 obj << /Type /Outlines /Count 0 >> endobj 3 0 obj << /Type /Pages /Kids [6 0 R 182 0 R 346 0 R 402 0 R 443 0 R 613 0 R 615 0 R 617 0 R ] /Count 8 /Resources << /ProcSet 4 0 R /Font << /F1 8 0 R /F2 9 0 R /F3 10 0 R /F4 11 0 R >> /XObject << /I1 12 0 R /I2 13 0 R /I3 408 0 R /I4 415 0 R /I5 416 0 R /I6 427 0 R /I7 428 0 R /I8 439 0 R /I9 440 0 R /I10 441 0 R /I11 442 0 R >> >> /MediaBox [0.000 0.000 612.000 792.000] >> endobj 4 0 obj [/PDF /Text /ImageC ] endobj 5 0 obj << /Creator (DOMPDF) /CreationDate (D:20170830090729+00'00') /ModDate (D:20170830090729+00'00') /Title (No evidence of impaired gastric emptying in early Huntingtons Disease PLOS Currents Huntington Disease) >> endobj 6 0 obj << /Type /Page /Parent 3 0 R /Annots [ 14 0 R 16 0 R 18 0 R 20 0 R 22 0 R 24 0 R 26 0 R 28 0 R 30 0 R 32 0 R 34 0 R 36 0 R 38 0 R 40 0 R 42 0 R 44 0 R 46 0 R 48 0 R 50 0 R 52 0 R 54 0 R 56 0 R 58 0 R 60 0 R 62 0 R 64 0 R 66 0 R 68 0 R 70 0 R 72 0 R 74 0 R 76 0 R 78 0 R 80 0 R 82 0 R 84 0 R 86 0 R 88 0 R 90 0 R 92 0 R 94 0 R 96 0 R 98 0 R 100 0 R 102 0 R 104 0 R 106 0 R 108 0 R 110 0 R 112 0 R 114 0 R 116 0 R 118 0 R 120 0 R 122 0 R 124 0 R 126 0 R 128 0 R 130 0 R 132 0 R 134 0 R 136 0 R 138 0 R 140 0 R 142 0 R 144 0 R 146 0 R 148 0 R 150 0 R 152 0 R 154 0 R 156 0 R 158 0 R 160 0 R 162 0 R 164 0 R 166 0 R 168 0 R 170 0 R 172 0 R 174 0 R 176 0 R 178 0 R 180 0 R ] /Contents 7 0 R >> endobj 7 0 obj << /Length 27071 >> stream q 375.000 0 0 39.000 222.000 738.000 cm /I2 Do Q q 15.000 684.354 577.500 53.646 re W n 0.267 0.267 0.267 rg BT 15.000 718.042 Td /F2 21.0 Tf [(No evidence of impaired gastric emptying in early Huntingtons )] TJ ET BT 15.000 693.094 Td /F2 21.0 Tf [(Disease)] TJ ET Q 0.271 0.267 0.267 rg BT 15.000 675.088 Td /F3 9.8 Tf [(November 16, 2011)] TJ ET BT 96.510 675.088 Td /F3 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg BT 101.385 675.088 Td /F3 9.8 Tf [(Epidemiology)] TJ ET BT 26.250 663.247 Td /F1 9.8 Tf [(Carsten Saft)] TJ ET 0.271 0.267 0.267 rg BT 80.441 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 85.862 663.247 Td /F1 9.8 Tf [(Jrgen Andrich)] TJ ET 0.271 0.267 0.267 rg BT 151.430 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 156.851 663.247 Td /F1 9.8 Tf [(Marc Flker)] TJ ET 0.271 0.267 0.267 rg BT 208.312 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 213.733 663.247 Td /F1 9.8 Tf [(Sarah Gauda)] TJ ET 0.271 0.267 0.267 rg BT 271.726 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 277.147 663.247 Td /F1 9.8 Tf [(Sina Kchler)] TJ ET 0.271 0.267 0.267 rg BT 332.419 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 337.840 663.247 Td /F1 9.8 Tf [(Dirk Woitalla)] TJ ET 0.271 0.267 0.267 rg BT 392.548 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 397.969 663.247 Td /F1 9.8 Tf [(Oliver Goetze)] TJ ET 0.271 0.267 0.267 rg BT 26.250 651.342 Td /F1 9.8 Tf [(Saft C, Andrich J, Flker M, Gauda S, Kchler S, Woitalla D, Goetze O. No evidence of impaired gastric emptying in early )] TJ ET BT 26.250 639.438 Td /F1 9.8 Tf [(Huntingtons Disease. PLOS Currents Huntington Disease. 2011 Nov 16 . Edition 1. doi: 10.1371/currents.RRN1284.)] TJ ET q 15.000 32.625 577.500 604.432 re W n 0.271 0.267 0.267 rg BT 26.250 610.335 Td /F4 12.0 Tf [(Abstract)] TJ ET BT 26.250 590.381 Td /F1 9.8 Tf [(Background: Several factors, such as dysphagia, an increased motor activity, increased metabolic rate and a hypermetabolic )] TJ ET BT 26.250 578.476 Td /F1 9.8 Tf [(state have been discussed as contributing to weight loss even at the early stages of Huntingtons Disease \(HD\). Aim of this pilot )] TJ ET BT 26.250 566.571 Td /F1 9.8 Tf [(study was to investigate gastric emptying as a possible reason for weight loss in HD.)] TJ ET BT 26.250 547.167 Td /F1 9.8 Tf [(Methods: 11 HD participants at early stages of the disease and matched controls were investigated by using the well-)] TJ ET BT 26.250 535.262 Td /F1 9.8 Tf [(established and non-invasive 13C-octanoate breath test. The Gastroparesis Cardinal Symptom Index and the Short-Form )] TJ ET BT 26.250 523.357 Td /F1 9.8 Tf [(Leeds Dyspepsia Questionnaire were used for clinical evaluation of gastroparesis or dyspepsia.)] TJ ET BT 26.250 503.952 Td /F1 9.8 Tf [(Results: When compared to standard values ??given in literature and controls all HD patients had normal breath test results. )] TJ ET BT 26.250 492.048 Td /F1 9.8 Tf [(There was no evidence of gastroparesis or dyspepsia. There was a correlation of breath test results with the cognitive and )] TJ ET BT 26.250 480.143 Td /F1 9.8 Tf [(functional performance of HD participants.)] TJ ET BT 26.250 460.738 Td /F1 9.8 Tf [(Conclusion: According to our data, there is no evidence of impaired gastric emptying in early HD. We can not exclude that )] TJ ET BT 26.250 448.833 Td /F1 9.8 Tf [(gastric emptying contributes to weight loss at more advanced stages of the disease.)] TJ ET BT 26.250 429.429 Td /F1 9.8 Tf [(Corresponding author: PD Dr. med. Carsten Saft, Department of Neurology, Huntington-Center NRW, St. Josef Hospital, )] TJ ET BT 26.250 417.524 Td /F1 9.8 Tf [(Gudrunstrasse 56, 44791 Bochum, Germany, E-mail: carsten.saft@ruhr-uni-bochum.de)] TJ ET BT 26.250 398.119 Td /F1 9.8 Tf [( Carsten Saft and Jrgen Andrich contributed equally to this work)] TJ ET BT 26.250 361.517 Td /F4 12.0 Tf [(Funding Statement)] TJ ET BT 26.250 341.562 Td /F1 9.8 Tf [(The study was supported by a FoRUM grant, University of Bochum \(AZ: F506-2006\). Oliver Gtze was supported by the DFG )] TJ ET BT 26.250 329.658 Td /F1 9.8 Tf [(\(G 13582/1\).)] TJ ET BT 26.250 300.555 Td /F4 12.0 Tf [(Introduction)] TJ ET BT 26.250 280.601 Td /F1 9.8 Tf [(Weight loss is a main feature in Huntingtons disease \(HD\) and was found to be manifest even at early stages of the disease. )] TJ ET 0.267 0.267 0.267 rg BT 567.082 280.601 Td /F1 9.8 Tf [([1])] TJ ET BT 26.250 268.696 Td /F1 9.8 Tf [([2])] TJ ET BT 37.092 268.696 Td /F1 9.8 Tf [([3])] TJ ET BT 47.934 268.696 Td /F1 9.8 Tf [([4])] TJ ET BT 58.776 268.696 Td /F1 9.8 Tf [([5])] TJ ET 0.271 0.267 0.267 rg BT 69.618 268.696 Td /F1 9.8 Tf [( Multifactorial causes, such as decreased caloric intake due to dysphagia and a higher energy expenditure due to )] TJ ET BT 26.250 256.791 Td /F1 9.8 Tf [(increased motor activity have been discussed as being a possible reason for weight loss especially at the advanced stages of )] TJ ET BT 26.250 244.887 Td /F1 9.8 Tf [(the disease. )] TJ ET 0.267 0.267 0.267 rg BT 81.532 244.887 Td /F1 9.8 Tf [([6])] TJ ET BT 92.374 244.887 Td /F1 9.8 Tf [([7])] TJ ET BT 103.216 244.887 Td /F1 9.8 Tf [([8])] TJ ET BT 114.058 244.887 Td /F1 9.8 Tf [([9])] TJ ET BT 124.900 244.887 Td /F1 9.8 Tf [([10])] TJ ET 0.271 0.267 0.267 rg BT 141.163 244.887 Td /F1 9.8 Tf [( Using a whole body indirect calorimetry in both early stage HD patients and the R6/2 transgenic )] TJ ET BT 26.250 232.982 Td /F1 9.8 Tf [(mouse model of HD, Goodman and colleagues were able to demonstrate that patients with early HD tended to have a negative )] TJ ET BT 26.250 221.077 Td /F1 9.8 Tf [(energy balance for reasons not related to their movement disorder, which was paralleled in the transgenic R6/2 mice. )] TJ ET 0.267 0.267 0.267 rg BT 533.465 221.077 Td /F1 9.8 Tf [([4])] TJ ET 0.271 0.267 0.267 rg BT 544.307 221.077 Td /F1 9.8 Tf [( This )] TJ ET BT 26.250 209.172 Td /F1 9.8 Tf [(leads to the assumption of an increased metabolic rate as a main reason for weight loss in HD, which is supported by other )] TJ ET BT 26.250 197.268 Td /F1 9.8 Tf [(experiments in the transgenic R6/2 mice. )] TJ ET 0.267 0.267 0.267 rg BT 205.611 197.268 Td /F1 9.8 Tf [([4])] TJ ET BT 216.453 197.268 Td /F1 9.8 Tf [([11])] TJ ET BT 232.716 197.268 Td /F1 9.8 Tf [([12])] TJ ET 0.271 0.267 0.267 rg BT 248.979 197.268 Td /F1 9.8 Tf [( In a study investigating the direct relation between the number of CAG )] TJ ET BT 26.250 185.363 Td /F1 9.8 Tf [(repeats in the mutant huntingtin gene and weight loss, Aziz and colleagues found a correlation between both of these factors )] TJ ET BT 26.250 173.458 Td /F1 9.8 Tf [(and discussed a hypermetabolic state as being a reason for weight loss, occurring even at early stages of the disease. )] TJ ET 0.267 0.267 0.267 rg BT 538.915 173.458 Td /F1 9.8 Tf [([13])] TJ ET 0.271 0.267 0.267 rg BT 26.250 161.553 Td /F1 9.8 Tf [(They discussed a hypermetabolic state as being likely to stem directly from interference of the mutant protein with cellular )] TJ ET BT 26.250 149.649 Td /F1 9.8 Tf [(energy homeostasis and thus reflecting fundamental pathologic mechanisms underlying HD and not to be secondary to )] TJ ET BT 26.250 137.744 Td /F1 9.8 Tf [(hyperactivity. Since mutant Huntingtin \(mtHtt\) is not only expressed in the brain of HD patients, but also in the gastrointestinal )] TJ ET BT 26.250 125.839 Td /F1 9.8 Tf [(\(GI\) tract, a recently published study investigated the GI tract in the R6/2 mice model for HD. This study describes a loss of )] TJ ET BT 26.250 113.934 Td /F1 9.8 Tf [(enteric neuropepitdes, a decreased mucosal thickness and villius length and also an impaired gut motility, diarrhea, and )] TJ ET BT 26.250 102.030 Td /F1 9.8 Tf [(malabsorption of food, suggesting that GI dysfunction plays an important role in weight loss in HD mice. )] TJ ET 0.267 0.267 0.267 rg BT 474.945 102.030 Td /F1 9.8 Tf [([14])] TJ ET 0.271 0.267 0.267 rg BT 26.250 82.625 Td /F1 9.8 Tf [(In addition, gastrointestinal dysfunction is discussed as being the main reason for weight loss in Parkinsons disease \(PD\). )] TJ ET 0.267 0.267 0.267 rg BT 555.139 82.625 Td /F1 9.8 Tf [([15])] TJ ET 0.271 0.267 0.267 rg BT 26.250 70.720 Td /F1 9.8 Tf [(In a study using a solid meal and the )] TJ ET BT 187.213 74.608 Td /F1 8.7 Tf [(13)] TJ ET BT 196.850 70.720 Td /F1 9.8 Tf [( C-sodium octanoate breath test for measurement of gastric emptying in patients with )] TJ ET BT 26.250 58.815 Td /F1 9.8 Tf [(PD, Goetze and colleagues found 88% of PD patients suufered from delayed gastric emptying when compared with controls. )] TJ ET BT 26.250 46.911 Td /F1 9.8 Tf [(The severity of motor impairment was associated with gastroparesis. )] TJ ET 0.267 0.267 0.267 rg BT 324.805 46.911 Td /F1 9.8 Tf [([16])] TJ ET 0.271 0.267 0.267 rg BT 341.068 46.911 Td /F1 9.8 Tf [( Several other studies confirm an impaired gastric )] TJ ET Q q 15.000 684.354 577.500 53.646 re W n 0.267 0.267 0.267 rg BT 15.000 718.042 Td /F2 21.0 Tf [(No evidence of impaired gastric emptying in early Huntingtons )] TJ ET BT 15.000 693.094 Td /F2 21.0 Tf [(Disease)] TJ ET Q 0.271 0.267 0.267 rg BT 15.000 675.088 Td /F3 9.8 Tf [(November 16, 2011)] TJ ET BT 96.510 675.088 Td /F3 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg BT 101.385 675.088 Td /F3 9.8 Tf [(Epidemiology)] TJ ET BT 26.250 663.247 Td /F1 9.8 Tf [(Carsten Saft)] TJ ET 0.271 0.267 0.267 rg BT 80.441 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 85.862 663.247 Td /F1 9.8 Tf [(Jrgen Andrich)] TJ ET 0.271 0.267 0.267 rg BT 151.430 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 156.851 663.247 Td /F1 9.8 Tf [(Marc Flker)] TJ ET 0.271 0.267 0.267 rg BT 208.312 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 213.733 663.247 Td /F1 9.8 Tf [(Sarah Gauda)] TJ ET 0.271 0.267 0.267 rg BT 271.726 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 277.147 663.247 Td /F1 9.8 Tf [(Sina Kchler)] TJ ET 0.271 0.267 0.267 rg BT 332.419 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 337.840 663.247 Td /F1 9.8 Tf [(Dirk Woitalla)] TJ ET 0.271 0.267 0.267 rg BT 392.548 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 397.969 663.247 Td /F1 9.8 Tf [(Oliver Goetze)] TJ ET 0.271 0.267 0.267 rg BT 26.250 651.342 Td /F1 9.8 Tf [(Saft C, Andrich J, Flker M, Gauda S, Kchler S, Woitalla D, Goetze O. No evidence of impaired gastric emptying in early )] TJ ET BT 26.250 639.438 Td /F1 9.8 Tf [(Huntingtons Disease. PLOS Currents Huntington Disease. 2011 Nov 16 . Edition 1. doi: 10.1371/currents.RRN1284.)] TJ ET q 15.000 32.625 577.500 604.432 re W n 0.271 0.267 0.267 rg BT 26.250 610.335 Td /F4 12.0 Tf [(Abstract)] TJ ET BT 26.250 590.381 Td /F1 9.8 Tf [(Background: Several factors, such as dysphagia, an increased motor activity, increased metabolic rate and a hypermetabolic )] TJ ET BT 26.250 578.476 Td /F1 9.8 Tf [(state have been discussed as contributing to weight loss even at the early stages of Huntingtons Disease \(HD\). Aim of this pilot )] TJ ET BT 26.250 566.571 Td /F1 9.8 Tf [(study was to investigate gastric emptying as a possible reason for weight loss in HD.)] TJ ET BT 26.250 547.167 Td /F1 9.8 Tf [(Methods: 11 HD participants at early stages of the disease and matched controls were investigated by using the well-)] TJ ET BT 26.250 535.262 Td /F1 9.8 Tf [(established and non-invasive 13C-octanoate breath test. The Gastroparesis Cardinal Symptom Index and the Short-Form )] TJ ET BT 26.250 523.357 Td /F1 9.8 Tf [(Leeds Dyspepsia Questionnaire were used for clinical evaluation of gastroparesis or dyspepsia.)] TJ ET BT 26.250 503.952 Td /F1 9.8 Tf [(Results: When compared to standard values ??given in literature and controls all HD patients had normal breath test results. )] TJ ET BT 26.250 492.048 Td /F1 9.8 Tf [(There was no evidence of gastroparesis or dyspepsia. There was a correlation of breath test results with the cognitive and )] TJ ET BT 26.250 480.143 Td /F1 9.8 Tf [(functional performance of HD participants.)] TJ ET BT 26.250 460.738 Td /F1 9.8 Tf [(Conclusion: According to our data, there is no evidence of impaired gastric emptying in early HD. We can not exclude that )] TJ ET BT 26.250 448.833 Td /F1 9.8 Tf [(gastric emptying contributes to weight loss at more advanced stages of the disease.)] TJ ET BT 26.250 429.429 Td /F1 9.8 Tf [(Corresponding author: PD Dr. med. Carsten Saft, Department of Neurology, Huntington-Center NRW, St. Josef Hospital, )] TJ ET BT 26.250 417.524 Td /F1 9.8 Tf [(Gudrunstrasse 56, 44791 Bochum, Germany, E-mail: carsten.saft@ruhr-uni-bochum.de)] TJ ET BT 26.250 398.119 Td /F1 9.8 Tf [( Carsten Saft and Jrgen Andrich contributed equally to this work)] TJ ET BT 26.250 361.517 Td /F4 12.0 Tf [(Funding Statement)] TJ ET BT 26.250 341.562 Td /F1 9.8 Tf [(The study was supported by a FoRUM grant, University of Bochum \(AZ: F506-2006\). Oliver Gtze was supported by the DFG )] TJ ET BT 26.250 329.658 Td /F1 9.8 Tf [(\(G 13582/1\).)] TJ ET BT 26.250 300.555 Td /F4 12.0 Tf [(Introduction)] TJ ET BT 26.250 280.601 Td /F1 9.8 Tf [(Weight loss is a main feature in Huntingtons disease \(HD\) and was found to be manifest even at early stages of the disease. )] TJ ET 0.267 0.267 0.267 rg BT 567.082 280.601 Td /F1 9.8 Tf [([1])] TJ ET BT 26.250 268.696 Td /F1 9.8 Tf [([2])] TJ ET BT 37.092 268.696 Td /F1 9.8 Tf [([3])] TJ ET BT 47.934 268.696 Td /F1 9.8 Tf [([4])] TJ ET BT 58.776 268.696 Td /F1 9.8 Tf [([5])] TJ ET 0.271 0.267 0.267 rg BT 69.618 268.696 Td /F1 9.8 Tf [( Multifactorial causes, such as decreased caloric intake due to dysphagia and a higher energy expenditure due to )] TJ ET BT 26.250 256.791 Td /F1 9.8 Tf [(increased motor activity have been discussed as being a possible reason for weight loss especially at the advanced stages of )] TJ ET BT 26.250 244.887 Td /F1 9.8 Tf [(the disease. )] TJ ET 0.267 0.267 0.267 rg BT 81.532 244.887 Td /F1 9.8 Tf [([6])] TJ ET BT 92.374 244.887 Td /F1 9.8 Tf [([7])] TJ ET BT 103.216 244.887 Td /F1 9.8 Tf [([8])] TJ ET BT 114.058 244.887 Td /F1 9.8 Tf [([9])] TJ ET BT 124.900 244.887 Td /F1 9.8 Tf [([10])] TJ ET 0.271 0.267 0.267 rg BT 141.163 244.887 Td /F1 9.8 Tf [( Using a whole body indirect calorimetry in both early stage HD patients and the R6/2 transgenic )] TJ ET BT 26.250 232.982 Td /F1 9.8 Tf [(mouse model of HD, Goodman and colleagues were able to demonstrate that patients with early HD tended to have a negative )] TJ ET BT 26.250 221.077 Td /F1 9.8 Tf [(energy balance for reasons not related to their movement disorder, which was paralleled in the transgenic R6/2 mice. )] TJ ET 0.267 0.267 0.267 rg BT 533.465 221.077 Td /F1 9.8 Tf [([4])] TJ ET 0.271 0.267 0.267 rg BT 544.307 221.077 Td /F1 9.8 Tf [( This )] TJ ET BT 26.250 209.172 Td /F1 9.8 Tf [(leads to the assumption of an increased metabolic rate as a main reason for weight loss in HD, which is supported by other )] TJ ET BT 26.250 197.268 Td /F1 9.8 Tf [(experiments in the transgenic R6/2 mice. )] TJ ET 0.267 0.267 0.267 rg BT 205.611 197.268 Td /F1 9.8 Tf [([4])] TJ ET BT 216.453 197.268 Td /F1 9.8 Tf [([11])] TJ ET BT 232.716 197.268 Td /F1 9.8 Tf [([12])] TJ ET 0.271 0.267 0.267 rg BT 248.979 197.268 Td /F1 9.8 Tf [( In a study investigating the direct relation between the number of CAG )] TJ ET BT 26.250 185.363 Td /F1 9.8 Tf [(repeats in the mutant huntingtin gene and weight loss, Aziz and colleagues found a correlation between both of these factors )] TJ ET BT 26.250 173.458 Td /F1 9.8 Tf [(and discussed a hypermetabolic state as being a reason for weight loss, occurring even at early stages of the disease. )] TJ ET 0.267 0.267 0.267 rg BT 538.915 173.458 Td /F1 9.8 Tf [([13])] TJ ET 0.271 0.267 0.267 rg BT 26.250 161.553 Td /F1 9.8 Tf [(They discussed a hypermetabolic state as being likely to stem directly from interference of the mutant protein with cellular )] TJ ET BT 26.250 149.649 Td /F1 9.8 Tf [(energy homeostasis and thus reflecting fundamental pathologic mechanisms underlying HD and not to be secondary to )] TJ ET BT 26.250 137.744 Td /F1 9.8 Tf [(hyperactivity. Since mutant Huntingtin \(mtHtt\) is not only expressed in the brain of HD patients, but also in the gastrointestinal )] TJ ET BT 26.250 125.839 Td /F1 9.8 Tf [(\(GI\) tract, a recently published study investigated the GI tract in the R6/2 mice model for HD. This study describes a loss of )] TJ ET BT 26.250 113.934 Td /F1 9.8 Tf [(enteric neuropepitdes, a decreased mucosal thickness and villius length and also an impaired gut motility, diarrhea, and )] TJ ET BT 26.250 102.030 Td /F1 9.8 Tf [(malabsorption of food, suggesting that GI dysfunction plays an important role in weight loss in HD mice. )] TJ ET 0.267 0.267 0.267 rg BT 474.945 102.030 Td /F1 9.8 Tf [([14])] TJ ET 0.271 0.267 0.267 rg BT 26.250 82.625 Td /F1 9.8 Tf [(In addition, gastrointestinal dysfunction is discussed as being the main reason for weight loss in Parkinsons disease \(PD\). )] TJ ET 0.267 0.267 0.267 rg BT 555.139 82.625 Td /F1 9.8 Tf [([15])] TJ ET 0.271 0.267 0.267 rg BT 26.250 70.720 Td /F1 9.8 Tf [(In a study using a solid meal and the )] TJ ET BT 187.213 74.608 Td /F1 8.7 Tf [(13)] TJ ET BT 196.850 70.720 Td /F1 9.8 Tf [( C-sodium octanoate breath test for measurement of gastric emptying in patients with )] TJ ET BT 26.250 58.815 Td /F1 9.8 Tf [(PD, Goetze and colleagues found 88% of PD patients suufered from delayed gastric emptying when compared with controls. )] TJ ET BT 26.250 46.911 Td /F1 9.8 Tf [(The severity of motor impairment was associated with gastroparesis. )] TJ ET 0.267 0.267 0.267 rg BT 324.805 46.911 Td /F1 9.8 Tf [([16])] TJ ET 0.271 0.267 0.267 rg BT 341.068 46.911 Td /F1 9.8 Tf [( Several other studies confirm an impaired gastric )] TJ ET Q q 15.000 684.354 577.500 53.646 re W n 0.267 0.267 0.267 rg BT 15.000 718.042 Td /F2 21.0 Tf [(No evidence of impaired gastric emptying in early Huntingtons )] TJ ET BT 15.000 693.094 Td /F2 21.0 Tf [(Disease)] TJ ET Q 0.271 0.267 0.267 rg BT 15.000 675.088 Td /F3 9.8 Tf [(November 16, 2011)] TJ ET BT 96.510 675.088 Td /F3 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg BT 101.385 675.088 Td /F3 9.8 Tf [(Epidemiology)] TJ ET BT 26.250 663.247 Td /F1 9.8 Tf [(Carsten Saft)] TJ ET 0.271 0.267 0.267 rg BT 80.441 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 85.862 663.247 Td /F1 9.8 Tf [(Jrgen Andrich)] TJ ET 0.271 0.267 0.267 rg BT 151.430 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 156.851 663.247 Td /F1 9.8 Tf [(Marc Flker)] TJ ET 0.271 0.267 0.267 rg BT 208.312 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 213.733 663.247 Td /F1 9.8 Tf [(Sarah Gauda)] TJ ET 0.271 0.267 0.267 rg BT 271.726 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 277.147 663.247 Td /F1 9.8 Tf [(Sina Kchler)] TJ ET 0.271 0.267 0.267 rg BT 332.419 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 337.840 663.247 Td /F1 9.8 Tf [(Dirk Woitalla)] TJ ET 0.271 0.267 0.267 rg BT 392.548 663.247 Td /F1 9.8 Tf [(, )] TJ ET 0.267 0.267 0.267 rg BT 397.969 663.247 Td /F1 9.8 Tf [(Oliver Goetze)] TJ ET 0.271 0.267 0.267 rg BT 26.250 651.342 Td /F1 9.8 Tf [(Saft C, Andrich J, Flker M, Gauda S, Kchler S, Woitalla D, Goetze O. No evidence of impaired gastric emptying in early )] TJ ET BT 26.250 639.438 Td /F1 9.8 Tf [(Huntingtons Disease. PLOS Currents Huntington Disease. 2011 Nov 16 . Edition 1. doi: 10.1371/currents.RRN1284.)] TJ ET q 15.000 32.625 577.500 604.432 re W n 0.271 0.267 0.267 rg BT 26.250 610.335 Td /F4 12.0 Tf [(Abstract)] TJ ET BT 26.250 590.381 Td /F1 9.8 Tf [(Background: Several factors, such as dysphagia, an increased motor activity, increased metabolic rate and a hypermetabolic )] TJ ET BT 26.250 578.476 Td /F1 9.8 Tf [(state have been discussed as contributing to weight loss even at the early stages of Huntingtons Disease \(HD\). Aim of this pilot )] TJ ET BT 26.250 566.571 Td /F1 9.8 Tf [(study was to investigate gastric emptying as a possible reason for weight loss in HD.)] TJ ET BT 26.250 547.167 Td /F1 9.8 Tf [(Methods: 11 HD participants at early stages of the disease and matched controls were investigated by using the well-)] TJ ET BT 26.250 535.262 Td /F1 9.8 Tf [(established and non-invasive 13C-octanoate breath test. The Gastroparesis Cardinal Symptom Index and the Short-Form )] TJ ET BT 26.250 523.357 Td /F1 9.8 Tf [(Leeds Dyspepsia Questionnaire were used for clinical evaluation of gastroparesis or dyspepsia.)] TJ ET BT 26.250 503.952 Td /F1 9.8 Tf [(Results: When compared to standard values ??given in literature and controls all HD patients had normal breath test results. )] TJ ET BT 26.250 492.048 Td /F1 9.8 Tf [(There was no evidence of gastroparesis or dyspepsia. There was a correlation of breath test results with the cognitive and )] TJ ET BT 26.250 480.143 Td /F1 9.8 Tf [(functional performance of HD participants.)] TJ ET BT 26.250 460.738 Td /F1 9.8 Tf [(Conclusion: According to our data, there is no evidence of impaired gastric emptying in early HD. We can not exclude that )] TJ ET BT 26.250 448.833 Td /F1 9.8 Tf [(gastric emptying contributes to weight loss at more advanced stages of the disease.)] TJ ET BT 26.250 429.429 Td /F1 9.8 Tf [(Corresponding author: PD Dr. med. Carsten Saft, Department of Neurology, Huntington-Center NRW, St. Josef Hospital, )] TJ ET BT 26.250 417.524 Td /F1 9.8 Tf [(Gudrunstrasse 56, 44791 Bochum, Germany, E-mail: carsten.saft@ruhr-uni-bochum.de)] TJ ET BT 26.250 398.119 Td /F1 9.8 Tf [( Carsten Saft and Jrgen Andrich contributed equally to this work)] TJ ET BT 26.250 361.517 Td /F4 12.0 Tf [(Funding Statement)] TJ ET BT 26.250 341.562 Td /F1 9.8 Tf [(The study was supported by a FoRUM grant, University of Bochum \(AZ: F506-2006\). Oliver Gtze was supported by the DFG )] TJ ET BT 26.250 329.658 Td /F1 9.8 Tf [(\(G 13582/1\).)] TJ ET BT 26.250 300.555 Td /F4 12.0 Tf [(Introduction)] TJ ET BT 26.250 280.601 Td /F1 9.8 Tf [(Weight loss is a main feature in Huntingtons disease \(HD\) and was found to be manifest even at early stages of the disease. )] TJ ET 0.267 0.267 0.267 rg BT 567.082 280.601 Td /F1 9.8 Tf [([1])] TJ ET BT 26.250 268.696 Td /F1 9.8 Tf [([2])] TJ ET BT 37.092 268.696 Td /F1 9.8 Tf [([3])] TJ ET BT 47.934 268.696 Td /F1 9.8 Tf [([4])] TJ ET BT 58.776 268.696 Td /F1 9.8 Tf [([5])] TJ ET 0.271 0.267 0.267 rg BT 69.618 268.696 Td /F1 9.8 Tf [( Multifactorial causes, such as decreased caloric intake due to dysphagia and a higher energy expenditure due to )] TJ ET BT 26.250 256.791 Td /F1 9.8 Tf [(increased motor activity have been discussed as being a possible reason for weight loss especially at the advanced stages of )] TJ ET BT 26.250 244.887 Td /F1 9.8 Tf [(the disease. )] TJ ET 0.267 0.267 0.267 rg BT 81.532 244.887 Td /F1 9.8 Tf [([6])] TJ ET BT 92.374 244.887 Td /F1 9.8 Tf [([7])] TJ ET BT 103.216 244.887 Td /F1 9.8 Tf [([8])] TJ ET BT 114.058 244.887 Td /F1 9.8 Tf [([9])] TJ ET BT 124.900 244.887 Td /F1 9.8 Tf [([10])] TJ ET 0.271 0.267 0.267 rg BT 141.163 244.887 Td /F1 9.8 Tf [( Using a whole body indirect calorimetry in both early stage HD patients and the R6/2 transgenic )] TJ ET BT 26.250 232.982 Td /F1 9.8 Tf [(mouse model of HD, Goodman and colleagues were able to demonstrate that patients with early HD tended to have a negative )] TJ ET BT 26.250 221.077 Td /F1 9.8 Tf [(energy balance for reasons not related to their movement disorder, which was paralleled in the transgenic R6/2 mice. )] TJ ET 0.267 0.267 0.267 rg BT 533.465 221.077 Td /F1 9.8 Tf [([4])] TJ ET 0.271 0.267 0.267 rg BT 544.307 221.077 Td /F1 9.8 Tf [( This )] TJ ET BT 26.250 209.172 Td /F1 9.8 Tf [(leads to the assumption of an increased metabolic rate as a main reason for weight loss in HD, which is supported by other )] TJ ET BT 26.250 197.268 Td /F1 9.8 Tf [(experiments in the transgenic R6/2 mice. )] TJ ET 0.267 0.267 0.267 rg BT 205.611 197.268 Td /F1 9.8 Tf [([4])] TJ ET BT 216.453 197.268 Td /F1 9.8 Tf [([11])] TJ ET BT 232.716 197.268 Td /F1 9.8 Tf [([12])] TJ ET 0.271 0.267 0.267 rg BT 248.979 197.268 Td /F1 9.8 Tf [( In a study investigating the direct relation between the number of CAG )] TJ ET BT 26.250 185.363 Td /F1 9.8 Tf [(repeats in the mutant huntingtin gene and weight loss, Aziz and colleagues found a correlation between both of these factors )] TJ ET BT 26.250 173.458 Td /F1 9.8 Tf [(and discussed a hypermetabolic state as being a reason for weight loss, occurring even at early stages of the disease. )] TJ ET 0.267 0.267 0.267 rg BT 538.915 173.458 Td /F1 9.8 Tf [([13])] TJ ET 0.271 0.267 0.267 rg BT 26.250 161.553 Td /F1 9.8 Tf [(They discussed a hypermetabolic state as being likely to stem directly from interference of the mutant protein with cellular )] TJ ET BT 26.250 149.649 Td /F1 9.8 Tf [(energy homeostasis and thus reflecting fundamental pathologic mechanisms underlying HD and not to be secondary to )] TJ ET BT 26.250 137.744 Td /F1 9.8 Tf [(hyperactivity. Since mutant Huntingtin \(mtHtt\) is not only expressed in the brain of HD patients, but also in the gastrointestinal )] TJ ET BT 26.250 125.839 Td /F1 9.8 Tf [(\(GI\) tract, a recently published study investigated the GI tract in the R6/2 mice model for HD. This study describes a loss of )] TJ ET BT 26.250 113.934 Td /F1 9.8 Tf [(enteric neuropepitdes, a decreased mucosal thickness and villius length and also an impaired gut motility, diarrhea, and )] TJ ET BT 26.250 102.030 Td /F1 9.8 Tf [(malabsorption of food, suggesting that GI dysfunction plays an important role in weight loss in HD mice. )] TJ ET 0.267 0.267 0.267 rg BT 474.945 102.030 Td /F1 9.8 Tf [([14])] TJ ET 0.271 0.267 0.267 rg BT 26.250 82.625 Td /F1 9.8 Tf [(In addition, gastrointestinal dysfunction is discussed as being the main reason for weight loss in Parkinsons disease \(PD\). )] TJ ET 0.267 0.267 0.267 rg BT 555.139 82.625 Td /F1 9.8 Tf [([15])] TJ ET 0.271 0.267 0.267 rg BT 26.250 70.720 Td /F1 9.8 Tf [(In a study using a solid meal and the )] TJ ET BT 187.213 74.608 Td /F1 8.7 Tf [(13)] TJ ET BT 196.850 70.720 Td /F1 9.8 Tf [( C-sodium octanoate breath test for measurement of gastric emptying in patients with )] TJ ET BT 26.250 58.815 Td /F1 9.8 Tf [(PD, Goetze and colleagues found 88% of PD patients suufered from delayed gastric emptying when compared with controls. )] TJ ET BT 26.250 46.911 Td /F1 9.8 Tf [(The severity of motor impairment was associated with gastroparesis. )] TJ ET 0.267 0.267 0.267 rg BT 324.805 46.911 Td /F1 9.8 Tf [([16])] TJ ET 0.271 0.267 0.267 rg BT 341.068 46.911 Td /F1 9.8 Tf [( Several other studies confirm an impaired gastric )] TJ ET Q q 0.000 0.000 0.000 rg BT 291.710 19.825 Td /F1 11.0 Tf [(1)] TJ ET BT 25.000 19.825 Td /F1 11.0 Tf [(PLOS Currents Huntington Disease)] TJ ET Q endstream endobj 8 0 obj << /Type /Font /Subtype /Type1 /Name /F1 /BaseFont /Helvetica /Encoding /WinAnsiEncoding >> endobj 9 0 obj << /Type /Font /Subtype /Type1 /Name /F2 /BaseFont /Times-Bold /Encoding /WinAnsiEncoding >> endobj 10 0 obj << /Type /Font /Subtype /Type1 /Name /F3 /BaseFont /Times-Italic /Encoding /WinAnsiEncoding >> endobj 11 0 obj << /Type /Font /Subtype /Type1 /Name /F4 /BaseFont /Helvetica-Bold /Encoding /WinAnsiEncoding >> endobj 12 0 obj << /Type /XObject /Subtype /Image /Width 500 /Height 52 /Filter /FlateDecode /DecodeParms << /Predictor 15 /Colors 1 /Columns 500 /BitsPerComponent 8>> /ColorSpace /DeviceGray /BitsPerComponent 8 /Length 144>> stream x1 0 'ݲ؎"e{dzAdzAdzAdzAdzAdzAdzAdzAdzAdzAdzAdzAtlM0\ endstream endobj 13 0 obj << /Type /XObject /Subtype /Image /Width 500 /Height 52 /SMask 12 0 R /Filter /FlateDecode /DecodeParms << /Predictor 15 /Colors 3 /Columns 500 /BitsPerComponent 8>> /ColorSpace /DeviceRGB /BitsPerComponent 8 /Length 4223>> stream xە8=,8C#h!hGv#0=j$q1uaNĥT*J&a_Zaa0 a0 a0 H^UUUUX!0 3SY|^G0 ÌÔ{]wa_>"OeYaG!8e}a6̖{4M&d:"qʲ\QUUMS<ϛNld2l6Z a<=2B(2vK7M\.GW0 rrWWavߖe9C?Eq8Gqy~~}_qdϽ(neYʒGjK4EQNjͷm{X?|7m۶mqP:Ȳp8Kmu]lNzuZ,NTeY"jlUUQW\,aRiVbȗLkHkEsjd.L6=Iו P]1t7Sc2uIuMM; K5>A$Ǒ$I׋nY 0_Hat;aq䃰U$nR ,zO7bT mhhԫܻu1F*qm'P}ܙ<ϕALO6Lw3nB.T4co{߽.lV $laԀIu!gwChxJ]Ne (+M"d-Eqc=P ! 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R >> endobj 183 0 obj << /Length 53824 >> stream 0.271 0.267 0.267 rg q 15.000 76.473 577.500 700.527 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(emptying in PD, some of them with a rate of 100% of PD patients. )] TJ ET 0.267 0.267 0.267 rg BT 312.383 767.476 Td /F1 9.8 Tf [([16])] TJ ET BT 328.646 767.476 Td /F1 9.8 Tf [([17])] TJ ET BT 344.909 767.476 Td /F1 9.8 Tf [([18])] TJ ET BT 361.172 767.476 Td /F1 9.8 Tf [([19])] TJ ET BT 377.435 767.476 Td /F1 9.8 Tf [([20])] TJ ET BT 393.698 767.476 Td /F1 9.8 Tf [([21])] TJ ET 0.271 0.267 0.267 rg BT 409.961 767.476 Td /F1 9.8 Tf [( One study describes a 60% delay in )] TJ ET BT 26.250 755.571 Td /F1 9.8 Tf [(gastric half emptying time in the PD patient group after a solid test meal using the non-invasive )] TJ ET BT 437.017 759.460 Td /F1 8.7 Tf [(13)] TJ ET BT 446.655 755.571 Td /F1 9.8 Tf [( C-sodium octanoate breath )] TJ ET BT 26.250 743.667 Td /F1 9.8 Tf [(test for evaluation of gastric emptying. )] TJ ET 0.267 0.267 0.267 rg BT 193.160 743.667 Td /F1 9.8 Tf [([17])] TJ ET 0.271 0.267 0.267 rg BT 209.423 743.667 Td /F1 9.8 Tf [( Neuropathological findings suggest enteric dysfunction to be one of the initial )] TJ ET BT 26.250 731.762 Td /F1 9.8 Tf [(pathophysiological events in PD. )] TJ ET 0.267 0.267 0.267 rg BT 169.858 731.762 Td /F1 9.8 Tf [([16])] TJ ET BT 186.121 731.762 Td /F1 9.8 Tf [([22])] TJ ET 0.271 0.267 0.267 rg BT 202.384 731.762 Td /F1 9.8 Tf [( Central and enteric nervous system involvement in PD is discussed as being a )] TJ ET BT 26.250 719.857 Td /F1 9.8 Tf [(pathophysiologic basis for this dysfunction. )] TJ ET 0.267 0.267 0.267 rg BT 213.752 719.857 Td /F1 9.8 Tf [([15])] TJ ET 0.271 0.267 0.267 rg BT 26.250 700.452 Td /F1 9.8 Tf [(Autonomic nervous dysfunction was found to be present in HD, too. )] TJ ET 0.267 0.267 0.267 rg BT 319.978 700.452 Td /F1 9.8 Tf [([23])] TJ ET 0.271 0.267 0.267 rg BT 336.241 700.452 Td /F1 9.8 Tf [( Thus, the aim of the current study was to investigate )] TJ ET BT 26.250 688.548 Td /F1 9.8 Tf [(gastric emptying in early HD patients without medication as a possible additional reason for weight loss by using the well-)] TJ ET BT 26.250 676.643 Td /F1 9.8 Tf [(established )] TJ ET BT 78.276 680.531 Td /F1 8.7 Tf [(13)] TJ ET BT 87.913 676.643 Td /F1 9.8 Tf [( C-octanoate breath test. )] TJ ET 0.267 0.267 0.267 rg BT 197.932 676.643 Td /F1 9.8 Tf [([16])] TJ ET BT 214.195 676.643 Td /F1 9.8 Tf [([17])] TJ ET BT 230.458 676.643 Td /F1 9.8 Tf [([18])] TJ ET BT 246.721 676.643 Td /F1 9.8 Tf [([19])] TJ ET BT 262.984 676.643 Td /F1 9.8 Tf [([20])] TJ ET BT 279.247 676.643 Td /F1 9.8 Tf [([21])] TJ ET BT 295.510 676.643 Td /F1 9.8 Tf [([24])] TJ ET 0.271 0.267 0.267 rg BT 26.250 640.040 Td /F4 12.0 Tf [(Methods)] TJ ET BT 26.250 620.086 Td /F4 9.8 Tf [(Participants)] TJ ET BT 26.250 600.681 Td /F1 9.8 Tf [(11 manifest HD patients with genetically confirmed diagnosis and without any medication in at clinically early stages of the )] TJ ET BT 26.250 588.777 Td /F1 9.8 Tf [(disease \(Shoulson stage I/II\) and 11 controls were recruited from the HD centre Bochum, Germany. )] TJ ET 0.267 0.267 0.267 rg BT 458.136 588.777 Td /F1 9.8 Tf [([25])] TJ ET 0.271 0.267 0.267 rg BT 474.399 588.777 Td /F1 9.8 Tf [( Participants with )] TJ ET BT 26.250 576.872 Td /F1 9.8 Tf [(known concurrent gastrointestinal diseases or previous operations of the gastro-intestinal tract were excluded, as well as )] TJ ET BT 26.250 564.967 Td /F1 9.8 Tf [(patients with other severe diseases, diabetes mellitus, severe respiratory dysfunction, and malignancies. Also participants with )] TJ ET BT 26.250 553.062 Td /F1 9.8 Tf [(concurrent liver diseases or excessive alcohol consumption \(50 g/d of ethanol\) were excluded. All participants had lab )] TJ ET BT 26.250 541.158 Td /F1 9.8 Tf [(parameters for ALT, AST, LDH, cholesterol and triglycerides within the normal range, as well as normal findings for the )] TJ ET BT 26.250 529.253 Td /F1 9.8 Tf [(ultrasonography of the upper abdomen. Pregnant and breast-feeding women were excluded. All HD participants underwent )] TJ ET BT 26.250 517.348 Td /F1 9.8 Tf [(neurological investigation and were scored according to the UHDRS items motor scale \(MS\), total functional capacity \(TFC\) )] TJ ET BT 26.250 505.443 Td /F1 9.8 Tf [(independence scale \(IS\) and the items verbal fluency test, symbol digit test, interference test, color naming and color reading )] TJ ET BT 26.250 493.539 Td /F1 9.8 Tf [(which were summarized as cognitive score \(CS\). )] TJ ET 0.267 0.267 0.267 rg BT 246.210 493.539 Td /F1 9.8 Tf [([26])] TJ ET 0.271 0.267 0.267 rg BT 262.473 493.539 Td /F1 9.8 Tf [( Fine motor skills were additionally measured by simple \(tapping; higher )] TJ ET BT 26.250 481.634 Td /F1 9.8 Tf [(motor impairment leads to lower test results\) and complex \(pegboard; higher motor impairment leads to higher test results\) )] TJ ET BT 26.250 469.729 Td /F1 9.8 Tf [(instrumental movement tests. )] TJ ET 0.267 0.267 0.267 rg BT 156.296 469.729 Td /F1 9.8 Tf [([27])] TJ ET BT 172.559 469.729 Td /F1 9.8 Tf [([28])] TJ ET BT 188.822 469.729 Td /F1 9.8 Tf [([29])] TJ ET BT 205.085 469.729 Td /F1 9.8 Tf [([30])] TJ ET 0.271 0.267 0.267 rg BT 221.348 469.729 Td /F1 9.8 Tf [( The severity of depressive symptoms was assessed by using the Becks )] TJ ET BT 26.250 457.824 Td /F1 9.8 Tf [(depression inventory \(BDI\) and Hamilton depression rating scale. )] TJ ET 0.267 0.267 0.267 rg BT 310.190 457.824 Td /F1 9.8 Tf [([31])] TJ ET BT 326.452 457.824 Td /F1 9.8 Tf [([32])] TJ ET 0.271 0.267 0.267 rg BT 342.715 457.824 Td /F1 9.8 Tf [( Clinical characteristics of all HD patients are given in )] TJ ET BT 26.250 445.920 Td /F1 9.8 Tf [(table 1. In addition we calculated the disease burden score \(DBS = [CAG repeat 35.5] x age\) for each subject. )] TJ ET 0.267 0.267 0.267 rg BT 510.484 445.920 Td /F1 9.8 Tf [([33])] TJ ET 0.271 0.267 0.267 rg BT 526.747 445.920 Td /F1 9.8 Tf [( The study )] TJ ET BT 26.250 434.015 Td /F1 9.8 Tf [(was approved by the ethic committee of the Ruhr-University Bochum, Germany \(registration-number 2719\). Participants gave )] TJ ET BT 26.250 422.110 Td /F1 9.8 Tf [(informed written consent according to GCP/ICH.)] TJ ET 1.000 1.000 1.000 rg 26.250 76.473 555.000 335.756 re f 0.267 0.267 0.267 rg 26.625 411.104 210.174 0.750 re f 26.625 395.223 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 401.249 Td /F4 9.8 Tf [(Parameter)] TJ ET 0.267 0.267 0.267 rg 236.049 411.104 188.959 0.750 re f 236.049 395.223 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 401.249 Td /F4 9.8 Tf [(HD Participants)] TJ ET 0.267 0.267 0.267 rg 424.258 411.104 156.617 0.750 re f 424.258 395.223 0.750 16.631 re f 580.125 395.223 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 401.249 Td /F4 9.8 Tf [(Controls)] TJ ET 0.267 0.267 0.267 rg 26.625 395.223 210.174 0.750 re f 26.625 379.342 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 385.368 Td /F1 9.8 Tf [(Age [yr])] TJ ET 0.267 0.267 0.267 rg 236.049 395.223 188.959 0.750 re f 236.049 379.342 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 385.368 Td /F1 9.8 Tf [(42.4 8.4 \(29-57\))] TJ ET 0.267 0.267 0.267 rg 424.258 395.223 156.617 0.750 re f 424.258 379.342 0.750 16.631 re f 580.125 379.342 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 385.368 Td /F1 9.8 Tf [(48.9 9.6 \(38-69\))] TJ ET 0.267 0.267 0.267 rg 26.625 379.342 210.174 0.750 re f 26.625 363.461 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 369.487 Td /F1 9.8 Tf [(Gender \(male/female\))] TJ ET 0.267 0.267 0.267 rg 236.049 379.342 188.959 0.750 re f 236.049 363.461 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 369.487 Td /F1 9.8 Tf [(3/8)] TJ ET 0.267 0.267 0.267 rg 424.258 379.342 156.617 0.750 re f 424.258 363.461 0.750 16.631 re f 580.125 363.461 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 369.487 Td /F1 9.8 Tf [(3/8)] TJ ET 0.267 0.267 0.267 rg 26.625 363.461 210.174 0.750 re f 26.625 347.579 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 353.606 Td /F1 9.8 Tf [(BMI)] TJ ET 0.267 0.267 0.267 rg 236.049 363.461 188.959 0.750 re f 236.049 347.579 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 353.606 Td /F1 9.8 Tf [(22.5 3.5 \(16-30\))] TJ ET 0.267 0.267 0.267 rg 424.258 363.461 156.617 0.750 re f 424.258 347.579 0.750 16.631 re f 580.125 347.579 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 353.606 Td /F1 9.8 Tf [(26.5 6.4 \(19-42\))] TJ ET 0.267 0.267 0.267 rg 26.625 347.579 210.174 0.750 re f 26.625 331.698 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 337.724 Td /F1 9.8 Tf [(Weight [kg])] TJ ET 0.267 0.267 0.267 rg 236.049 347.579 188.959 0.750 re f 236.049 331.698 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 337.724 Td /F1 9.8 Tf [(63.6 14.1 \(42-85\))] TJ ET 0.267 0.267 0.267 rg 424.258 347.579 156.617 0.750 re f 424.258 331.698 0.750 16.631 re f 580.125 331.698 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 337.724 Td /F1 9.8 Tf [(84.5 22.5 \(54-128\))] TJ ET 0.267 0.267 0.267 rg 26.625 331.698 210.174 0.750 re f 26.625 315.817 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 321.843 Td /F1 9.8 Tf [(Height [cm])] TJ ET 0.267 0.267 0.267 rg 236.049 331.698 188.959 0.750 re f 236.049 315.817 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 321.843 Td /F1 9.8 Tf [(166.8 10.1 \(153-183\))] TJ ET 0.267 0.267 0.267 rg 424.258 331.698 156.617 0.750 re f 424.258 315.817 0.750 16.631 re f 580.125 315.817 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 321.843 Td /F1 9.8 Tf [(178.2 9.4 \(164-190\))] TJ ET 0.267 0.267 0.267 rg 26.625 315.817 210.174 0.750 re f 26.625 299.935 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 305.962 Td /F1 9.8 Tf [(AO motor)] TJ ET 0.267 0.267 0.267 rg 236.049 315.817 188.959 0.750 re f 236.049 299.935 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 305.962 Td /F1 9.8 Tf [(39 8.6 \(25-51\))] TJ ET 0.267 0.267 0.267 rg 424.258 315.817 156.617 0.750 re f 424.258 299.935 0.750 16.631 re f 580.125 299.935 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 305.962 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 299.935 210.174 0.750 re f 26.625 284.054 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 290.080 Td /F1 9.8 Tf [(AO psychiatric)] TJ ET 0.267 0.267 0.267 rg 236.049 299.935 188.959 0.750 re f 236.049 284.054 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 290.080 Td /F1 9.8 Tf [(38 20.9 \(29-50\)a)] TJ ET 0.267 0.267 0.267 rg 424.258 299.935 156.617 0.750 re f 424.258 284.054 0.750 16.631 re f 580.125 284.054 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 290.080 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 284.054 210.174 0.750 re f 26.625 268.173 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 274.199 Td /F1 9.8 Tf [(CAG expanded)] TJ ET 0.267 0.267 0.267 rg 236.049 284.054 188.959 0.750 re f 236.049 268.173 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 274.199 Td /F1 9.8 Tf [(45 2.9 \(42-51\))] TJ ET 0.267 0.267 0.267 rg 424.258 284.054 156.617 0.750 re f 424.258 268.173 0.750 16.631 re f 580.125 268.173 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 274.199 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 268.173 210.174 0.750 re f 26.625 252.292 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 258.318 Td /F1 9.8 Tf [(Disease burden score)] TJ ET 0.267 0.267 0.267 rg 236.049 268.173 188.959 0.750 re f 236.049 252.292 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 258.318 Td /F1 9.8 Tf [(386.59 66.06 \(273-483\))] TJ ET 0.267 0.267 0.267 rg 424.258 268.173 156.617 0.750 re f 424.258 252.292 0.750 16.631 re f 580.125 252.292 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 258.318 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 252.292 210.174 0.750 re f 26.625 236.410 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 242.437 Td /F1 9.8 Tf [(Disease duration [yr])] TJ ET 0.267 0.267 0.267 rg 236.049 252.292 188.959 0.750 re f 236.049 236.410 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 242.437 Td /F1 9.8 Tf [(4.2 2.5 \(0.1-9\))] TJ ET 0.267 0.267 0.267 rg 424.258 252.292 156.617 0.750 re f 424.258 236.410 0.750 16.631 re f 580.125 236.410 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 242.437 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 236.410 210.174 0.750 re f 26.625 235.660 0.750 1.500 re f 236.049 236.410 188.959 0.750 re f 236.049 235.660 0.750 1.500 re f 424.258 236.410 156.617 0.750 re f 424.258 235.660 0.750 1.500 re f 580.125 235.660 0.750 1.500 re f 26.625 235.660 210.174 0.750 re f 26.625 219.779 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 225.805 Td /F1 9.8 Tf [(UHDRS MS)] TJ ET 0.267 0.267 0.267 rg 236.049 235.660 188.959 0.750 re f 236.049 219.779 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 225.805 Td /F1 9.8 Tf [(30.8 18.7 \(5-72\))] TJ ET 0.267 0.267 0.267 rg 424.258 235.660 156.617 0.750 re f 424.258 219.779 0.750 16.631 re f 580.125 219.779 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 225.805 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 219.779 210.174 0.750 re f 26.625 203.898 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 209.924 Td /F1 9.8 Tf [(UHDRS TFC)] TJ ET 0.267 0.267 0.267 rg 236.049 219.779 188.959 0.750 re f 236.049 203.898 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 209.924 Td /F1 9.8 Tf [(10.2 1.9 \(7-12\))] TJ ET 0.267 0.267 0.267 rg 424.258 219.779 156.617 0.750 re f 424.258 203.898 0.750 16.631 re f 580.125 203.898 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 209.924 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 203.898 210.174 0.750 re f 26.625 188.017 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 194.043 Td /F1 9.8 Tf [(UHDRS IS)] TJ ET 0.267 0.267 0.267 rg 236.049 203.898 188.959 0.750 re f 236.049 188.017 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 194.043 Td /F1 9.8 Tf [(81.8 9.8 \(70-100\))] TJ ET 0.267 0.267 0.267 rg 424.258 203.898 156.617 0.750 re f 424.258 188.017 0.750 16.631 re f 580.125 188.017 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 194.043 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 188.017 210.174 0.750 re f 26.625 172.135 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 178.162 Td /F1 9.8 Tf [(UHDRS CS)] TJ ET 0.267 0.267 0.267 rg 236.049 188.017 188.959 0.750 re f 236.049 172.135 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 178.162 Td /F1 9.8 Tf [(195.1 79.0 \(98-346\))] TJ ET 0.267 0.267 0.267 rg 424.258 188.017 156.617 0.750 re f 424.258 172.135 0.750 16.631 re f 580.125 172.135 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 178.162 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 172.135 210.174 0.750 re f 26.625 156.254 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 162.280 Td /F1 9.8 Tf [(Verbal fluency)] TJ ET 0.267 0.267 0.267 rg 236.049 172.135 188.959 0.750 re f 236.049 156.254 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 162.280 Td /F1 9.8 Tf [(22.5 18.2 \(4-69\))] TJ ET 0.267 0.267 0.267 rg 424.258 172.135 156.617 0.750 re f 424.258 156.254 0.750 16.631 re f 580.125 156.254 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 162.280 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 156.254 210.174 0.750 re f 26.625 140.373 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 146.399 Td /F1 9.8 Tf [(SDMT)] TJ ET 0.267 0.267 0.267 rg 236.049 156.254 188.959 0.750 re f 236.049 140.373 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 146.399 Td /F1 9.8 Tf [(27.2 10.6 \(16-44\))] TJ ET 0.267 0.267 0.267 rg 424.258 156.254 156.617 0.750 re f 424.258 140.373 0.750 16.631 re f 580.125 140.373 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 146.399 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 140.373 210.174 0.750 re f 26.625 124.492 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 130.518 Td /F1 9.8 Tf [(Stroop color)] TJ ET 0.267 0.267 0.267 rg 236.049 140.373 188.959 0.750 re f 236.049 124.492 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 130.518 Td /F1 9.8 Tf [(47.1 17.1 \(26-74\))] TJ ET 0.267 0.267 0.267 rg 424.258 140.373 156.617 0.750 re f 424.258 124.492 0.750 16.631 re f 580.125 124.492 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 130.518 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 124.492 210.174 0.750 re f 26.625 108.610 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 114.637 Td /F1 9.8 Tf [(Stroop word)] TJ ET 0.267 0.267 0.267 rg 236.049 124.492 188.959 0.750 re f 236.049 108.610 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 114.637 Td /F1 9.8 Tf [(68.1 22.8 \(32-100\))] TJ ET 0.267 0.267 0.267 rg 424.258 124.492 156.617 0.750 re f 424.258 108.610 0.750 16.631 re f 580.125 108.610 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 114.637 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 108.610 210.174 0.750 re f 26.625 92.729 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 98.755 Td /F1 9.8 Tf [(Stroop interference)] TJ ET 0.267 0.267 0.267 rg 236.049 108.610 188.959 0.750 re f 236.049 92.729 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 98.755 Td /F1 9.8 Tf [(29.5 16.1 \(10-59\))] TJ ET 0.267 0.267 0.267 rg 424.258 108.610 156.617 0.750 re f 424.258 92.729 0.750 16.631 re f 580.125 92.729 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 98.755 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 92.729 210.174 0.750 re f 26.625 76.848 210.174 0.750 re f 26.625 76.848 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 82.874 Td /F1 9.8 Tf [(Hamilton)] TJ ET 0.267 0.267 0.267 rg 236.049 92.729 188.959 0.750 re f 236.049 76.848 188.959 0.750 re f 236.049 76.848 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 82.874 Td /F1 9.8 Tf [(12.8 10.0 \(1-26\))] TJ ET 0.267 0.267 0.267 rg 424.258 92.729 156.617 0.750 re f 424.258 76.848 156.617 0.750 re f 424.258 76.848 0.750 16.631 re f 580.125 76.848 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 82.874 Td /F1 9.8 Tf [()] TJ ET Q q 15.000 76.473 577.500 700.527 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(emptying in PD, some of them with a rate of 100% of PD patients. )] TJ ET 0.267 0.267 0.267 rg BT 312.383 767.476 Td /F1 9.8 Tf [([16])] TJ ET BT 328.646 767.476 Td /F1 9.8 Tf [([17])] TJ ET BT 344.909 767.476 Td /F1 9.8 Tf [([18])] TJ ET BT 361.172 767.476 Td /F1 9.8 Tf [([19])] TJ ET BT 377.435 767.476 Td /F1 9.8 Tf [([20])] TJ ET BT 393.698 767.476 Td /F1 9.8 Tf [([21])] TJ ET 0.271 0.267 0.267 rg BT 409.961 767.476 Td /F1 9.8 Tf [( One study describes a 60% delay in )] TJ ET BT 26.250 755.571 Td /F1 9.8 Tf [(gastric half emptying time in the PD patient group after a solid test meal using the non-invasive )] TJ ET BT 437.017 759.460 Td /F1 8.7 Tf [(13)] TJ ET BT 446.655 755.571 Td /F1 9.8 Tf [( C-sodium octanoate breath )] TJ ET BT 26.250 743.667 Td /F1 9.8 Tf [(test for evaluation of gastric emptying. )] TJ ET 0.267 0.267 0.267 rg BT 193.160 743.667 Td /F1 9.8 Tf [([17])] TJ ET 0.271 0.267 0.267 rg BT 209.423 743.667 Td /F1 9.8 Tf [( Neuropathological findings suggest enteric dysfunction to be one of the initial )] TJ ET BT 26.250 731.762 Td /F1 9.8 Tf [(pathophysiological events in PD. )] TJ ET 0.267 0.267 0.267 rg BT 169.858 731.762 Td /F1 9.8 Tf [([16])] TJ ET BT 186.121 731.762 Td /F1 9.8 Tf [([22])] TJ ET 0.271 0.267 0.267 rg BT 202.384 731.762 Td /F1 9.8 Tf [( Central and enteric nervous system involvement in PD is discussed as being a )] TJ ET BT 26.250 719.857 Td /F1 9.8 Tf [(pathophysiologic basis for this dysfunction. )] TJ ET 0.267 0.267 0.267 rg BT 213.752 719.857 Td /F1 9.8 Tf [([15])] TJ ET 0.271 0.267 0.267 rg BT 26.250 700.452 Td /F1 9.8 Tf [(Autonomic nervous dysfunction was found to be present in HD, too. )] TJ ET 0.267 0.267 0.267 rg BT 319.978 700.452 Td /F1 9.8 Tf [([23])] TJ ET 0.271 0.267 0.267 rg BT 336.241 700.452 Td /F1 9.8 Tf [( Thus, the aim of the current study was to investigate )] TJ ET BT 26.250 688.548 Td /F1 9.8 Tf [(gastric emptying in early HD patients without medication as a possible additional reason for weight loss by using the well-)] TJ ET BT 26.250 676.643 Td /F1 9.8 Tf [(established )] TJ ET BT 78.276 680.531 Td /F1 8.7 Tf [(13)] TJ ET BT 87.913 676.643 Td /F1 9.8 Tf [( C-octanoate breath test. )] TJ ET 0.267 0.267 0.267 rg BT 197.932 676.643 Td /F1 9.8 Tf [([16])] TJ ET BT 214.195 676.643 Td /F1 9.8 Tf [([17])] TJ ET BT 230.458 676.643 Td /F1 9.8 Tf [([18])] TJ ET BT 246.721 676.643 Td /F1 9.8 Tf [([19])] TJ ET BT 262.984 676.643 Td /F1 9.8 Tf [([20])] TJ ET BT 279.247 676.643 Td /F1 9.8 Tf [([21])] TJ ET BT 295.510 676.643 Td /F1 9.8 Tf [([24])] TJ ET 0.271 0.267 0.267 rg BT 26.250 640.040 Td /F4 12.0 Tf [(Methods)] TJ ET BT 26.250 620.086 Td /F4 9.8 Tf [(Participants)] TJ ET BT 26.250 600.681 Td /F1 9.8 Tf [(11 manifest HD patients with genetically confirmed diagnosis and without any medication in at clinically early stages of the )] TJ ET BT 26.250 588.777 Td /F1 9.8 Tf [(disease \(Shoulson stage I/II\) and 11 controls were recruited from the HD centre Bochum, Germany. )] TJ ET 0.267 0.267 0.267 rg BT 458.136 588.777 Td /F1 9.8 Tf [([25])] TJ ET 0.271 0.267 0.267 rg BT 474.399 588.777 Td /F1 9.8 Tf [( Participants with )] TJ ET BT 26.250 576.872 Td /F1 9.8 Tf [(known concurrent gastrointestinal diseases or previous operations of the gastro-intestinal tract were excluded, as well as )] TJ ET BT 26.250 564.967 Td /F1 9.8 Tf [(patients with other severe diseases, diabetes mellitus, severe respiratory dysfunction, and malignancies. Also participants with )] TJ ET BT 26.250 553.062 Td /F1 9.8 Tf [(concurrent liver diseases or excessive alcohol consumption \(50 g/d of ethanol\) were excluded. All participants had lab )] TJ ET BT 26.250 541.158 Td /F1 9.8 Tf [(parameters for ALT, AST, LDH, cholesterol and triglycerides within the normal range, as well as normal findings for the )] TJ ET BT 26.250 529.253 Td /F1 9.8 Tf [(ultrasonography of the upper abdomen. Pregnant and breast-feeding women were excluded. All HD participants underwent )] TJ ET BT 26.250 517.348 Td /F1 9.8 Tf [(neurological investigation and were scored according to the UHDRS items motor scale \(MS\), total functional capacity \(TFC\) )] TJ ET BT 26.250 505.443 Td /F1 9.8 Tf [(independence scale \(IS\) and the items verbal fluency test, symbol digit test, interference test, color naming and color reading )] TJ ET BT 26.250 493.539 Td /F1 9.8 Tf [(which were summarized as cognitive score \(CS\). )] TJ ET 0.267 0.267 0.267 rg BT 246.210 493.539 Td /F1 9.8 Tf [([26])] TJ ET 0.271 0.267 0.267 rg BT 262.473 493.539 Td /F1 9.8 Tf [( Fine motor skills were additionally measured by simple \(tapping; higher )] TJ ET BT 26.250 481.634 Td /F1 9.8 Tf [(motor impairment leads to lower test results\) and complex \(pegboard; higher motor impairment leads to higher test results\) )] TJ ET BT 26.250 469.729 Td /F1 9.8 Tf [(instrumental movement tests. )] TJ ET 0.267 0.267 0.267 rg BT 156.296 469.729 Td /F1 9.8 Tf [([27])] TJ ET BT 172.559 469.729 Td /F1 9.8 Tf [([28])] TJ ET BT 188.822 469.729 Td /F1 9.8 Tf [([29])] TJ ET BT 205.085 469.729 Td /F1 9.8 Tf [([30])] TJ ET 0.271 0.267 0.267 rg BT 221.348 469.729 Td /F1 9.8 Tf [( The severity of depressive symptoms was assessed by using the Becks )] TJ ET BT 26.250 457.824 Td /F1 9.8 Tf [(depression inventory \(BDI\) and Hamilton depression rating scale. )] TJ ET 0.267 0.267 0.267 rg BT 310.190 457.824 Td /F1 9.8 Tf [([31])] TJ ET BT 326.452 457.824 Td /F1 9.8 Tf [([32])] TJ ET 0.271 0.267 0.267 rg BT 342.715 457.824 Td /F1 9.8 Tf [( Clinical characteristics of all HD patients are given in )] TJ ET BT 26.250 445.920 Td /F1 9.8 Tf [(table 1. In addition we calculated the disease burden score \(DBS = [CAG repeat 35.5] x age\) for each subject. )] TJ ET 0.267 0.267 0.267 rg BT 510.484 445.920 Td /F1 9.8 Tf [([33])] TJ ET 0.271 0.267 0.267 rg BT 526.747 445.920 Td /F1 9.8 Tf [( The study )] TJ ET BT 26.250 434.015 Td /F1 9.8 Tf [(was approved by the ethic committee of the Ruhr-University Bochum, Germany \(registration-number 2719\). Participants gave )] TJ ET BT 26.250 422.110 Td /F1 9.8 Tf [(informed written consent according to GCP/ICH.)] TJ ET 1.000 1.000 1.000 rg 26.250 76.473 555.000 335.756 re f 0.267 0.267 0.267 rg 26.625 411.104 210.174 0.750 re f 26.625 395.223 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 401.249 Td /F4 9.8 Tf [(Parameter)] TJ ET 0.267 0.267 0.267 rg 236.049 411.104 188.959 0.750 re f 236.049 395.223 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 401.249 Td /F4 9.8 Tf [(HD Participants)] TJ ET 0.267 0.267 0.267 rg 424.258 411.104 156.617 0.750 re f 424.258 395.223 0.750 16.631 re f 580.125 395.223 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 401.249 Td /F4 9.8 Tf [(Controls)] TJ ET 0.267 0.267 0.267 rg 26.625 395.223 210.174 0.750 re f 26.625 379.342 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 385.368 Td /F1 9.8 Tf [(Age [yr])] TJ ET 0.267 0.267 0.267 rg 236.049 395.223 188.959 0.750 re f 236.049 379.342 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 385.368 Td /F1 9.8 Tf [(42.4 8.4 \(29-57\))] TJ ET 0.267 0.267 0.267 rg 424.258 395.223 156.617 0.750 re f 424.258 379.342 0.750 16.631 re f 580.125 379.342 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 385.368 Td /F1 9.8 Tf [(48.9 9.6 \(38-69\))] TJ ET 0.267 0.267 0.267 rg 26.625 379.342 210.174 0.750 re f 26.625 363.461 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 369.487 Td /F1 9.8 Tf [(Gender \(male/female\))] TJ ET 0.267 0.267 0.267 rg 236.049 379.342 188.959 0.750 re f 236.049 363.461 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 369.487 Td /F1 9.8 Tf [(3/8)] TJ ET 0.267 0.267 0.267 rg 424.258 379.342 156.617 0.750 re f 424.258 363.461 0.750 16.631 re f 580.125 363.461 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 369.487 Td /F1 9.8 Tf [(3/8)] TJ ET 0.267 0.267 0.267 rg 26.625 363.461 210.174 0.750 re f 26.625 347.579 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 353.606 Td /F1 9.8 Tf [(BMI)] TJ ET 0.267 0.267 0.267 rg 236.049 363.461 188.959 0.750 re f 236.049 347.579 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 353.606 Td /F1 9.8 Tf [(22.5 3.5 \(16-30\))] TJ ET 0.267 0.267 0.267 rg 424.258 363.461 156.617 0.750 re f 424.258 347.579 0.750 16.631 re f 580.125 347.579 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 353.606 Td /F1 9.8 Tf [(26.5 6.4 \(19-42\))] TJ ET 0.267 0.267 0.267 rg 26.625 347.579 210.174 0.750 re f 26.625 331.698 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 337.724 Td /F1 9.8 Tf [(Weight [kg])] TJ ET 0.267 0.267 0.267 rg 236.049 347.579 188.959 0.750 re f 236.049 331.698 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 337.724 Td /F1 9.8 Tf [(63.6 14.1 \(42-85\))] TJ ET 0.267 0.267 0.267 rg 424.258 347.579 156.617 0.750 re f 424.258 331.698 0.750 16.631 re f 580.125 331.698 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 337.724 Td /F1 9.8 Tf [(84.5 22.5 \(54-128\))] TJ ET 0.267 0.267 0.267 rg 26.625 331.698 210.174 0.750 re f 26.625 315.817 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 321.843 Td /F1 9.8 Tf [(Height [cm])] TJ ET 0.267 0.267 0.267 rg 236.049 331.698 188.959 0.750 re f 236.049 315.817 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 321.843 Td /F1 9.8 Tf [(166.8 10.1 \(153-183\))] TJ ET 0.267 0.267 0.267 rg 424.258 331.698 156.617 0.750 re f 424.258 315.817 0.750 16.631 re f 580.125 315.817 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 321.843 Td /F1 9.8 Tf [(178.2 9.4 \(164-190\))] TJ ET 0.267 0.267 0.267 rg 26.625 315.817 210.174 0.750 re f 26.625 299.935 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 305.962 Td /F1 9.8 Tf [(AO motor)] TJ ET 0.267 0.267 0.267 rg 236.049 315.817 188.959 0.750 re f 236.049 299.935 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 305.962 Td /F1 9.8 Tf [(39 8.6 \(25-51\))] TJ ET 0.267 0.267 0.267 rg 424.258 315.817 156.617 0.750 re f 424.258 299.935 0.750 16.631 re f 580.125 299.935 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 305.962 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 299.935 210.174 0.750 re f 26.625 284.054 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 290.080 Td /F1 9.8 Tf [(AO psychiatric)] TJ ET 0.267 0.267 0.267 rg 236.049 299.935 188.959 0.750 re f 236.049 284.054 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 290.080 Td /F1 9.8 Tf [(38 20.9 \(29-50\)a)] TJ ET 0.267 0.267 0.267 rg 424.258 299.935 156.617 0.750 re f 424.258 284.054 0.750 16.631 re f 580.125 284.054 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 290.080 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 284.054 210.174 0.750 re f 26.625 268.173 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 274.199 Td /F1 9.8 Tf [(CAG expanded)] TJ ET 0.267 0.267 0.267 rg 236.049 284.054 188.959 0.750 re f 236.049 268.173 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 274.199 Td /F1 9.8 Tf [(45 2.9 \(42-51\))] TJ ET 0.267 0.267 0.267 rg 424.258 284.054 156.617 0.750 re f 424.258 268.173 0.750 16.631 re f 580.125 268.173 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 274.199 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 268.173 210.174 0.750 re f 26.625 252.292 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 258.318 Td /F1 9.8 Tf [(Disease burden score)] TJ ET 0.267 0.267 0.267 rg 236.049 268.173 188.959 0.750 re f 236.049 252.292 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 258.318 Td /F1 9.8 Tf [(386.59 66.06 \(273-483\))] TJ ET 0.267 0.267 0.267 rg 424.258 268.173 156.617 0.750 re f 424.258 252.292 0.750 16.631 re f 580.125 252.292 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 258.318 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 252.292 210.174 0.750 re f 26.625 236.410 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 242.437 Td /F1 9.8 Tf [(Disease duration [yr])] TJ ET 0.267 0.267 0.267 rg 236.049 252.292 188.959 0.750 re f 236.049 236.410 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 242.437 Td /F1 9.8 Tf [(4.2 2.5 \(0.1-9\))] TJ ET 0.267 0.267 0.267 rg 424.258 252.292 156.617 0.750 re f 424.258 236.410 0.750 16.631 re f 580.125 236.410 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 242.437 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 236.410 210.174 0.750 re f 26.625 235.660 0.750 1.500 re f 236.049 236.410 188.959 0.750 re f 236.049 235.660 0.750 1.500 re f 424.258 236.410 156.617 0.750 re f 424.258 235.660 0.750 1.500 re f 580.125 235.660 0.750 1.500 re f 26.625 235.660 210.174 0.750 re f 26.625 219.779 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 225.805 Td /F1 9.8 Tf [(UHDRS MS)] TJ ET 0.267 0.267 0.267 rg 236.049 235.660 188.959 0.750 re f 236.049 219.779 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 225.805 Td /F1 9.8 Tf [(30.8 18.7 \(5-72\))] TJ ET 0.267 0.267 0.267 rg 424.258 235.660 156.617 0.750 re f 424.258 219.779 0.750 16.631 re f 580.125 219.779 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 225.805 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 219.779 210.174 0.750 re f 26.625 203.898 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 209.924 Td /F1 9.8 Tf [(UHDRS TFC)] TJ ET 0.267 0.267 0.267 rg 236.049 219.779 188.959 0.750 re f 236.049 203.898 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 209.924 Td /F1 9.8 Tf [(10.2 1.9 \(7-12\))] TJ ET 0.267 0.267 0.267 rg 424.258 219.779 156.617 0.750 re f 424.258 203.898 0.750 16.631 re f 580.125 203.898 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 209.924 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 203.898 210.174 0.750 re f 26.625 188.017 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 194.043 Td /F1 9.8 Tf [(UHDRS IS)] TJ ET 0.267 0.267 0.267 rg 236.049 203.898 188.959 0.750 re f 236.049 188.017 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 194.043 Td /F1 9.8 Tf [(81.8 9.8 \(70-100\))] TJ ET 0.267 0.267 0.267 rg 424.258 203.898 156.617 0.750 re f 424.258 188.017 0.750 16.631 re f 580.125 188.017 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 194.043 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 188.017 210.174 0.750 re f 26.625 172.135 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 178.162 Td /F1 9.8 Tf [(UHDRS CS)] TJ ET 0.267 0.267 0.267 rg 236.049 188.017 188.959 0.750 re f 236.049 172.135 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 178.162 Td /F1 9.8 Tf [(195.1 79.0 \(98-346\))] TJ ET 0.267 0.267 0.267 rg 424.258 188.017 156.617 0.750 re f 424.258 172.135 0.750 16.631 re f 580.125 172.135 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 178.162 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 172.135 210.174 0.750 re f 26.625 156.254 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 162.280 Td /F1 9.8 Tf [(Verbal fluency)] TJ ET 0.267 0.267 0.267 rg 236.049 172.135 188.959 0.750 re f 236.049 156.254 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 162.280 Td /F1 9.8 Tf [(22.5 18.2 \(4-69\))] TJ ET 0.267 0.267 0.267 rg 424.258 172.135 156.617 0.750 re f 424.258 156.254 0.750 16.631 re f 580.125 156.254 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 162.280 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 156.254 210.174 0.750 re f 26.625 140.373 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 146.399 Td /F1 9.8 Tf [(SDMT)] TJ ET 0.267 0.267 0.267 rg 236.049 156.254 188.959 0.750 re f 236.049 140.373 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 146.399 Td /F1 9.8 Tf [(27.2 10.6 \(16-44\))] TJ ET 0.267 0.267 0.267 rg 424.258 156.254 156.617 0.750 re f 424.258 140.373 0.750 16.631 re f 580.125 140.373 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 146.399 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 140.373 210.174 0.750 re f 26.625 124.492 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 130.518 Td /F1 9.8 Tf [(Stroop color)] TJ ET 0.267 0.267 0.267 rg 236.049 140.373 188.959 0.750 re f 236.049 124.492 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 130.518 Td /F1 9.8 Tf [(47.1 17.1 \(26-74\))] TJ ET 0.267 0.267 0.267 rg 424.258 140.373 156.617 0.750 re f 424.258 124.492 0.750 16.631 re f 580.125 124.492 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 130.518 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 124.492 210.174 0.750 re f 26.625 108.610 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 114.637 Td /F1 9.8 Tf [(Stroop word)] TJ ET 0.267 0.267 0.267 rg 236.049 124.492 188.959 0.750 re f 236.049 108.610 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 114.637 Td /F1 9.8 Tf [(68.1 22.8 \(32-100\))] TJ ET 0.267 0.267 0.267 rg 424.258 124.492 156.617 0.750 re f 424.258 108.610 0.750 16.631 re f 580.125 108.610 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 114.637 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 108.610 210.174 0.750 re f 26.625 92.729 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 98.755 Td /F1 9.8 Tf [(Stroop interference)] TJ ET 0.267 0.267 0.267 rg 236.049 108.610 188.959 0.750 re f 236.049 92.729 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 98.755 Td /F1 9.8 Tf [(29.5 16.1 \(10-59\))] TJ ET 0.267 0.267 0.267 rg 424.258 108.610 156.617 0.750 re f 424.258 92.729 0.750 16.631 re f 580.125 92.729 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 98.755 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 92.729 210.174 0.750 re f 26.625 76.848 210.174 0.750 re f 26.625 76.848 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 82.874 Td /F1 9.8 Tf [(Hamilton)] TJ ET 0.267 0.267 0.267 rg 236.049 92.729 188.959 0.750 re f 236.049 76.848 188.959 0.750 re f 236.049 76.848 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 82.874 Td /F1 9.8 Tf [(12.8 10.0 \(1-26\))] TJ ET 0.267 0.267 0.267 rg 424.258 92.729 156.617 0.750 re f 424.258 76.848 156.617 0.750 re f 424.258 76.848 0.750 16.631 re f 580.125 76.848 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 82.874 Td /F1 9.8 Tf [()] TJ ET Q q 15.000 76.473 577.500 700.527 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(emptying in PD, some of them with a rate of 100% of PD patients. )] TJ ET 0.267 0.267 0.267 rg BT 312.383 767.476 Td /F1 9.8 Tf [([16])] TJ ET BT 328.646 767.476 Td /F1 9.8 Tf [([17])] TJ ET BT 344.909 767.476 Td /F1 9.8 Tf [([18])] TJ ET BT 361.172 767.476 Td /F1 9.8 Tf [([19])] TJ ET BT 377.435 767.476 Td /F1 9.8 Tf [([20])] TJ ET BT 393.698 767.476 Td /F1 9.8 Tf [([21])] TJ ET 0.271 0.267 0.267 rg BT 409.961 767.476 Td /F1 9.8 Tf [( One study describes a 60% delay in )] TJ ET BT 26.250 755.571 Td /F1 9.8 Tf [(gastric half emptying time in the PD patient group after a solid test meal using the non-invasive )] TJ ET BT 437.017 759.460 Td /F1 8.7 Tf [(13)] TJ ET BT 446.655 755.571 Td /F1 9.8 Tf [( C-sodium octanoate breath )] TJ ET BT 26.250 743.667 Td /F1 9.8 Tf [(test for evaluation of gastric emptying. )] TJ ET 0.267 0.267 0.267 rg BT 193.160 743.667 Td /F1 9.8 Tf [([17])] TJ ET 0.271 0.267 0.267 rg BT 209.423 743.667 Td /F1 9.8 Tf [( Neuropathological findings suggest enteric dysfunction to be one of the initial )] TJ ET BT 26.250 731.762 Td /F1 9.8 Tf [(pathophysiological events in PD. )] TJ ET 0.267 0.267 0.267 rg BT 169.858 731.762 Td /F1 9.8 Tf [([16])] TJ ET BT 186.121 731.762 Td /F1 9.8 Tf [([22])] TJ ET 0.271 0.267 0.267 rg BT 202.384 731.762 Td /F1 9.8 Tf [( Central and enteric nervous system involvement in PD is discussed as being a )] TJ ET BT 26.250 719.857 Td /F1 9.8 Tf [(pathophysiologic basis for this dysfunction. )] TJ ET 0.267 0.267 0.267 rg BT 213.752 719.857 Td /F1 9.8 Tf [([15])] TJ ET 0.271 0.267 0.267 rg BT 26.250 700.452 Td /F1 9.8 Tf [(Autonomic nervous dysfunction was found to be present in HD, too. )] TJ ET 0.267 0.267 0.267 rg BT 319.978 700.452 Td /F1 9.8 Tf [([23])] TJ ET 0.271 0.267 0.267 rg BT 336.241 700.452 Td /F1 9.8 Tf [( Thus, the aim of the current study was to investigate )] TJ ET BT 26.250 688.548 Td /F1 9.8 Tf [(gastric emptying in early HD patients without medication as a possible additional reason for weight loss by using the well-)] TJ ET BT 26.250 676.643 Td /F1 9.8 Tf [(established )] TJ ET BT 78.276 680.531 Td /F1 8.7 Tf [(13)] TJ ET BT 87.913 676.643 Td /F1 9.8 Tf [( C-octanoate breath test. )] TJ ET 0.267 0.267 0.267 rg BT 197.932 676.643 Td /F1 9.8 Tf [([16])] TJ ET BT 214.195 676.643 Td /F1 9.8 Tf [([17])] TJ ET BT 230.458 676.643 Td /F1 9.8 Tf [([18])] TJ ET BT 246.721 676.643 Td /F1 9.8 Tf [([19])] TJ ET BT 262.984 676.643 Td /F1 9.8 Tf [([20])] TJ ET BT 279.247 676.643 Td /F1 9.8 Tf [([21])] TJ ET BT 295.510 676.643 Td /F1 9.8 Tf [([24])] TJ ET 0.271 0.267 0.267 rg BT 26.250 640.040 Td /F4 12.0 Tf [(Methods)] TJ ET BT 26.250 620.086 Td /F4 9.8 Tf [(Participants)] TJ ET BT 26.250 600.681 Td /F1 9.8 Tf [(11 manifest HD patients with genetically confirmed diagnosis and without any medication in at clinically early stages of the )] TJ ET BT 26.250 588.777 Td /F1 9.8 Tf [(disease \(Shoulson stage I/II\) and 11 controls were recruited from the HD centre Bochum, Germany. )] TJ ET 0.267 0.267 0.267 rg BT 458.136 588.777 Td /F1 9.8 Tf [([25])] TJ ET 0.271 0.267 0.267 rg BT 474.399 588.777 Td /F1 9.8 Tf [( Participants with )] TJ ET BT 26.250 576.872 Td /F1 9.8 Tf [(known concurrent gastrointestinal diseases or previous operations of the gastro-intestinal tract were excluded, as well as )] TJ ET BT 26.250 564.967 Td /F1 9.8 Tf [(patients with other severe diseases, diabetes mellitus, severe respiratory dysfunction, and malignancies. Also participants with )] TJ ET BT 26.250 553.062 Td /F1 9.8 Tf [(concurrent liver diseases or excessive alcohol consumption \(50 g/d of ethanol\) were excluded. All participants had lab )] TJ ET BT 26.250 541.158 Td /F1 9.8 Tf [(parameters for ALT, AST, LDH, cholesterol and triglycerides within the normal range, as well as normal findings for the )] TJ ET BT 26.250 529.253 Td /F1 9.8 Tf [(ultrasonography of the upper abdomen. Pregnant and breast-feeding women were excluded. All HD participants underwent )] TJ ET BT 26.250 517.348 Td /F1 9.8 Tf [(neurological investigation and were scored according to the UHDRS items motor scale \(MS\), total functional capacity \(TFC\) )] TJ ET BT 26.250 505.443 Td /F1 9.8 Tf [(independence scale \(IS\) and the items verbal fluency test, symbol digit test, interference test, color naming and color reading )] TJ ET BT 26.250 493.539 Td /F1 9.8 Tf [(which were summarized as cognitive score \(CS\). )] TJ ET 0.267 0.267 0.267 rg BT 246.210 493.539 Td /F1 9.8 Tf [([26])] TJ ET 0.271 0.267 0.267 rg BT 262.473 493.539 Td /F1 9.8 Tf [( Fine motor skills were additionally measured by simple \(tapping; higher )] TJ ET BT 26.250 481.634 Td /F1 9.8 Tf [(motor impairment leads to lower test results\) and complex \(pegboard; higher motor impairment leads to higher test results\) )] TJ ET BT 26.250 469.729 Td /F1 9.8 Tf [(instrumental movement tests. )] TJ ET 0.267 0.267 0.267 rg BT 156.296 469.729 Td /F1 9.8 Tf [([27])] TJ ET BT 172.559 469.729 Td /F1 9.8 Tf [([28])] TJ ET BT 188.822 469.729 Td /F1 9.8 Tf [([29])] TJ ET BT 205.085 469.729 Td /F1 9.8 Tf [([30])] TJ ET 0.271 0.267 0.267 rg BT 221.348 469.729 Td /F1 9.8 Tf [( The severity of depressive symptoms was assessed by using the Becks )] TJ ET BT 26.250 457.824 Td /F1 9.8 Tf [(depression inventory \(BDI\) and Hamilton depression rating scale. )] TJ ET 0.267 0.267 0.267 rg BT 310.190 457.824 Td /F1 9.8 Tf [([31])] TJ ET BT 326.452 457.824 Td /F1 9.8 Tf [([32])] TJ ET 0.271 0.267 0.267 rg BT 342.715 457.824 Td /F1 9.8 Tf [( Clinical characteristics of all HD patients are given in )] TJ ET BT 26.250 445.920 Td /F1 9.8 Tf [(table 1. In addition we calculated the disease burden score \(DBS = [CAG repeat 35.5] x age\) for each subject. )] TJ ET 0.267 0.267 0.267 rg BT 510.484 445.920 Td /F1 9.8 Tf [([33])] TJ ET 0.271 0.267 0.267 rg BT 526.747 445.920 Td /F1 9.8 Tf [( The study )] TJ ET BT 26.250 434.015 Td /F1 9.8 Tf [(was approved by the ethic committee of the Ruhr-University Bochum, Germany \(registration-number 2719\). Participants gave )] TJ ET BT 26.250 422.110 Td /F1 9.8 Tf [(informed written consent according to GCP/ICH.)] TJ ET 1.000 1.000 1.000 rg 26.250 76.473 555.000 335.756 re f 0.267 0.267 0.267 rg 26.625 411.104 210.174 0.750 re f 26.625 395.223 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 401.249 Td /F4 9.8 Tf [(Parameter)] TJ ET 0.267 0.267 0.267 rg 236.049 411.104 188.959 0.750 re f 236.049 395.223 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 401.249 Td /F4 9.8 Tf [(HD Participants)] TJ ET 0.267 0.267 0.267 rg 424.258 411.104 156.617 0.750 re f 424.258 395.223 0.750 16.631 re f 580.125 395.223 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 401.249 Td /F4 9.8 Tf [(Controls)] TJ ET 0.267 0.267 0.267 rg 26.625 395.223 210.174 0.750 re f 26.625 379.342 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 385.368 Td /F1 9.8 Tf [(Age [yr])] TJ ET 0.267 0.267 0.267 rg 236.049 395.223 188.959 0.750 re f 236.049 379.342 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 385.368 Td /F1 9.8 Tf [(42.4 8.4 \(29-57\))] TJ ET 0.267 0.267 0.267 rg 424.258 395.223 156.617 0.750 re f 424.258 379.342 0.750 16.631 re f 580.125 379.342 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 385.368 Td /F1 9.8 Tf [(48.9 9.6 \(38-69\))] TJ ET 0.267 0.267 0.267 rg 26.625 379.342 210.174 0.750 re f 26.625 363.461 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 369.487 Td /F1 9.8 Tf [(Gender \(male/female\))] TJ ET 0.267 0.267 0.267 rg 236.049 379.342 188.959 0.750 re f 236.049 363.461 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 369.487 Td /F1 9.8 Tf [(3/8)] TJ ET 0.267 0.267 0.267 rg 424.258 379.342 156.617 0.750 re f 424.258 363.461 0.750 16.631 re f 580.125 363.461 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 369.487 Td /F1 9.8 Tf [(3/8)] TJ ET 0.267 0.267 0.267 rg 26.625 363.461 210.174 0.750 re f 26.625 347.579 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 353.606 Td /F1 9.8 Tf [(BMI)] TJ ET 0.267 0.267 0.267 rg 236.049 363.461 188.959 0.750 re f 236.049 347.579 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 353.606 Td /F1 9.8 Tf [(22.5 3.5 \(16-30\))] TJ ET 0.267 0.267 0.267 rg 424.258 363.461 156.617 0.750 re f 424.258 347.579 0.750 16.631 re f 580.125 347.579 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 353.606 Td /F1 9.8 Tf [(26.5 6.4 \(19-42\))] TJ ET 0.267 0.267 0.267 rg 26.625 347.579 210.174 0.750 re f 26.625 331.698 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 337.724 Td /F1 9.8 Tf [(Weight [kg])] TJ ET 0.267 0.267 0.267 rg 236.049 347.579 188.959 0.750 re f 236.049 331.698 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 337.724 Td /F1 9.8 Tf [(63.6 14.1 \(42-85\))] TJ ET 0.267 0.267 0.267 rg 424.258 347.579 156.617 0.750 re f 424.258 331.698 0.750 16.631 re f 580.125 331.698 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 337.724 Td /F1 9.8 Tf [(84.5 22.5 \(54-128\))] TJ ET 0.267 0.267 0.267 rg 26.625 331.698 210.174 0.750 re f 26.625 315.817 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 321.843 Td /F1 9.8 Tf [(Height [cm])] TJ ET 0.267 0.267 0.267 rg 236.049 331.698 188.959 0.750 re f 236.049 315.817 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 321.843 Td /F1 9.8 Tf [(166.8 10.1 \(153-183\))] TJ ET 0.267 0.267 0.267 rg 424.258 331.698 156.617 0.750 re f 424.258 315.817 0.750 16.631 re f 580.125 315.817 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 321.843 Td /F1 9.8 Tf [(178.2 9.4 \(164-190\))] TJ ET 0.267 0.267 0.267 rg 26.625 315.817 210.174 0.750 re f 26.625 299.935 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 305.962 Td /F1 9.8 Tf [(AO motor)] TJ ET 0.267 0.267 0.267 rg 236.049 315.817 188.959 0.750 re f 236.049 299.935 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 305.962 Td /F1 9.8 Tf [(39 8.6 \(25-51\))] TJ ET 0.267 0.267 0.267 rg 424.258 315.817 156.617 0.750 re f 424.258 299.935 0.750 16.631 re f 580.125 299.935 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 305.962 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 299.935 210.174 0.750 re f 26.625 284.054 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 290.080 Td /F1 9.8 Tf [(AO psychiatric)] TJ ET 0.267 0.267 0.267 rg 236.049 299.935 188.959 0.750 re f 236.049 284.054 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 290.080 Td /F1 9.8 Tf [(38 20.9 \(29-50\)a)] TJ ET 0.267 0.267 0.267 rg 424.258 299.935 156.617 0.750 re f 424.258 284.054 0.750 16.631 re f 580.125 284.054 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 290.080 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 284.054 210.174 0.750 re f 26.625 268.173 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 274.199 Td /F1 9.8 Tf [(CAG expanded)] TJ ET 0.267 0.267 0.267 rg 236.049 284.054 188.959 0.750 re f 236.049 268.173 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 274.199 Td /F1 9.8 Tf [(45 2.9 \(42-51\))] TJ ET 0.267 0.267 0.267 rg 424.258 284.054 156.617 0.750 re f 424.258 268.173 0.750 16.631 re f 580.125 268.173 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 274.199 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 268.173 210.174 0.750 re f 26.625 252.292 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 258.318 Td /F1 9.8 Tf [(Disease burden score)] TJ ET 0.267 0.267 0.267 rg 236.049 268.173 188.959 0.750 re f 236.049 252.292 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 258.318 Td /F1 9.8 Tf [(386.59 66.06 \(273-483\))] TJ ET 0.267 0.267 0.267 rg 424.258 268.173 156.617 0.750 re f 424.258 252.292 0.750 16.631 re f 580.125 252.292 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 258.318 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 252.292 210.174 0.750 re f 26.625 236.410 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 242.437 Td /F1 9.8 Tf [(Disease duration [yr])] TJ ET 0.267 0.267 0.267 rg 236.049 252.292 188.959 0.750 re f 236.049 236.410 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 242.437 Td /F1 9.8 Tf [(4.2 2.5 \(0.1-9\))] TJ ET 0.267 0.267 0.267 rg 424.258 252.292 156.617 0.750 re f 424.258 236.410 0.750 16.631 re f 580.125 236.410 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 242.437 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 236.410 210.174 0.750 re f 26.625 235.660 0.750 1.500 re f 236.049 236.410 188.959 0.750 re f 236.049 235.660 0.750 1.500 re f 424.258 236.410 156.617 0.750 re f 424.258 235.660 0.750 1.500 re f 580.125 235.660 0.750 1.500 re f 26.625 235.660 210.174 0.750 re f 26.625 219.779 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 225.805 Td /F1 9.8 Tf [(UHDRS MS)] TJ ET 0.267 0.267 0.267 rg 236.049 235.660 188.959 0.750 re f 236.049 219.779 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 225.805 Td /F1 9.8 Tf [(30.8 18.7 \(5-72\))] TJ ET 0.267 0.267 0.267 rg 424.258 235.660 156.617 0.750 re f 424.258 219.779 0.750 16.631 re f 580.125 219.779 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 225.805 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 219.779 210.174 0.750 re f 26.625 203.898 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 209.924 Td /F1 9.8 Tf [(UHDRS TFC)] TJ ET 0.267 0.267 0.267 rg 236.049 219.779 188.959 0.750 re f 236.049 203.898 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 209.924 Td /F1 9.8 Tf [(10.2 1.9 \(7-12\))] TJ ET 0.267 0.267 0.267 rg 424.258 219.779 156.617 0.750 re f 424.258 203.898 0.750 16.631 re f 580.125 203.898 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 209.924 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 203.898 210.174 0.750 re f 26.625 188.017 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 194.043 Td /F1 9.8 Tf [(UHDRS IS)] TJ ET 0.267 0.267 0.267 rg 236.049 203.898 188.959 0.750 re f 236.049 188.017 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 194.043 Td /F1 9.8 Tf [(81.8 9.8 \(70-100\))] TJ ET 0.267 0.267 0.267 rg 424.258 203.898 156.617 0.750 re f 424.258 188.017 0.750 16.631 re f 580.125 188.017 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 194.043 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 188.017 210.174 0.750 re f 26.625 172.135 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 178.162 Td /F1 9.8 Tf [(UHDRS CS)] TJ ET 0.267 0.267 0.267 rg 236.049 188.017 188.959 0.750 re f 236.049 172.135 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 178.162 Td /F1 9.8 Tf [(195.1 79.0 \(98-346\))] TJ ET 0.267 0.267 0.267 rg 424.258 188.017 156.617 0.750 re f 424.258 172.135 0.750 16.631 re f 580.125 172.135 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 178.162 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 172.135 210.174 0.750 re f 26.625 156.254 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 162.280 Td /F1 9.8 Tf [(Verbal fluency)] TJ ET 0.267 0.267 0.267 rg 236.049 172.135 188.959 0.750 re f 236.049 156.254 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 162.280 Td /F1 9.8 Tf [(22.5 18.2 \(4-69\))] TJ ET 0.267 0.267 0.267 rg 424.258 172.135 156.617 0.750 re f 424.258 156.254 0.750 16.631 re f 580.125 156.254 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 162.280 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 156.254 210.174 0.750 re f 26.625 140.373 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 146.399 Td /F1 9.8 Tf [(SDMT)] TJ ET 0.267 0.267 0.267 rg 236.049 156.254 188.959 0.750 re f 236.049 140.373 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 146.399 Td /F1 9.8 Tf [(27.2 10.6 \(16-44\))] TJ ET 0.267 0.267 0.267 rg 424.258 156.254 156.617 0.750 re f 424.258 140.373 0.750 16.631 re f 580.125 140.373 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 146.399 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 140.373 210.174 0.750 re f 26.625 124.492 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 130.518 Td /F1 9.8 Tf [(Stroop color)] TJ ET 0.267 0.267 0.267 rg 236.049 140.373 188.959 0.750 re f 236.049 124.492 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 130.518 Td /F1 9.8 Tf [(47.1 17.1 \(26-74\))] TJ ET 0.267 0.267 0.267 rg 424.258 140.373 156.617 0.750 re f 424.258 124.492 0.750 16.631 re f 580.125 124.492 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 130.518 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 124.492 210.174 0.750 re f 26.625 108.610 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 114.637 Td /F1 9.8 Tf [(Stroop word)] TJ ET 0.267 0.267 0.267 rg 236.049 124.492 188.959 0.750 re f 236.049 108.610 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 114.637 Td /F1 9.8 Tf [(68.1 22.8 \(32-100\))] TJ ET 0.267 0.267 0.267 rg 424.258 124.492 156.617 0.750 re f 424.258 108.610 0.750 16.631 re f 580.125 108.610 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 114.637 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 108.610 210.174 0.750 re f 26.625 92.729 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 98.755 Td /F1 9.8 Tf [(Stroop interference)] TJ ET 0.267 0.267 0.267 rg 236.049 108.610 188.959 0.750 re f 236.049 92.729 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 98.755 Td /F1 9.8 Tf [(29.5 16.1 \(10-59\))] TJ ET 0.267 0.267 0.267 rg 424.258 108.610 156.617 0.750 re f 424.258 92.729 0.750 16.631 re f 580.125 92.729 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 98.755 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 92.729 210.174 0.750 re f 26.625 76.848 210.174 0.750 re f 26.625 76.848 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 82.874 Td /F1 9.8 Tf [(Hamilton)] TJ ET 0.267 0.267 0.267 rg 236.049 92.729 188.959 0.750 re f 236.049 76.848 188.959 0.750 re f 236.049 76.848 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 82.874 Td /F1 9.8 Tf [(12.8 10.0 \(1-26\))] TJ ET 0.267 0.267 0.267 rg 424.258 92.729 156.617 0.750 re f 424.258 76.848 156.617 0.750 re f 424.258 76.848 0.750 16.631 re f 580.125 76.848 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 82.874 Td /F1 9.8 Tf [()] TJ ET Q q 0.000 0.000 0.000 rg BT 291.710 19.825 Td /F1 11.0 Tf [(2)] TJ ET BT 25.000 19.825 Td /F1 11.0 Tf [(PLOS Currents Huntington Disease)] TJ ET Q endstream endobj 184 0 obj << /Type /Annot /Subtype /Link /A 185 0 R /Border [0 0 0] /H /I /Rect [ 312.3832 766.5743 328.6462 776.4950 ] >> endobj 185 0 obj << /Type /Action >> endobj 186 0 obj << /Type /Annot /Subtype 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obj << /Type /Action >> endobj 342 0 obj << /Type /Annot /Subtype /Link /A 343 0 R /Border [0 0 0] /H /I /Rect [ 326.4525 456.9226 342.7155 466.8432 ] >> endobj 343 0 obj << /Type /Action >> endobj 344 0 obj << /Type /Annot /Subtype /Link /A 345 0 R /Border [0 0 0] /H /I /Rect [ 510.4837 445.0178 526.7468 454.9384 ] >> endobj 345 0 obj << /Type /Action >> endobj 346 0 obj << /Type /Page /Parent 3 0 R /Annots [ 348 0 R 350 0 R 352 0 R 354 0 R 356 0 R 358 0 R 360 0 R 362 0 R 364 0 R 366 0 R 368 0 R 370 0 R 372 0 R 374 0 R 376 0 R 378 0 R 380 0 R 382 0 R 384 0 R 386 0 R 388 0 R 390 0 R 392 0 R 394 0 R 396 0 R 398 0 R 400 0 R ] /Contents 347 0 R >> endobj 347 0 obj << /Length 41194 >> stream 0.271 0.267 0.267 rg q 15.000 26.662 577.500 750.338 re W n 1.000 1.000 1.000 rg 26.250 680.719 555.000 96.281 re f 0.267 0.267 0.267 rg 26.625 776.625 210.174 0.750 re f 26.625 745.369 0.750 32.006 re f 0.271 0.267 0.267 rg BT 31.875 766.770 Td /F1 9.8 Tf [(Beck depression inventory)] TJ ET 0.267 0.267 0.267 rg 236.049 776.625 188.959 0.750 re f 236.049 745.369 0.750 32.006 re f 0.271 0.267 0.267 rg BT 241.299 766.770 Td /F1 9.8 Tf [(12.3 13.4 \(0-39\))] TJ ET 0.267 0.267 0.267 rg 424.258 776.625 156.617 0.750 re f 424.258 745.369 0.750 32.006 re f 580.125 745.369 0.750 32.006 re f 0.271 0.267 0.267 rg BT 429.508 766.770 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 745.369 210.174 0.750 re f 26.625 744.619 0.750 1.500 re f 236.049 745.369 188.959 0.750 re f 236.049 744.619 0.750 1.500 re f 424.258 745.369 156.617 0.750 re f 424.258 744.619 0.750 1.500 re f 580.125 744.619 0.750 1.500 re f 26.625 744.619 210.174 0.750 re f 26.625 728.737 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 734.764 Td /F1 9.8 Tf [(Tapping dominant)] TJ ET 0.267 0.267 0.267 rg 236.049 744.619 188.959 0.750 re f 236.049 728.737 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 734.764 Td /F1 9.8 Tf [(129.2 44.8 \(47-198\))] TJ ET 0.267 0.267 0.267 rg 424.258 744.619 156.617 0.750 re f 424.258 728.737 0.750 16.631 re f 580.125 728.737 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 734.764 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 728.737 210.174 0.750 re f 26.625 712.856 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 718.883 Td /F1 9.8 Tf [(Tapping non dominant)] TJ ET 0.267 0.267 0.267 rg 236.049 728.737 188.959 0.750 re f 236.049 712.856 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 718.883 Td /F1 9.8 Tf [(99.4 33 \(38-161\))] TJ ET 0.267 0.267 0.267 rg 424.258 728.737 156.617 0.750 re f 424.258 712.856 0.750 16.631 re f 580.125 712.856 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 718.883 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 712.856 210.174 0.750 re f 26.625 696.975 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 703.001 Td /F1 9.8 Tf [(Pegboard dominant [sec])] TJ ET 0.267 0.267 0.267 rg 236.049 712.856 188.959 0.750 re f 236.049 696.975 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 703.001 Td /F1 9.8 Tf [(68.6 24.8 \(42.2-120.9\))] TJ ET 0.267 0.267 0.267 rg 424.258 712.856 156.617 0.750 re f 424.258 696.975 0.750 16.631 re f 580.125 696.975 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 703.001 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 696.975 210.174 0.750 re f 26.625 681.094 210.174 0.750 re f 26.625 681.094 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 687.120 Td /F1 9.8 Tf [(Pegboard non dominant [sec])] TJ ET 0.267 0.267 0.267 rg 236.049 696.975 188.959 0.750 re f 236.049 681.094 188.959 0.750 re f 236.049 681.094 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 687.120 Td /F1 9.8 Tf [(80.9 40.2 \(43.9-184.0\))] TJ ET 0.267 0.267 0.267 rg 424.258 696.975 156.617 0.750 re f 424.258 681.094 156.617 0.750 re f 424.258 681.094 0.750 16.631 re f 580.125 681.094 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 687.120 Td /F1 9.8 Tf [()] TJ ET BT 26.250 633.695 Td /F4 9.8 Tf [(Table 1:)] TJ ET BT 63.095 633.695 Td /F1 9.8 Tf [( Clinical characteristics of 11 HD patients and 11 matched controls; values are given as mean SD; range \(min-max\) in )] TJ ET BT 26.250 621.790 Td /F1 9.8 Tf [(brackets; Abbreviations: BMI body mass index, yr years, AO age at onset, )] TJ ET BT 371.995 625.678 Td /F1 8.7 Tf [(a)] TJ ET BT 376.813 621.790 Td /F1 9.8 Tf [( n = 6; UHDRS unified Huntingtons disease )] TJ ET BT 26.250 609.885 Td /F1 9.8 Tf [(rating scale, MS motor score TFC total functional capacity, IS independence scale, CS cognitive sum score, SDMT )] TJ ET BT 26.250 597.981 Td /F1 9.8 Tf [(symbol digit modalities test; sec seconds. * significant differences.)] TJ ET BT 26.250 578.576 Td /F4 9.8 Tf [(Test meal and)] TJ ET BT 91.273 582.464 Td /F4 8.7 Tf [(13)] TJ ET BT 100.910 578.576 Td /F4 9.8 Tf [(C-octanoate breath test technique)] TJ ET BT 26.250 559.171 Td /F1 9.8 Tf [(The )] TJ ET BT 45.760 563.059 Td /F1 8.7 Tf [(13)] TJ ET BT 55.397 559.171 Td /F1 9.8 Tf [( C-octanoate breath test was used in the same way as described earlier. )] TJ ET 0.267 0.267 0.267 rg BT 370.244 559.171 Td /F1 9.8 Tf [([16])] TJ ET BT 386.507 559.171 Td /F1 9.8 Tf [([17])] TJ ET BT 402.770 559.171 Td /F1 9.8 Tf [([18])] TJ ET BT 419.033 559.171 Td /F1 9.8 Tf [([34])] TJ ET 0.271 0.267 0.267 rg BT 435.296 559.171 Td /F1 9.8 Tf [( In summary: After an overnight )] TJ ET BT 26.250 547.266 Td /F1 9.8 Tf [(fasting each participant received a solid test meal consisting of an egg omelet of one egg, 60 g of white bread, 5 g of margarine )] TJ ET BT 26.250 535.362 Td /F1 9.8 Tf [(and 150 ml of water \(14 g of proteins, 26 g of carbohydrates and 9 g of fat, 241 kcal\) labeled with 100 mg of 13C-)] TJ ET BT 26.250 523.457 Td /F1 9.8 Tf [(sodiumoctanoate \(chemical purity of 99,7 % and an isotopic purity of 99,1 %\) at 8 AM. Breath samples, which were expired in )] TJ ET BT 26.250 511.552 Td /F1 9.8 Tf [(close aluminized plastic breath bags of 50 ml content were obtained before substrate administration at baseline and after 10, )] TJ ET BT 26.250 499.647 Td /F1 9.8 Tf [(20, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 200, 220 and 240 minutes. The subjects were kept in a relaxed sitting )] TJ ET BT 26.250 487.743 Td /F1 9.8 Tf [(position during the octanoate breath test \(OBT\). Physical activity was restricted during the test. All subjects consumed their test )] TJ ET BT 26.250 475.838 Td /F1 9.8 Tf [(meal within 10 minutes. The )] TJ ET BT 150.338 479.726 Td /F1 8.7 Tf [(13)] TJ ET BT 159.976 475.838 Td /F1 9.8 Tf [( C/ )] TJ ET BT 175.147 479.726 Td /F1 8.7 Tf [(12)] TJ ET BT 184.784 475.838 Td /F1 9.8 Tf [( C isotope ratio of the breath samples was analysed by isotope-selective nondispersive )] TJ ET BT 26.250 463.933 Td /F1 9.8 Tf [(infrared spectrometer \(NDIRS\). The results were both expressed as delta \(?\) value per mil \(\) and delta over baseline \(dob = ? )] TJ ET BT 26.250 449.964 Td /F1 8.7 Tf [(s)] TJ ET BT 30.583 452.028 Td /F1 9.8 Tf [( ? )] TJ ET BT 49.557 449.964 Td /F1 8.7 Tf [(0)] TJ ET BT 54.376 452.028 Td /F1 9.8 Tf [( \). Definition of the ?-value: ? )] TJ ET BT 181.730 449.964 Td /F1 8.7 Tf [(s)] TJ ET BT 186.063 452.028 Td /F1 9.8 Tf [( = \(R )] TJ ET BT 210.175 449.964 Td /F1 8.7 Tf [(S)] TJ ET BT 215.956 452.028 Td /F1 9.8 Tf [( /R )] TJ ET BT 231.127 449.964 Td /F1 8.7 Tf [(PDB)] TJ ET BT 248.945 452.028 Td /F1 9.8 Tf [( -1\) x 1000 [] with R )] TJ ET BT 345.938 449.964 Td /F1 8.7 Tf [(s)] TJ ET BT 350.272 452.028 Td /F1 9.8 Tf [( = )] TJ ET BT 361.387 455.917 Td /F1 8.7 Tf [(13)] TJ ET BT 371.024 452.028 Td /F1 9.8 Tf [( C/ )] TJ ET BT 386.195 455.917 Td /F1 8.7 Tf [(12)] TJ ET BT 395.832 452.028 Td /F1 9.8 Tf [( C isotope ratio in CO )] TJ ET BT 491.743 449.964 Td /F1 8.7 Tf [(2)] TJ ET BT 496.562 452.028 Td /F1 9.8 Tf [( in breath and R )] TJ ET BT 26.250 438.059 Td /F1 8.7 Tf [(PDB)] TJ ET BT 44.069 440.124 Td /F1 9.8 Tf [( = 0.0112372 = isotope ratio in reference \(PDB = PeeDeeBelmnite, South Carolina; ? )] TJ ET BT 413.408 438.059 Td /F1 8.7 Tf [(0)] TJ ET BT 418.227 440.124 Td /F1 9.8 Tf [( = isotope ratio at baseline\).)] TJ ET BT 26.250 420.719 Td /F4 9.8 Tf [(Mathematical analysis of)] TJ ET BT 141.125 424.607 Td /F4 8.7 Tf [(13)] TJ ET BT 150.762 420.719 Td /F4 9.8 Tf [(CO)] TJ ET BT 165.387 418.655 Td /F4 8.7 Tf [(2 )] TJ ET BT 172.615 420.719 Td /F4 9.8 Tf [(excretion curves and statistical analysis)] TJ ET BT 26.250 401.314 Td /F1 9.8 Tf [(As regards the measuring of the proportion of the )] TJ ET BT 241.403 405.202 Td /F1 8.7 Tf [(13)] TJ ET BT 251.041 401.314 Td /F1 9.8 Tf [( C-sodium octanoate given by mouth that is metabolised the results were )] TJ ET BT 26.250 389.409 Td /F1 9.8 Tf [(expressed as a percentage dose of )] TJ ET BT 181.256 393.298 Td /F1 8.7 Tf [(13)] TJ ET BT 190.893 389.409 Td /F1 9.8 Tf [( C recovered \(PDR\) over time for each time interval from which the cumulative PDR )] TJ ET BT 26.250 377.505 Td /F1 9.8 Tf [(\(cPDR\), obtained by numerical integration from PDR values, was calculated for each time interval. This calculation is based on )] TJ ET BT 26.250 365.600 Td /F1 9.8 Tf [(the formula as proposed by Ravussin. )] TJ ET 0.267 0.267 0.267 rg BT 192.614 365.600 Td /F1 9.8 Tf [([35])] TJ ET 0.271 0.267 0.267 rg BT 208.877 365.600 Td /F1 9.8 Tf [( CO )] TJ ET BT 228.923 363.536 Td /F1 8.7 Tf [(2)] TJ ET BT 233.742 365.600 Td /F1 9.8 Tf [( production rate was assumed as being 300 mmol per unit of body surface area )] TJ ET BT 26.250 353.695 Td /F1 9.8 Tf [(per hour. The body surface area was calculated using the Haycock weight-height formula. )] TJ ET 0.267 0.267 0.267 rg BT 415.880 353.695 Td /F1 9.8 Tf [([36])] TJ ET 0.271 0.267 0.267 rg BT 432.142 353.695 Td /F1 9.8 Tf [( The evaluation of the OBT for )] TJ ET BT 26.250 341.790 Td /F1 9.8 Tf [(gastric emptying was done by non-linear regression analysis of the )] TJ ET BT 316.702 345.679 Td /F1 8.7 Tf [(13)] TJ ET BT 326.340 341.790 Td /F1 9.8 Tf [( CO )] TJ ET BT 346.386 339.726 Td /F1 8.7 Tf [(2)] TJ ET BT 351.204 341.790 Td /F1 9.8 Tf [( -excretion curves \(PDR\) with the formula PDR\(t\) = )] TJ ET BT 26.250 329.886 Td /F1 9.8 Tf [(at )] TJ ET BT 37.092 333.774 Td /F1 8.7 Tf [(b)] TJ ET BT 41.911 329.886 Td /F1 9.8 Tf [( e )] TJ ET BT 52.753 333.774 Td /F1 8.7 Tf [(-ct)] TJ ET BT 62.381 329.886 Td /F1 9.8 Tf [( . The expression ln a, as gastric emptying coefficient \(GEC\) is a reliable parameter to describe the rate at which the )] TJ ET BT 26.250 317.981 Td /F1 9.8 Tf [(stomach empties. The percentage of )] TJ ET BT 187.203 321.869 Td /F1 8.7 Tf [(13)] TJ ET BT 196.840 317.981 Td /F1 9.8 Tf [( CO )] TJ ET BT 216.886 315.917 Td /F1 8.7 Tf [(2)] TJ ET BT 221.705 317.981 Td /F1 9.8 Tf [( cumulative values was fit using a model given by the formula cPDR\(t\) = m\(1-e )] TJ ET BT 562.799 321.869 Td /F1 8.7 Tf [(-kt)] TJ ET BT 572.428 317.981 Td /F1 9.8 Tf [( \) )] TJ ET BT 26.250 309.964 Td /F1 8.7 Tf [()] TJ ET BT 31.545 306.076 Td /F1 9.8 Tf [( , where y is cPDR at time t in hours and m, k and are regression estimated constants, with m being the total amount of )] TJ ET BT 555.023 309.964 Td /F1 8.7 Tf [(13)] TJ ET BT 26.250 294.171 Td /F1 9.8 Tf [(CO )] TJ ET BT 43.585 292.107 Td /F1 8.7 Tf [(2)] TJ ET BT 48.404 294.171 Td /F1 9.8 Tf [( when time is infinite. Half gastric emptying time \(t )] TJ ET BT 265.137 292.107 Td /F1 8.7 Tf [(50)] TJ ET BT 274.774 294.171 Td /F1 9.8 Tf [( \) was calculated by taking PDR\(t\) equal to m/2 in the PDR equation )] TJ ET BT 26.250 282.267 Td /F1 9.8 Tf [(which is expressed as t )] TJ ET BT 129.746 280.202 Td /F1 8.7 Tf [(50)] TJ ET BT 139.384 282.267 Td /F1 9.8 Tf [( = \(-1/k\)ln \(1-2 )] TJ ET BT 203.587 286.155 Td /F1 8.7 Tf [(-1/)] TJ ET BT 218.997 282.267 Td /F1 9.8 Tf [( \). The Lag phase is expressed as t )] TJ ET BT 373.992 280.202 Td /F1 8.7 Tf [(lag)] TJ ET BT 385.554 282.267 Td /F1 9.8 Tf [( = 1/kln. )] TJ ET 0.267 0.267 0.267 rg BT 428.639 282.267 Td /F1 9.8 Tf [([37])] TJ ET 0.271 0.267 0.267 rg BT 444.902 282.267 Td /F1 9.8 Tf [( Statistical analysis was )] TJ ET BT 26.250 270.362 Td /F1 9.8 Tf [(carried out as a descriptive evaluation of GEC, t )] TJ ET BT 235.427 268.298 Td /F1 8.7 Tf [(50)] TJ ET BT 245.064 270.362 Td /F1 9.8 Tf [( \(min\), tl )] TJ ET BT 282.982 268.298 Td /F1 8.7 Tf [(ag)] TJ ET BT 292.619 270.362 Td /F1 9.8 Tf [( \(min\) and t )] TJ ET BT 344.635 268.298 Td /F1 8.7 Tf [(peak)] TJ ET BT 363.425 270.362 Td /F1 9.8 Tf [( \(min\) and characteristics of participants \(mean )] TJ ET BT 26.250 258.457 Td /F1 9.8 Tf [(SD\).)] TJ ET BT 26.250 239.052 Td /F4 9.8 Tf [(Gastroparesis Cardinal Symptom Index \(GCSI\) and Short-Form Leeds Dyspepsia Questionnaire \(SF-LDQ\))] TJ ET BT 26.250 219.648 Td /F1 9.8 Tf [(The well-validated Gastroparesis Cardinal Symptom Index \(GCSI\) was used for clinical evaluation of gastroparesis symptoms. )] TJ ET BT 26.250 207.743 Td /F1 9.8 Tf [(GCSI quantifies nine symptoms in the three different subscales: nausea and vomiting, postprandial fullness, and bloating. )] TJ ET 0.267 0.267 0.267 rg BT 551.921 207.743 Td /F1 9.8 Tf [([38])] TJ ET 0.271 0.267 0.267 rg BT 26.250 195.838 Td /F1 9.8 Tf [(In addition patients were asked about the frequency and severity of their stomach complaints, heartburn, burping and nausea )] TJ ET BT 26.250 183.933 Td /F1 9.8 Tf [(symptoms according to the Short-Form Leeds Dyspepsia Questionnaire \(SF-LDQ\). )] TJ ET 0.267 0.267 0.267 rg BT 386.035 183.933 Td /F1 9.8 Tf [([39])] TJ ET 0.271 0.267 0.267 rg BT 26.250 164.529 Td /F1 9.8 Tf [(The data analysis and statistics were performed by using the commercial software program SPSS statistics 19. All measured )] TJ ET BT 26.250 152.624 Td /F1 9.8 Tf [(parameters and clinical data were first analysed descriptively and they were when presented as mean SD. Normality of )] TJ ET BT 26.250 140.719 Td /F1 9.8 Tf [(distribution of the data was tested with the one-sample Kolmogorov-Smirnov test. Data were analyzed using the independent t-)] TJ ET BT 26.250 128.814 Td /F1 9.8 Tf [(test for comparison between HD participants and controls. Pearson correlation analysis was used for exploratory statistical )] TJ ET BT 26.250 116.910 Td /F1 9.8 Tf [(calculations of the normal distributed data.)] TJ ET BT 26.250 80.307 Td /F4 12.0 Tf [(Results)] TJ ET Q q 15.000 26.662 577.500 750.338 re W n 1.000 1.000 1.000 rg 26.250 680.719 555.000 96.281 re f 0.267 0.267 0.267 rg 26.625 776.625 210.174 0.750 re f 26.625 745.369 0.750 32.006 re f 0.271 0.267 0.267 rg BT 31.875 766.770 Td /F1 9.8 Tf [(Beck depression inventory)] TJ ET 0.267 0.267 0.267 rg 236.049 776.625 188.959 0.750 re f 236.049 745.369 0.750 32.006 re f 0.271 0.267 0.267 rg BT 241.299 766.770 Td /F1 9.8 Tf [(12.3 13.4 \(0-39\))] TJ ET 0.267 0.267 0.267 rg 424.258 776.625 156.617 0.750 re f 424.258 745.369 0.750 32.006 re f 580.125 745.369 0.750 32.006 re f 0.271 0.267 0.267 rg BT 429.508 766.770 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 745.369 210.174 0.750 re f 26.625 744.619 0.750 1.500 re f 236.049 745.369 188.959 0.750 re f 236.049 744.619 0.750 1.500 re f 424.258 745.369 156.617 0.750 re f 424.258 744.619 0.750 1.500 re f 580.125 744.619 0.750 1.500 re f 26.625 744.619 210.174 0.750 re f 26.625 728.737 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 734.764 Td /F1 9.8 Tf [(Tapping dominant)] TJ ET 0.267 0.267 0.267 rg 236.049 744.619 188.959 0.750 re f 236.049 728.737 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 734.764 Td /F1 9.8 Tf [(129.2 44.8 \(47-198\))] TJ ET 0.267 0.267 0.267 rg 424.258 744.619 156.617 0.750 re f 424.258 728.737 0.750 16.631 re f 580.125 728.737 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 734.764 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 728.737 210.174 0.750 re f 26.625 712.856 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 718.883 Td /F1 9.8 Tf [(Tapping non dominant)] TJ ET 0.267 0.267 0.267 rg 236.049 728.737 188.959 0.750 re f 236.049 712.856 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 718.883 Td /F1 9.8 Tf [(99.4 33 \(38-161\))] TJ ET 0.267 0.267 0.267 rg 424.258 728.737 156.617 0.750 re f 424.258 712.856 0.750 16.631 re f 580.125 712.856 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 718.883 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 712.856 210.174 0.750 re f 26.625 696.975 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 703.001 Td /F1 9.8 Tf [(Pegboard dominant [sec])] TJ ET 0.267 0.267 0.267 rg 236.049 712.856 188.959 0.750 re f 236.049 696.975 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 703.001 Td /F1 9.8 Tf [(68.6 24.8 \(42.2-120.9\))] TJ ET 0.267 0.267 0.267 rg 424.258 712.856 156.617 0.750 re f 424.258 696.975 0.750 16.631 re f 580.125 696.975 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 703.001 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 696.975 210.174 0.750 re f 26.625 681.094 210.174 0.750 re f 26.625 681.094 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 687.120 Td /F1 9.8 Tf [(Pegboard non dominant [sec])] TJ ET 0.267 0.267 0.267 rg 236.049 696.975 188.959 0.750 re f 236.049 681.094 188.959 0.750 re f 236.049 681.094 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 687.120 Td /F1 9.8 Tf [(80.9 40.2 \(43.9-184.0\))] TJ ET 0.267 0.267 0.267 rg 424.258 696.975 156.617 0.750 re f 424.258 681.094 156.617 0.750 re f 424.258 681.094 0.750 16.631 re f 580.125 681.094 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 687.120 Td /F1 9.8 Tf [()] TJ ET BT 26.250 633.695 Td /F4 9.8 Tf [(Table 1:)] TJ ET BT 63.095 633.695 Td /F1 9.8 Tf [( Clinical characteristics of 11 HD patients and 11 matched controls; values are given as mean SD; range \(min-max\) in )] TJ ET BT 26.250 621.790 Td /F1 9.8 Tf [(brackets; Abbreviations: BMI body mass index, yr years, AO age at onset, )] TJ ET BT 371.995 625.678 Td /F1 8.7 Tf [(a)] TJ ET BT 376.813 621.790 Td /F1 9.8 Tf [( n = 6; UHDRS unified Huntingtons disease )] TJ ET BT 26.250 609.885 Td /F1 9.8 Tf [(rating scale, MS motor score TFC total functional capacity, IS independence scale, CS cognitive sum score, SDMT )] TJ ET BT 26.250 597.981 Td /F1 9.8 Tf [(symbol digit modalities test; sec seconds. * significant differences.)] TJ ET BT 26.250 578.576 Td /F4 9.8 Tf [(Test meal and)] TJ ET BT 91.273 582.464 Td /F4 8.7 Tf [(13)] TJ ET BT 100.910 578.576 Td /F4 9.8 Tf [(C-octanoate breath test technique)] TJ ET BT 26.250 559.171 Td /F1 9.8 Tf [(The )] TJ ET BT 45.760 563.059 Td /F1 8.7 Tf [(13)] TJ ET BT 55.397 559.171 Td /F1 9.8 Tf [( C-octanoate breath test was used in the same way as described earlier. )] TJ ET 0.267 0.267 0.267 rg BT 370.244 559.171 Td /F1 9.8 Tf [([16])] TJ ET BT 386.507 559.171 Td /F1 9.8 Tf [([17])] TJ ET BT 402.770 559.171 Td /F1 9.8 Tf [([18])] TJ ET BT 419.033 559.171 Td /F1 9.8 Tf [([34])] TJ ET 0.271 0.267 0.267 rg BT 435.296 559.171 Td /F1 9.8 Tf [( In summary: After an overnight )] TJ ET BT 26.250 547.266 Td /F1 9.8 Tf [(fasting each participant received a solid test meal consisting of an egg omelet of one egg, 60 g of white bread, 5 g of margarine )] TJ ET BT 26.250 535.362 Td /F1 9.8 Tf [(and 150 ml of water \(14 g of proteins, 26 g of carbohydrates and 9 g of fat, 241 kcal\) labeled with 100 mg of 13C-)] TJ ET BT 26.250 523.457 Td /F1 9.8 Tf [(sodiumoctanoate \(chemical purity of 99,7 % and an isotopic purity of 99,1 %\) at 8 AM. Breath samples, which were expired in )] TJ ET BT 26.250 511.552 Td /F1 9.8 Tf [(close aluminized plastic breath bags of 50 ml content were obtained before substrate administration at baseline and after 10, )] TJ ET BT 26.250 499.647 Td /F1 9.8 Tf [(20, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 200, 220 and 240 minutes. The subjects were kept in a relaxed sitting )] TJ ET BT 26.250 487.743 Td /F1 9.8 Tf [(position during the octanoate breath test \(OBT\). Physical activity was restricted during the test. All subjects consumed their test )] TJ ET BT 26.250 475.838 Td /F1 9.8 Tf [(meal within 10 minutes. The )] TJ ET BT 150.338 479.726 Td /F1 8.7 Tf [(13)] TJ ET BT 159.976 475.838 Td /F1 9.8 Tf [( C/ )] TJ ET BT 175.147 479.726 Td /F1 8.7 Tf [(12)] TJ ET BT 184.784 475.838 Td /F1 9.8 Tf [( C isotope ratio of the breath samples was analysed by isotope-selective nondispersive )] TJ ET BT 26.250 463.933 Td /F1 9.8 Tf [(infrared spectrometer \(NDIRS\). The results were both expressed as delta \(?\) value per mil \(\) and delta over baseline \(dob = ? )] TJ ET BT 26.250 449.964 Td /F1 8.7 Tf [(s)] TJ ET BT 30.583 452.028 Td /F1 9.8 Tf [( ? )] TJ ET BT 49.557 449.964 Td /F1 8.7 Tf [(0)] TJ ET BT 54.376 452.028 Td /F1 9.8 Tf [( \). Definition of the ?-value: ? )] TJ ET BT 181.730 449.964 Td /F1 8.7 Tf [(s)] TJ ET BT 186.063 452.028 Td /F1 9.8 Tf [( = \(R )] TJ ET BT 210.175 449.964 Td /F1 8.7 Tf [(S)] TJ ET BT 215.956 452.028 Td /F1 9.8 Tf [( /R )] TJ ET BT 231.127 449.964 Td /F1 8.7 Tf [(PDB)] TJ ET BT 248.945 452.028 Td /F1 9.8 Tf [( -1\) x 1000 [] with R )] TJ ET BT 345.938 449.964 Td /F1 8.7 Tf [(s)] TJ ET BT 350.272 452.028 Td /F1 9.8 Tf [( = )] TJ ET BT 361.387 455.917 Td /F1 8.7 Tf [(13)] TJ ET BT 371.024 452.028 Td /F1 9.8 Tf [( C/ )] TJ ET BT 386.195 455.917 Td /F1 8.7 Tf [(12)] TJ ET BT 395.832 452.028 Td /F1 9.8 Tf [( C isotope ratio in CO )] TJ ET BT 491.743 449.964 Td /F1 8.7 Tf [(2)] TJ ET BT 496.562 452.028 Td /F1 9.8 Tf [( in breath and R )] TJ ET BT 26.250 438.059 Td /F1 8.7 Tf [(PDB)] TJ ET BT 44.069 440.124 Td /F1 9.8 Tf [( = 0.0112372 = isotope ratio in reference \(PDB = PeeDeeBelmnite, South Carolina; ? )] TJ ET BT 413.408 438.059 Td /F1 8.7 Tf [(0)] TJ ET BT 418.227 440.124 Td /F1 9.8 Tf [( = isotope ratio at baseline\).)] TJ ET BT 26.250 420.719 Td /F4 9.8 Tf [(Mathematical analysis of)] TJ ET BT 141.125 424.607 Td /F4 8.7 Tf [(13)] TJ ET BT 150.762 420.719 Td /F4 9.8 Tf [(CO)] TJ ET BT 165.387 418.655 Td /F4 8.7 Tf [(2 )] TJ ET BT 172.615 420.719 Td /F4 9.8 Tf [(excretion curves and statistical analysis)] TJ ET BT 26.250 401.314 Td /F1 9.8 Tf [(As regards the measuring of the proportion of the )] TJ ET BT 241.403 405.202 Td /F1 8.7 Tf [(13)] TJ ET BT 251.041 401.314 Td /F1 9.8 Tf [( C-sodium octanoate given by mouth that is metabolised the results were )] TJ ET BT 26.250 389.409 Td /F1 9.8 Tf [(expressed as a percentage dose of )] TJ ET BT 181.256 393.298 Td /F1 8.7 Tf [(13)] TJ ET BT 190.893 389.409 Td /F1 9.8 Tf [( C recovered \(PDR\) over time for each time interval from which the cumulative PDR )] TJ ET BT 26.250 377.505 Td /F1 9.8 Tf [(\(cPDR\), obtained by numerical integration from PDR values, was calculated for each time interval. This calculation is based on )] TJ ET BT 26.250 365.600 Td /F1 9.8 Tf [(the formula as proposed by Ravussin. )] TJ ET 0.267 0.267 0.267 rg BT 192.614 365.600 Td /F1 9.8 Tf [([35])] TJ ET 0.271 0.267 0.267 rg BT 208.877 365.600 Td /F1 9.8 Tf [( CO )] TJ ET BT 228.923 363.536 Td /F1 8.7 Tf [(2)] TJ ET BT 233.742 365.600 Td /F1 9.8 Tf [( production rate was assumed as being 300 mmol per unit of body surface area )] TJ ET BT 26.250 353.695 Td /F1 9.8 Tf [(per hour. The body surface area was calculated using the Haycock weight-height formula. )] TJ ET 0.267 0.267 0.267 rg BT 415.880 353.695 Td /F1 9.8 Tf [([36])] TJ ET 0.271 0.267 0.267 rg BT 432.142 353.695 Td /F1 9.8 Tf [( The evaluation of the OBT for )] TJ ET BT 26.250 341.790 Td /F1 9.8 Tf [(gastric emptying was done by non-linear regression analysis of the )] TJ ET BT 316.702 345.679 Td /F1 8.7 Tf [(13)] TJ ET BT 326.340 341.790 Td /F1 9.8 Tf [( CO )] TJ ET BT 346.386 339.726 Td /F1 8.7 Tf [(2)] TJ ET BT 351.204 341.790 Td /F1 9.8 Tf [( -excretion curves \(PDR\) with the formula PDR\(t\) = )] TJ ET BT 26.250 329.886 Td /F1 9.8 Tf [(at )] TJ ET BT 37.092 333.774 Td /F1 8.7 Tf [(b)] TJ ET BT 41.911 329.886 Td /F1 9.8 Tf [( e )] TJ ET BT 52.753 333.774 Td /F1 8.7 Tf [(-ct)] TJ ET BT 62.381 329.886 Td /F1 9.8 Tf [( . The expression ln a, as gastric emptying coefficient \(GEC\) is a reliable parameter to describe the rate at which the )] TJ ET BT 26.250 317.981 Td /F1 9.8 Tf [(stomach empties. The percentage of )] TJ ET BT 187.203 321.869 Td /F1 8.7 Tf [(13)] TJ ET BT 196.840 317.981 Td /F1 9.8 Tf [( CO )] TJ ET BT 216.886 315.917 Td /F1 8.7 Tf [(2)] TJ ET BT 221.705 317.981 Td /F1 9.8 Tf [( cumulative values was fit using a model given by the formula cPDR\(t\) = m\(1-e )] TJ ET BT 562.799 321.869 Td /F1 8.7 Tf [(-kt)] TJ ET BT 572.428 317.981 Td /F1 9.8 Tf [( \) )] TJ ET BT 26.250 309.964 Td /F1 8.7 Tf [()] TJ ET BT 31.545 306.076 Td /F1 9.8 Tf [( , where y is cPDR at time t in hours and m, k and are regression estimated constants, with m being the total amount of )] TJ ET BT 555.023 309.964 Td /F1 8.7 Tf [(13)] TJ ET BT 26.250 294.171 Td /F1 9.8 Tf [(CO )] TJ ET BT 43.585 292.107 Td /F1 8.7 Tf [(2)] TJ ET BT 48.404 294.171 Td /F1 9.8 Tf [( when time is infinite. Half gastric emptying time \(t )] TJ ET BT 265.137 292.107 Td /F1 8.7 Tf [(50)] TJ ET BT 274.774 294.171 Td /F1 9.8 Tf [( \) was calculated by taking PDR\(t\) equal to m/2 in the PDR equation )] TJ ET BT 26.250 282.267 Td /F1 9.8 Tf [(which is expressed as t )] TJ ET BT 129.746 280.202 Td /F1 8.7 Tf [(50)] TJ ET BT 139.384 282.267 Td /F1 9.8 Tf [( = \(-1/k\)ln \(1-2 )] TJ ET BT 203.587 286.155 Td /F1 8.7 Tf [(-1/)] TJ ET BT 218.997 282.267 Td /F1 9.8 Tf [( \). The Lag phase is expressed as t )] TJ ET BT 373.992 280.202 Td /F1 8.7 Tf [(lag)] TJ ET BT 385.554 282.267 Td /F1 9.8 Tf [( = 1/kln. )] TJ ET 0.267 0.267 0.267 rg BT 428.639 282.267 Td /F1 9.8 Tf [([37])] TJ ET 0.271 0.267 0.267 rg BT 444.902 282.267 Td /F1 9.8 Tf [( Statistical analysis was )] TJ ET BT 26.250 270.362 Td /F1 9.8 Tf [(carried out as a descriptive evaluation of GEC, t )] TJ ET BT 235.427 268.298 Td /F1 8.7 Tf [(50)] TJ ET BT 245.064 270.362 Td /F1 9.8 Tf [( \(min\), tl )] TJ ET BT 282.982 268.298 Td /F1 8.7 Tf [(ag)] TJ ET BT 292.619 270.362 Td /F1 9.8 Tf [( \(min\) and t )] TJ ET BT 344.635 268.298 Td /F1 8.7 Tf [(peak)] TJ ET BT 363.425 270.362 Td /F1 9.8 Tf [( \(min\) and characteristics of participants \(mean )] TJ ET BT 26.250 258.457 Td /F1 9.8 Tf [(SD\).)] TJ ET BT 26.250 239.052 Td /F4 9.8 Tf [(Gastroparesis Cardinal Symptom Index \(GCSI\) and Short-Form Leeds Dyspepsia Questionnaire \(SF-LDQ\))] TJ ET BT 26.250 219.648 Td /F1 9.8 Tf [(The well-validated Gastroparesis Cardinal Symptom Index \(GCSI\) was used for clinical evaluation of gastroparesis symptoms. )] TJ ET BT 26.250 207.743 Td /F1 9.8 Tf [(GCSI quantifies nine symptoms in the three different subscales: nausea and vomiting, postprandial fullness, and bloating. )] TJ ET 0.267 0.267 0.267 rg BT 551.921 207.743 Td /F1 9.8 Tf [([38])] TJ ET 0.271 0.267 0.267 rg BT 26.250 195.838 Td /F1 9.8 Tf [(In addition patients were asked about the frequency and severity of their stomach complaints, heartburn, burping and nausea )] TJ ET BT 26.250 183.933 Td /F1 9.8 Tf [(symptoms according to the Short-Form Leeds Dyspepsia Questionnaire \(SF-LDQ\). )] TJ ET 0.267 0.267 0.267 rg BT 386.035 183.933 Td /F1 9.8 Tf [([39])] TJ ET 0.271 0.267 0.267 rg BT 26.250 164.529 Td /F1 9.8 Tf [(The data analysis and statistics were performed by using the commercial software program SPSS statistics 19. All measured )] TJ ET BT 26.250 152.624 Td /F1 9.8 Tf [(parameters and clinical data were first analysed descriptively and they were when presented as mean SD. Normality of )] TJ ET BT 26.250 140.719 Td /F1 9.8 Tf [(distribution of the data was tested with the one-sample Kolmogorov-Smirnov test. Data were analyzed using the independent t-)] TJ ET BT 26.250 128.814 Td /F1 9.8 Tf [(test for comparison between HD participants and controls. Pearson correlation analysis was used for exploratory statistical )] TJ ET BT 26.250 116.910 Td /F1 9.8 Tf [(calculations of the normal distributed data.)] TJ ET BT 26.250 80.307 Td /F4 12.0 Tf [(Results)] TJ ET Q q 15.000 26.662 577.500 750.338 re W n 1.000 1.000 1.000 rg 26.250 680.719 555.000 96.281 re f 0.267 0.267 0.267 rg 26.625 776.625 210.174 0.750 re f 26.625 745.369 0.750 32.006 re f 0.271 0.267 0.267 rg BT 31.875 766.770 Td /F1 9.8 Tf [(Beck depression inventory)] TJ ET 0.267 0.267 0.267 rg 236.049 776.625 188.959 0.750 re f 236.049 745.369 0.750 32.006 re f 0.271 0.267 0.267 rg BT 241.299 766.770 Td /F1 9.8 Tf [(12.3 13.4 \(0-39\))] TJ ET 0.267 0.267 0.267 rg 424.258 776.625 156.617 0.750 re f 424.258 745.369 0.750 32.006 re f 580.125 745.369 0.750 32.006 re f 0.271 0.267 0.267 rg BT 429.508 766.770 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 745.369 210.174 0.750 re f 26.625 744.619 0.750 1.500 re f 236.049 745.369 188.959 0.750 re f 236.049 744.619 0.750 1.500 re f 424.258 745.369 156.617 0.750 re f 424.258 744.619 0.750 1.500 re f 580.125 744.619 0.750 1.500 re f 26.625 744.619 210.174 0.750 re f 26.625 728.737 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 734.764 Td /F1 9.8 Tf [(Tapping dominant)] TJ ET 0.267 0.267 0.267 rg 236.049 744.619 188.959 0.750 re f 236.049 728.737 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 734.764 Td /F1 9.8 Tf [(129.2 44.8 \(47-198\))] TJ ET 0.267 0.267 0.267 rg 424.258 744.619 156.617 0.750 re f 424.258 728.737 0.750 16.631 re f 580.125 728.737 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 734.764 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 728.737 210.174 0.750 re f 26.625 712.856 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 718.883 Td /F1 9.8 Tf [(Tapping non dominant)] TJ ET 0.267 0.267 0.267 rg 236.049 728.737 188.959 0.750 re f 236.049 712.856 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 718.883 Td /F1 9.8 Tf [(99.4 33 \(38-161\))] TJ ET 0.267 0.267 0.267 rg 424.258 728.737 156.617 0.750 re f 424.258 712.856 0.750 16.631 re f 580.125 712.856 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 718.883 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 712.856 210.174 0.750 re f 26.625 696.975 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 703.001 Td /F1 9.8 Tf [(Pegboard dominant [sec])] TJ ET 0.267 0.267 0.267 rg 236.049 712.856 188.959 0.750 re f 236.049 696.975 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 703.001 Td /F1 9.8 Tf [(68.6 24.8 \(42.2-120.9\))] TJ ET 0.267 0.267 0.267 rg 424.258 712.856 156.617 0.750 re f 424.258 696.975 0.750 16.631 re f 580.125 696.975 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 703.001 Td /F1 9.8 Tf [()] TJ ET 0.267 0.267 0.267 rg 26.625 696.975 210.174 0.750 re f 26.625 681.094 210.174 0.750 re f 26.625 681.094 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 687.120 Td /F1 9.8 Tf [(Pegboard non dominant [sec])] TJ ET 0.267 0.267 0.267 rg 236.049 696.975 188.959 0.750 re f 236.049 681.094 188.959 0.750 re f 236.049 681.094 0.750 16.631 re f 0.271 0.267 0.267 rg BT 241.299 687.120 Td /F1 9.8 Tf [(80.9 40.2 \(43.9-184.0\))] TJ ET 0.267 0.267 0.267 rg 424.258 696.975 156.617 0.750 re f 424.258 681.094 156.617 0.750 re f 424.258 681.094 0.750 16.631 re f 580.125 681.094 0.750 16.631 re f 0.271 0.267 0.267 rg BT 429.508 687.120 Td /F1 9.8 Tf [()] TJ ET BT 26.250 633.695 Td /F4 9.8 Tf [(Table 1:)] TJ ET BT 63.095 633.695 Td /F1 9.8 Tf [( Clinical characteristics of 11 HD patients and 11 matched controls; values are given as mean SD; range \(min-max\) in )] TJ ET BT 26.250 621.790 Td /F1 9.8 Tf [(brackets; Abbreviations: BMI body mass index, yr years, AO age at onset, )] TJ ET BT 371.995 625.678 Td /F1 8.7 Tf [(a)] TJ ET BT 376.813 621.790 Td /F1 9.8 Tf [( n = 6; UHDRS unified Huntingtons disease )] TJ ET BT 26.250 609.885 Td /F1 9.8 Tf [(rating scale, MS motor score TFC total functional capacity, IS independence scale, CS cognitive sum score, SDMT )] TJ ET BT 26.250 597.981 Td /F1 9.8 Tf [(symbol digit modalities test; sec seconds. * significant differences.)] TJ ET BT 26.250 578.576 Td /F4 9.8 Tf [(Test meal and)] TJ ET BT 91.273 582.464 Td /F4 8.7 Tf [(13)] TJ ET BT 100.910 578.576 Td /F4 9.8 Tf [(C-octanoate breath test technique)] TJ ET BT 26.250 559.171 Td /F1 9.8 Tf [(The )] TJ ET BT 45.760 563.059 Td /F1 8.7 Tf [(13)] TJ ET BT 55.397 559.171 Td /F1 9.8 Tf [( C-octanoate breath test was used in the same way as described earlier. )] TJ ET 0.267 0.267 0.267 rg BT 370.244 559.171 Td /F1 9.8 Tf [([16])] TJ ET BT 386.507 559.171 Td /F1 9.8 Tf [([17])] TJ ET BT 402.770 559.171 Td /F1 9.8 Tf [([18])] TJ ET BT 419.033 559.171 Td /F1 9.8 Tf [([34])] TJ ET 0.271 0.267 0.267 rg BT 435.296 559.171 Td /F1 9.8 Tf [( In summary: After an overnight )] TJ ET BT 26.250 547.266 Td /F1 9.8 Tf [(fasting each participant received a solid test meal consisting of an egg omelet of one egg, 60 g of white bread, 5 g of margarine )] TJ ET BT 26.250 535.362 Td /F1 9.8 Tf [(and 150 ml of water \(14 g of proteins, 26 g of carbohydrates and 9 g of fat, 241 kcal\) labeled with 100 mg of 13C-)] TJ ET BT 26.250 523.457 Td /F1 9.8 Tf [(sodiumoctanoate \(chemical purity of 99,7 % and an isotopic purity of 99,1 %\) at 8 AM. Breath samples, which were expired in )] TJ ET BT 26.250 511.552 Td /F1 9.8 Tf [(close aluminized plastic breath bags of 50 ml content were obtained before substrate administration at baseline and after 10, )] TJ ET BT 26.250 499.647 Td /F1 9.8 Tf [(20, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 200, 220 and 240 minutes. The subjects were kept in a relaxed sitting )] TJ ET BT 26.250 487.743 Td /F1 9.8 Tf [(position during the octanoate breath test \(OBT\). Physical activity was restricted during the test. All subjects consumed their test )] TJ ET BT 26.250 475.838 Td /F1 9.8 Tf [(meal within 10 minutes. The )] TJ ET BT 150.338 479.726 Td /F1 8.7 Tf [(13)] TJ ET BT 159.976 475.838 Td /F1 9.8 Tf [( C/ )] TJ ET BT 175.147 479.726 Td /F1 8.7 Tf [(12)] TJ ET BT 184.784 475.838 Td /F1 9.8 Tf [( C isotope ratio of the breath samples was analysed by isotope-selective nondispersive )] TJ ET BT 26.250 463.933 Td /F1 9.8 Tf [(infrared spectrometer \(NDIRS\). The results were both expressed as delta \(?\) value per mil \(\) and delta over baseline \(dob = ? )] TJ ET BT 26.250 449.964 Td /F1 8.7 Tf [(s)] TJ ET BT 30.583 452.028 Td /F1 9.8 Tf [( ? )] TJ ET BT 49.557 449.964 Td /F1 8.7 Tf [(0)] TJ ET BT 54.376 452.028 Td /F1 9.8 Tf [( \). Definition of the ?-value: ? )] TJ ET BT 181.730 449.964 Td /F1 8.7 Tf [(s)] TJ ET BT 186.063 452.028 Td /F1 9.8 Tf [( = \(R )] TJ ET BT 210.175 449.964 Td /F1 8.7 Tf [(S)] TJ ET BT 215.956 452.028 Td /F1 9.8 Tf [( /R )] TJ ET BT 231.127 449.964 Td /F1 8.7 Tf [(PDB)] TJ ET BT 248.945 452.028 Td /F1 9.8 Tf [( -1\) x 1000 [] with R )] TJ ET BT 345.938 449.964 Td /F1 8.7 Tf [(s)] TJ ET BT 350.272 452.028 Td /F1 9.8 Tf [( = )] TJ ET BT 361.387 455.917 Td /F1 8.7 Tf [(13)] TJ ET BT 371.024 452.028 Td /F1 9.8 Tf [( C/ )] TJ ET BT 386.195 455.917 Td /F1 8.7 Tf [(12)] TJ ET BT 395.832 452.028 Td /F1 9.8 Tf [( C isotope ratio in CO )] TJ ET BT 491.743 449.964 Td /F1 8.7 Tf [(2)] TJ ET BT 496.562 452.028 Td /F1 9.8 Tf [( in breath and R )] TJ ET BT 26.250 438.059 Td /F1 8.7 Tf [(PDB)] TJ ET BT 44.069 440.124 Td /F1 9.8 Tf [( = 0.0112372 = isotope ratio in reference \(PDB = PeeDeeBelmnite, South Carolina; ? )] TJ ET BT 413.408 438.059 Td /F1 8.7 Tf [(0)] TJ ET BT 418.227 440.124 Td /F1 9.8 Tf [( = isotope ratio at baseline\).)] TJ ET BT 26.250 420.719 Td /F4 9.8 Tf [(Mathematical analysis of)] TJ ET BT 141.125 424.607 Td /F4 8.7 Tf [(13)] TJ ET BT 150.762 420.719 Td /F4 9.8 Tf [(CO)] TJ ET BT 165.387 418.655 Td /F4 8.7 Tf [(2 )] TJ ET BT 172.615 420.719 Td /F4 9.8 Tf [(excretion curves and statistical analysis)] TJ ET BT 26.250 401.314 Td /F1 9.8 Tf [(As regards the measuring of the proportion of the )] TJ ET BT 241.403 405.202 Td /F1 8.7 Tf [(13)] TJ ET BT 251.041 401.314 Td /F1 9.8 Tf [( C-sodium octanoate given by mouth that is metabolised the results were )] TJ ET BT 26.250 389.409 Td /F1 9.8 Tf [(expressed as a percentage dose of )] TJ ET BT 181.256 393.298 Td /F1 8.7 Tf [(13)] TJ ET BT 190.893 389.409 Td /F1 9.8 Tf [( C recovered \(PDR\) over time for each time interval from which the cumulative PDR )] TJ ET BT 26.250 377.505 Td /F1 9.8 Tf [(\(cPDR\), obtained by numerical integration from PDR values, was calculated for each time interval. This calculation is based on )] TJ ET BT 26.250 365.600 Td /F1 9.8 Tf [(the formula as proposed by Ravussin. )] TJ ET 0.267 0.267 0.267 rg BT 192.614 365.600 Td /F1 9.8 Tf [([35])] TJ ET 0.271 0.267 0.267 rg BT 208.877 365.600 Td /F1 9.8 Tf [( CO )] TJ ET BT 228.923 363.536 Td /F1 8.7 Tf [(2)] TJ ET BT 233.742 365.600 Td /F1 9.8 Tf [( production rate was assumed as being 300 mmol per unit of body surface area )] TJ ET BT 26.250 353.695 Td /F1 9.8 Tf [(per hour. The body surface area was calculated using the Haycock weight-height formula. )] TJ ET 0.267 0.267 0.267 rg BT 415.880 353.695 Td /F1 9.8 Tf [([36])] TJ ET 0.271 0.267 0.267 rg BT 432.142 353.695 Td /F1 9.8 Tf [( The evaluation of the OBT for )] TJ ET BT 26.250 341.790 Td /F1 9.8 Tf [(gastric emptying was done by non-linear regression analysis of the )] TJ ET BT 316.702 345.679 Td /F1 8.7 Tf [(13)] TJ ET BT 326.340 341.790 Td /F1 9.8 Tf [( CO )] TJ ET BT 346.386 339.726 Td /F1 8.7 Tf [(2)] TJ ET BT 351.204 341.790 Td /F1 9.8 Tf [( -excretion curves \(PDR\) with the formula PDR\(t\) = )] TJ ET BT 26.250 329.886 Td /F1 9.8 Tf [(at )] TJ ET BT 37.092 333.774 Td /F1 8.7 Tf [(b)] TJ ET BT 41.911 329.886 Td /F1 9.8 Tf [( e )] TJ ET BT 52.753 333.774 Td /F1 8.7 Tf [(-ct)] TJ ET BT 62.381 329.886 Td /F1 9.8 Tf [( . The expression ln a, as gastric emptying coefficient \(GEC\) is a reliable parameter to describe the rate at which the )] TJ ET BT 26.250 317.981 Td /F1 9.8 Tf [(stomach empties. The percentage of )] TJ ET BT 187.203 321.869 Td /F1 8.7 Tf [(13)] TJ ET BT 196.840 317.981 Td /F1 9.8 Tf [( CO )] TJ ET BT 216.886 315.917 Td /F1 8.7 Tf [(2)] TJ ET BT 221.705 317.981 Td /F1 9.8 Tf [( cumulative values was fit using a model given by the formula cPDR\(t\) = m\(1-e )] TJ ET BT 562.799 321.869 Td /F1 8.7 Tf [(-kt)] TJ ET BT 572.428 317.981 Td /F1 9.8 Tf [( \) )] TJ ET BT 26.250 309.964 Td /F1 8.7 Tf [()] TJ ET BT 31.545 306.076 Td /F1 9.8 Tf [( , where y is cPDR at time t in hours and m, k and are regression estimated constants, with m being the total amount of )] TJ ET BT 555.023 309.964 Td /F1 8.7 Tf [(13)] TJ ET BT 26.250 294.171 Td /F1 9.8 Tf [(CO )] TJ ET BT 43.585 292.107 Td /F1 8.7 Tf [(2)] TJ ET BT 48.404 294.171 Td /F1 9.8 Tf [( when time is infinite. Half gastric emptying time \(t )] TJ ET BT 265.137 292.107 Td /F1 8.7 Tf [(50)] TJ ET BT 274.774 294.171 Td /F1 9.8 Tf [( \) was calculated by taking PDR\(t\) equal to m/2 in the PDR equation )] TJ ET BT 26.250 282.267 Td /F1 9.8 Tf [(which is expressed as t )] TJ ET BT 129.746 280.202 Td /F1 8.7 Tf [(50)] TJ ET BT 139.384 282.267 Td /F1 9.8 Tf [( = \(-1/k\)ln \(1-2 )] TJ ET BT 203.587 286.155 Td /F1 8.7 Tf [(-1/)] TJ ET BT 218.997 282.267 Td /F1 9.8 Tf [( \). The Lag phase is expressed as t )] TJ ET BT 373.992 280.202 Td /F1 8.7 Tf [(lag)] TJ ET BT 385.554 282.267 Td /F1 9.8 Tf [( = 1/kln. )] TJ ET 0.267 0.267 0.267 rg BT 428.639 282.267 Td /F1 9.8 Tf [([37])] TJ ET 0.271 0.267 0.267 rg BT 444.902 282.267 Td /F1 9.8 Tf [( Statistical analysis was )] TJ ET BT 26.250 270.362 Td /F1 9.8 Tf [(carried out as a descriptive evaluation of GEC, t )] TJ ET BT 235.427 268.298 Td /F1 8.7 Tf [(50)] TJ ET BT 245.064 270.362 Td /F1 9.8 Tf [( \(min\), tl )] TJ ET BT 282.982 268.298 Td /F1 8.7 Tf [(ag)] TJ ET BT 292.619 270.362 Td /F1 9.8 Tf [( \(min\) and t )] TJ ET BT 344.635 268.298 Td /F1 8.7 Tf [(peak)] TJ ET BT 363.425 270.362 Td /F1 9.8 Tf [( \(min\) and characteristics of participants \(mean )] TJ ET BT 26.250 258.457 Td /F1 9.8 Tf [(SD\).)] TJ ET BT 26.250 239.052 Td /F4 9.8 Tf [(Gastroparesis Cardinal Symptom Index \(GCSI\) and Short-Form Leeds Dyspepsia Questionnaire \(SF-LDQ\))] TJ ET BT 26.250 219.648 Td /F1 9.8 Tf [(The well-validated Gastroparesis Cardinal Symptom Index \(GCSI\) was used for clinical evaluation of gastroparesis symptoms. )] TJ ET BT 26.250 207.743 Td /F1 9.8 Tf [(GCSI quantifies nine symptoms in the three different subscales: nausea and vomiting, postprandial fullness, and bloating. )] TJ ET 0.267 0.267 0.267 rg BT 551.921 207.743 Td /F1 9.8 Tf [([38])] TJ ET 0.271 0.267 0.267 rg BT 26.250 195.838 Td /F1 9.8 Tf [(In addition patients were asked about the frequency and severity of their stomach complaints, heartburn, burping and nausea )] TJ ET BT 26.250 183.933 Td /F1 9.8 Tf [(symptoms according to the Short-Form Leeds Dyspepsia Questionnaire \(SF-LDQ\). )] TJ ET 0.267 0.267 0.267 rg BT 386.035 183.933 Td /F1 9.8 Tf [([39])] TJ ET 0.271 0.267 0.267 rg BT 26.250 164.529 Td /F1 9.8 Tf [(The data analysis and statistics were performed by using the commercial software program SPSS statistics 19. All measured )] TJ ET BT 26.250 152.624 Td /F1 9.8 Tf [(parameters and clinical data were first analysed descriptively and they were when presented as mean SD. Normality of )] TJ ET BT 26.250 140.719 Td /F1 9.8 Tf [(distribution of the data was tested with the one-sample Kolmogorov-Smirnov test. Data were analyzed using the independent t-)] TJ ET BT 26.250 128.814 Td /F1 9.8 Tf [(test for comparison between HD participants and controls. Pearson correlation analysis was used for exploratory statistical )] TJ ET BT 26.250 116.910 Td /F1 9.8 Tf [(calculations of the normal distributed data.)] TJ ET BT 26.250 80.307 Td /F4 12.0 Tf [(Results)] TJ ET Q q 0.000 0.000 0.000 rg BT 291.710 19.825 Td /F1 11.0 Tf [(3)] TJ ET BT 25.000 19.825 Td /F1 11.0 Tf [(PLOS Currents Huntington Disease)] TJ ET Q endstream endobj 348 0 obj << /Type /Annot /Subtype /Link /A 349 0 R /Border [0 0 0] /H /I /Rect [ 370.2441 558.2693 386.5071 568.1899 ] >> endobj 349 0 obj << /Type /Action >> endobj 350 0 obj << /Type /Annot /Subtype /Link /A 351 0 R /Border [0 0 0] /H /I /Rect [ 386.5071 558.2693 402.7701 568.1899 ] >> endobj 351 0 obj << /Type /Action >> endobj 352 0 obj << /Type /Annot /Subtype /Link /A 353 0 R /Border [0 0 0] /H /I /Rect [ 402.7701 558.2693 419.0331 568.1899 ] >> endobj 353 0 obj << /Type /Action >> endobj 354 0 obj << /Type /Annot /Subtype /Link /A 355 0 R /Border [0 0 0] /H /I /Rect [ 419.0331 558.2693 435.2961 568.1899 ] >> 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421 0 R 423 0 R 425 0 R 429 0 R 431 0 R 433 0 R 435 0 R 437 0 R ] /Contents 403 0 R >> endobj 403 0 obj << /Length 34440 >> stream 0.271 0.267 0.267 rg q 15.000 46.932 577.500 730.068 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(As expected HD participants had a lower body mass index compared to controls. One HD patient had underweight with a body )] TJ ET BT 26.250 755.571 Td /F1 9.8 Tf [(mass index of 16. There were however, no significant differences between groups concerning any of the clinical data \(table 1\). )] TJ ET BT 26.250 743.667 Td /F1 9.8 Tf [(Breath test results and clinical data showed normal distribution except for gender.)] TJ ET BT 26.250 724.262 Td /F1 9.8 Tf [(Results of the )] TJ ET BT 88.572 728.150 Td /F1 8.7 Tf [(13)] TJ ET BT 98.209 724.262 Td /F1 9.8 Tf [( C-sodium octanoate breath test are given in table 2. )] TJ ET BT 327.451 728.150 Td /F1 8.7 Tf [(13)] TJ ET BT 337.089 724.262 Td /F1 9.8 Tf [( CO )] TJ ET BT 357.135 722.198 Td /F1 8.7 Tf [(2)] TJ ET BT 361.953 724.262 Td /F1 9.8 Tf [( -excretion curves \(PDR\) and the percentage of )] TJ ET BT 568.956 728.150 Td /F1 8.7 Tf [(13)] TJ ET BT 26.250 712.357 Td /F1 9.8 Tf [(CO )] TJ ET BT 43.585 710.293 Td /F1 8.7 Tf [(2)] TJ ET BT 48.404 712.357 Td /F1 9.8 Tf [( cumulative values \(cPDR\) showed normal excretion of )] TJ ET BT 287.893 716.245 Td /F1 8.7 Tf [(13)] TJ ET BT 297.531 712.357 Td /F1 9.8 Tf [( C. For PDR only PDR )] TJ ET BT 397.215 710.293 Td /F1 8.7 Tf [(max)] TJ ET BT 413.586 712.357 Td /F1 9.8 Tf [( for the maximum amount of )] TJ ET BT 537.674 716.245 Td /F1 8.7 Tf [(13)] TJ ET BT 547.312 712.357 Td /F1 9.8 Tf [( CO )] TJ ET BT 567.358 710.293 Td /F1 8.7 Tf [(2)] TJ ET BT 572.176 712.357 Td /F1 9.8 Tf [( -)] TJ ET BT 26.250 700.452 Td /F1 9.8 Tf [(excretion reached during testing time is listed in table 2. There were no significant differences compared to controls for the )] TJ ET BT 26.250 688.548 Td /F1 9.8 Tf [(values decisive for the evaluation of gastric emptying, such as PDR )] TJ ET BT 319.413 686.483 Td /F1 8.7 Tf [(max)] TJ ET BT 335.784 688.548 Td /F1 9.8 Tf [( , cPDR, GEC, t )] TJ ET BT 406.764 686.483 Td /F1 8.7 Tf [(50)] TJ ET BT 416.402 688.548 Td /F1 9.8 Tf [( \(min\) and tl )] TJ ET BT 470.582 686.483 Td /F1 8.7 Tf [(ag)] TJ ET BT 480.220 688.548 Td /F1 9.8 Tf [( \(min; see table 2\). )] TJ ET BT 26.250 676.643 Td /F1 9.8 Tf [(Compared to standard values given in literature, the most important parameters t )] TJ ET BT 377.396 674.579 Td /F1 8.7 Tf [(50)] TJ ET BT 387.034 676.643 Td /F1 9.8 Tf [( and tl )] TJ ET BT 416.303 674.579 Td /F1 8.7 Tf [(ag)] TJ ET BT 425.940 676.643 Td /F1 9.8 Tf [( were within normal range \(t )] TJ ET BT 548.937 674.579 Td /F1 8.7 Tf [(50)] TJ ET BT 558.574 676.643 Td /F1 9.8 Tf [( < )] TJ ET BT 26.250 664.738 Td /F1 9.8 Tf [(200 min and tl )] TJ ET BT 90.200 662.674 Td /F1 8.7 Tf [(ag)] TJ ET BT 99.838 664.738 Td /F1 9.8 Tf [( <130 min; no data is available in literature for GEC, cPDR and PDR )] TJ ET BT 396.520 662.674 Td /F1 8.7 Tf [(max)] TJ ET BT 412.892 664.738 Td /F1 9.8 Tf [( \) and none of the patients had )] TJ ET BT 26.250 652.833 Td /F1 9.8 Tf [(abnormal breath test results \(see figure 1\). )] TJ ET 0.267 0.267 0.267 rg BT 212.660 652.833 Td /F1 9.8 Tf [([24])] TJ ET 1.000 1.000 1.000 rg 26.250 537.313 555.000 105.640 re f 0.267 0.267 0.267 rg 26.625 641.827 138.598 0.750 re f 26.625 625.946 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 631.972 Td /F4 9.8 Tf [(OBT Parameter)] TJ ET 0.267 0.267 0.267 rg 164.473 641.827 208.576 0.750 re f 164.473 625.946 0.750 16.631 re f 0.271 0.267 0.267 rg BT 169.723 631.972 Td /F4 9.8 Tf [(Results HD)] TJ ET 0.267 0.267 0.267 rg 372.299 641.827 208.576 0.750 re f 372.299 625.946 0.750 16.631 re f 580.125 625.946 0.750 16.631 re f 0.271 0.267 0.267 rg BT 377.549 631.972 Td /F4 9.8 Tf [(Results Controls)] TJ ET 0.267 0.267 0.267 rg 26.625 625.946 138.598 0.750 re f 26.625 607.114 0.750 19.582 re f 0.271 0.267 0.267 rg BT 31.875 613.731 Td /F1 9.8 Tf [(PDR )] TJ ET BT 55.168 611.005 Td /F1 8.7 Tf [(max)] TJ ET 0.267 0.267 0.267 rg 164.473 625.946 208.576 0.750 re f 164.473 607.114 0.750 19.582 re f 0.271 0.267 0.267 rg BT 169.723 616.091 Td /F1 9.8 Tf [(9.76 2.866.32 14.18)] TJ ET 0.267 0.267 0.267 rg 372.299 625.946 208.576 0.750 re f 372.299 607.114 0.750 19.582 re f 580.125 607.114 0.750 19.582 re f 0.271 0.267 0.267 rg BT 377.549 616.091 Td /F1 9.8 Tf [(9.85 2.615.58 14.09)] TJ ET 0.267 0.267 0.267 rg 26.625 607.114 138.598 0.750 re f 26.625 591.233 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 597.259 Td /F1 9.8 Tf [(cPDR)] TJ ET 0.267 0.267 0.267 rg 164.473 607.114 208.576 0.750 re f 164.473 591.233 0.750 16.631 re f 0.271 0.267 0.267 rg BT 169.723 597.259 Td /F1 9.8 Tf [(23.64 7.92\(14.72 37.0\))] TJ ET 0.267 0.267 0.267 rg 372.299 607.114 208.576 0.750 re f 372.299 591.233 0.750 16.631 re f 580.125 591.233 0.750 16.631 re f 0.271 0.267 0.267 rg BT 377.549 597.259 Td /F1 9.8 Tf [(25.38 7.92\(15.51 34.94\))] TJ ET 0.267 0.267 0.267 rg 26.625 591.233 138.598 0.750 re f 26.625 575.352 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 581.378 Td /F1 9.8 Tf [(GEC)] TJ ET 0.267 0.267 0.267 rg 164.473 591.233 208.576 0.750 re f 164.473 575.352 0.750 16.631 re f 0.271 0.267 0.267 rg BT 169.723 581.378 Td /F1 9.8 Tf [(2.96 0.84\(0.95 3.77\))] TJ ET 0.267 0.267 0.267 rg 372.299 591.233 208.576 0.750 re f 372.299 575.352 0.750 16.631 re f 580.125 575.352 0.750 16.631 re f 0.271 0.267 0.267 rg BT 377.549 581.378 Td /F1 9.8 Tf [(2.89 0.36\(2.42 3.27\))] TJ ET 0.267 0.267 0.267 rg 26.625 575.352 138.598 0.750 re f 26.625 556.520 0.750 19.582 re f 0.271 0.267 0.267 rg BT 31.875 563.136 Td /F1 9.8 Tf [(t )] TJ ET BT 37.296 560.410 Td /F1 8.7 Tf [(50)] TJ ET 0.267 0.267 0.267 rg 164.473 575.352 208.576 0.750 re f 164.473 556.520 0.750 19.582 re f 0.271 0.267 0.267 rg BT 169.723 565.497 Td /F1 9.8 Tf [(129.26 38.84\(77.15 197.60\))] TJ ET 0.267 0.267 0.267 rg 372.299 575.352 208.576 0.750 re f 372.299 556.520 0.750 19.582 re f 580.125 556.520 0.750 19.582 re f 0.271 0.267 0.267 rg BT 377.549 565.497 Td /F1 9.8 Tf [(135.88 22.27\(95.74 167.47\))] TJ ET 0.267 0.267 0.267 rg 26.625 556.520 138.598 0.750 re f 26.625 537.688 138.598 0.750 re f 26.625 537.688 0.750 19.582 re f 0.271 0.267 0.267 rg BT 31.875 544.304 Td /F1 9.8 Tf [(t )] TJ ET BT 37.296 541.578 Td /F1 8.7 Tf [(lag)] TJ ET 0.267 0.267 0.267 rg 164.473 556.520 208.576 0.750 re f 164.473 537.688 208.576 0.750 re f 164.473 537.688 0.750 19.582 re f 0.271 0.267 0.267 rg BT 169.723 546.665 Td /F1 9.8 Tf [(85.45 25.14\(55.95 123.42\))] TJ ET 0.267 0.267 0.267 rg 372.299 556.520 208.576 0.750 re f 372.299 537.688 208.576 0.750 re f 372.299 537.688 0.750 19.582 re f 580.125 537.688 0.750 19.582 re f 0.271 0.267 0.267 rg BT 377.549 546.665 Td /F1 9.8 Tf [(80.74 17.33\(56.31 109.05\))] TJ ET BT 26.250 490.289 Td /F4 9.8 Tf [(Table 2)] TJ ET BT 59.849 490.289 Td /F4 8.7 Tf [(:)] TJ ET BT 62.735 494.177 Td /F1 8.7 Tf [( 13 )] TJ ET BT 77.191 490.289 Td /F1 9.8 Tf [( C-sodium octanoate breath test results; values are given as mean SD; range \(min-max\) in brackets, )] TJ ET BT 26.250 478.384 Td /F1 9.8 Tf [(Abbreviations: PDR )] TJ ET BT 114.029 476.320 Td /F1 8.7 Tf [(max)] TJ ET BT 130.401 478.384 Td /F1 9.8 Tf [( for the maximum amount of )] TJ ET BT 254.489 482.272 Td /F1 8.7 Tf [(13)] TJ ET BT 264.126 478.384 Td /F1 9.8 Tf [( CO )] TJ ET BT 284.172 476.320 Td /F1 8.7 Tf [(2)] TJ ET BT 288.991 478.384 Td /F1 9.8 Tf [( -excretion reached during testing time [%]; cPDR cumulative )] TJ ET BT 26.250 466.479 Td /F1 9.8 Tf [(exhaled )] TJ ET BT 63.105 470.368 Td /F1 8.7 Tf [(13)] TJ ET BT 72.742 466.479 Td /F1 9.8 Tf [( CO )] TJ ET BT 92.788 464.415 Td /F1 8.7 Tf [(2)] TJ ET BT 97.607 466.479 Td /F1 9.8 Tf [( \(cPDR [%]\) after 240 minutes; GEC gastric emptying coefficient; t )] TJ ET BT 392.925 464.415 Td /F1 8.7 Tf [(peak)] TJ ET BT 411.714 466.479 Td /F1 9.8 Tf [( time to highest exhaled )] TJ ET BT 525.526 470.368 Td /F1 8.7 Tf [(13)] TJ ET BT 535.163 466.479 Td /F1 9.8 Tf [( CO )] TJ ET BT 555.209 464.415 Td /F1 8.7 Tf [(2)] TJ ET BT 26.250 454.575 Td /F1 9.8 Tf [(value [min]; t )] TJ ET BT 84.233 452.510 Td /F1 8.7 Tf [(50)] TJ ET BT 93.871 454.575 Td /F1 9.8 Tf [( half gastric emptying time [min]; t )] TJ ET BT 249.929 452.510 Td /F1 8.7 Tf [(lag)] TJ ET BT 261.490 454.575 Td /F1 9.8 Tf [( Lag phase [min]. * significant differences.)] TJ ET 0.965 0.965 0.965 rg 26.250 251.575 555.000 193.119 re f 0.267 0.267 0.267 rg 0.267 0.267 0.267 RG 26.250 444.694 m 581.250 444.694 l 581.250 443.944 l 26.250 443.944 l f 26.250 251.575 m 581.250 251.575 l 581.250 252.325 l 26.250 252.325 l f q 112.500 0 0 112.500 35.250 322.444 cm /I3 Do Q q 35.250 262.825 537.000 53.619 re W n 0.271 0.267 0.267 rg BT 35.250 306.920 Td /F4 9.8 Tf [(Fig. 1: Gastric emptying of solids measured by 13 C sodium octanoate breath test presented as individual lag )] TJ ET BT 35.250 295.015 Td /F4 9.8 Tf [(phase \(tl ag \) and gastric half emptying time \(t50\) in 11 HD participants \(controls not shown\). The normal t 50 range )] TJ ET BT 35.250 283.110 Td /F4 9.8 Tf [(reported from literature \(<200 min\) is shown by the dotted line. A normal t lag range is reported to be below 130 )] TJ ET BT 35.250 271.206 Td /F4 9.8 Tf [(min. [24])] TJ ET Q BT 26.250 234.551 Td /F1 9.8 Tf [(Gastroparesis Cardinal Symptom Index \(GCSI\) was 0.3855 \(SEM 0.48; range 0 1.28\) and Short-Form Leeds Dyspepsia )] TJ ET BT 26.250 222.646 Td /F1 9.8 Tf [(Questionnaire \(SF-LDQ\) was 0.8182 \(SEM 1.83; range 0 6\) for HD participants. Thus, both questionnaire results were in )] TJ ET BT 26.250 210.741 Td /F1 9.8 Tf [(line with published data from healthy controls, without clinical evidence of gastroparesis or dyspepsia. )] TJ ET 0.267 0.267 0.267 rg BT 466.267 210.741 Td /F1 9.8 Tf [([38])] TJ ET BT 482.530 210.741 Td /F1 9.8 Tf [([39])] TJ ET 0.271 0.267 0.267 rg BT 498.793 210.741 Td /F1 9.8 Tf [( GCSI was 0.3027 )] TJ ET BT 26.250 198.837 Td /F1 9.8 Tf [(\(SEM 0.30; range 0 0.83\) and SF-LDQ was 2.273 \(SEM 2.195; range 0 7\) for controls. Differences were not significant )] TJ ET BT 26.250 186.932 Td /F1 9.8 Tf [(\(data not shown\).)] TJ ET BT 26.250 167.527 Td /F1 9.8 Tf [(Explorative correlation analysis of breath test results given in table 2 with clinical symptoms from table 1 showed no significant )] TJ ET BT 26.250 155.622 Td /F1 9.8 Tf [(correlation, except for the cognitive sum score and t )] TJ ET BT 252.226 153.558 Td /F1 8.7 Tf [(50)] TJ ET BT 261.863 155.622 Td /F1 9.8 Tf [( \(p 0.018, r -.692\) and tl )] TJ ET BT 366.461 153.558 Td /F1 8.7 Tf [(ag)] TJ ET BT 376.098 155.622 Td /F1 9.8 Tf [( \(p 0.019, r -.688\), as well as for PDR )] TJ ET BT 539.742 153.558 Td /F1 8.7 Tf [(max)] TJ ET BT 556.114 155.622 Td /F1 9.8 Tf [( and )] TJ ET BT 26.250 143.718 Td /F1 9.8 Tf [(the total functional capacity \(TFC; p 0.014, r .712; no analysis of the cognitive subtests was done; see figure 2\). Especially no )] TJ ET BT 26.250 131.813 Td /F1 9.8 Tf [(correlation to motor symptoms was found.)] TJ ET 0.965 0.965 0.965 rg 26.250 46.932 555.000 75.000 re f 0.267 0.267 0.267 rg 0.267 0.267 0.267 RG 26.250 121.932 m 581.250 121.932 l 581.250 121.182 l 26.250 121.182 l f q 225.000 0 0 59.250 35.250 52.932 cm /I5 Do Q q 35.250 46.932 537.000 0.000 re W n Q Q q 15.000 46.932 577.500 730.068 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(As expected HD participants had a lower body mass index compared to controls. One HD patient had underweight with a body )] TJ ET BT 26.250 755.571 Td /F1 9.8 Tf [(mass index of 16. There were however, no significant differences between groups concerning any of the clinical data \(table 1\). )] TJ ET BT 26.250 743.667 Td /F1 9.8 Tf [(Breath test results and clinical data showed normal distribution except for gender.)] TJ ET BT 26.250 724.262 Td /F1 9.8 Tf [(Results of the )] TJ ET BT 88.572 728.150 Td /F1 8.7 Tf [(13)] TJ ET BT 98.209 724.262 Td /F1 9.8 Tf [( C-sodium octanoate breath test are given in table 2. )] TJ ET BT 327.451 728.150 Td /F1 8.7 Tf [(13)] TJ ET BT 337.089 724.262 Td /F1 9.8 Tf [( CO )] TJ ET BT 357.135 722.198 Td /F1 8.7 Tf [(2)] TJ ET BT 361.953 724.262 Td /F1 9.8 Tf [( -excretion curves \(PDR\) and the percentage of )] TJ ET BT 568.956 728.150 Td /F1 8.7 Tf [(13)] TJ ET BT 26.250 712.357 Td /F1 9.8 Tf [(CO )] TJ ET BT 43.585 710.293 Td /F1 8.7 Tf [(2)] TJ ET BT 48.404 712.357 Td /F1 9.8 Tf [( cumulative values \(cPDR\) showed normal excretion of )] TJ ET BT 287.893 716.245 Td /F1 8.7 Tf [(13)] TJ ET BT 297.531 712.357 Td /F1 9.8 Tf [( C. For PDR only PDR )] TJ ET BT 397.215 710.293 Td /F1 8.7 Tf [(max)] TJ ET BT 413.586 712.357 Td /F1 9.8 Tf [( for the maximum amount of )] TJ ET BT 537.674 716.245 Td /F1 8.7 Tf [(13)] TJ ET BT 547.312 712.357 Td /F1 9.8 Tf [( CO )] TJ ET BT 567.358 710.293 Td /F1 8.7 Tf [(2)] TJ ET BT 572.176 712.357 Td /F1 9.8 Tf [( -)] TJ ET BT 26.250 700.452 Td /F1 9.8 Tf [(excretion reached during testing time is listed in table 2. There were no significant differences compared to controls for the )] TJ ET BT 26.250 688.548 Td /F1 9.8 Tf [(values decisive for the evaluation of gastric emptying, such as PDR )] TJ ET BT 319.413 686.483 Td /F1 8.7 Tf [(max)] TJ ET BT 335.784 688.548 Td /F1 9.8 Tf [( , cPDR, GEC, t )] TJ ET BT 406.764 686.483 Td /F1 8.7 Tf [(50)] TJ ET BT 416.402 688.548 Td /F1 9.8 Tf [( \(min\) and tl )] TJ ET BT 470.582 686.483 Td /F1 8.7 Tf [(ag)] TJ ET BT 480.220 688.548 Td /F1 9.8 Tf [( \(min; see table 2\). )] TJ ET BT 26.250 676.643 Td /F1 9.8 Tf [(Compared to standard values given in literature, the most important parameters t )] TJ ET BT 377.396 674.579 Td /F1 8.7 Tf [(50)] TJ ET BT 387.034 676.643 Td /F1 9.8 Tf [( and tl )] TJ ET BT 416.303 674.579 Td /F1 8.7 Tf [(ag)] TJ ET BT 425.940 676.643 Td /F1 9.8 Tf [( were within normal range \(t )] TJ ET BT 548.937 674.579 Td /F1 8.7 Tf [(50)] TJ ET BT 558.574 676.643 Td /F1 9.8 Tf [( < )] TJ ET BT 26.250 664.738 Td /F1 9.8 Tf [(200 min and tl )] TJ ET BT 90.200 662.674 Td /F1 8.7 Tf [(ag)] TJ ET BT 99.838 664.738 Td /F1 9.8 Tf [( <130 min; no data is available in literature for GEC, cPDR and PDR )] TJ ET BT 396.520 662.674 Td /F1 8.7 Tf [(max)] TJ ET BT 412.892 664.738 Td /F1 9.8 Tf [( \) and none of the patients had )] TJ ET BT 26.250 652.833 Td /F1 9.8 Tf [(abnormal breath test results \(see figure 1\). )] TJ ET 0.267 0.267 0.267 rg BT 212.660 652.833 Td /F1 9.8 Tf [([24])] TJ ET 1.000 1.000 1.000 rg 26.250 537.313 555.000 105.640 re f 0.267 0.267 0.267 rg 26.625 641.827 138.598 0.750 re f 26.625 625.946 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 631.972 Td /F4 9.8 Tf [(OBT Parameter)] TJ ET 0.267 0.267 0.267 rg 164.473 641.827 208.576 0.750 re f 164.473 625.946 0.750 16.631 re f 0.271 0.267 0.267 rg BT 169.723 631.972 Td /F4 9.8 Tf [(Results HD)] TJ ET 0.267 0.267 0.267 rg 372.299 641.827 208.576 0.750 re f 372.299 625.946 0.750 16.631 re f 580.125 625.946 0.750 16.631 re f 0.271 0.267 0.267 rg BT 377.549 631.972 Td /F4 9.8 Tf [(Results Controls)] TJ ET 0.267 0.267 0.267 rg 26.625 625.946 138.598 0.750 re f 26.625 607.114 0.750 19.582 re f 0.271 0.267 0.267 rg BT 31.875 613.731 Td /F1 9.8 Tf [(PDR )] TJ ET BT 55.168 611.005 Td /F1 8.7 Tf [(max)] TJ ET 0.267 0.267 0.267 rg 164.473 625.946 208.576 0.750 re f 164.473 607.114 0.750 19.582 re f 0.271 0.267 0.267 rg BT 169.723 616.091 Td /F1 9.8 Tf [(9.76 2.866.32 14.18)] TJ ET 0.267 0.267 0.267 rg 372.299 625.946 208.576 0.750 re f 372.299 607.114 0.750 19.582 re f 580.125 607.114 0.750 19.582 re f 0.271 0.267 0.267 rg BT 377.549 616.091 Td /F1 9.8 Tf [(9.85 2.615.58 14.09)] TJ ET 0.267 0.267 0.267 rg 26.625 607.114 138.598 0.750 re f 26.625 591.233 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 597.259 Td /F1 9.8 Tf [(cPDR)] TJ ET 0.267 0.267 0.267 rg 164.473 607.114 208.576 0.750 re f 164.473 591.233 0.750 16.631 re f 0.271 0.267 0.267 rg BT 169.723 597.259 Td /F1 9.8 Tf [(23.64 7.92\(14.72 37.0\))] TJ ET 0.267 0.267 0.267 rg 372.299 607.114 208.576 0.750 re f 372.299 591.233 0.750 16.631 re f 580.125 591.233 0.750 16.631 re f 0.271 0.267 0.267 rg BT 377.549 597.259 Td /F1 9.8 Tf [(25.38 7.92\(15.51 34.94\))] TJ ET 0.267 0.267 0.267 rg 26.625 591.233 138.598 0.750 re f 26.625 575.352 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 581.378 Td /F1 9.8 Tf [(GEC)] TJ ET 0.267 0.267 0.267 rg 164.473 591.233 208.576 0.750 re f 164.473 575.352 0.750 16.631 re f 0.271 0.267 0.267 rg BT 169.723 581.378 Td /F1 9.8 Tf [(2.96 0.84\(0.95 3.77\))] TJ ET 0.267 0.267 0.267 rg 372.299 591.233 208.576 0.750 re f 372.299 575.352 0.750 16.631 re f 580.125 575.352 0.750 16.631 re f 0.271 0.267 0.267 rg BT 377.549 581.378 Td /F1 9.8 Tf [(2.89 0.36\(2.42 3.27\))] TJ ET 0.267 0.267 0.267 rg 26.625 575.352 138.598 0.750 re f 26.625 556.520 0.750 19.582 re f 0.271 0.267 0.267 rg BT 31.875 563.136 Td /F1 9.8 Tf [(t )] TJ ET BT 37.296 560.410 Td /F1 8.7 Tf [(50)] TJ ET 0.267 0.267 0.267 rg 164.473 575.352 208.576 0.750 re f 164.473 556.520 0.750 19.582 re f 0.271 0.267 0.267 rg BT 169.723 565.497 Td /F1 9.8 Tf [(129.26 38.84\(77.15 197.60\))] TJ ET 0.267 0.267 0.267 rg 372.299 575.352 208.576 0.750 re f 372.299 556.520 0.750 19.582 re f 580.125 556.520 0.750 19.582 re f 0.271 0.267 0.267 rg BT 377.549 565.497 Td /F1 9.8 Tf [(135.88 22.27\(95.74 167.47\))] TJ ET 0.267 0.267 0.267 rg 26.625 556.520 138.598 0.750 re f 26.625 537.688 138.598 0.750 re f 26.625 537.688 0.750 19.582 re f 0.271 0.267 0.267 rg BT 31.875 544.304 Td /F1 9.8 Tf [(t )] TJ ET BT 37.296 541.578 Td /F1 8.7 Tf [(lag)] TJ ET 0.267 0.267 0.267 rg 164.473 556.520 208.576 0.750 re f 164.473 537.688 208.576 0.750 re f 164.473 537.688 0.750 19.582 re f 0.271 0.267 0.267 rg BT 169.723 546.665 Td /F1 9.8 Tf [(85.45 25.14\(55.95 123.42\))] TJ ET 0.267 0.267 0.267 rg 372.299 556.520 208.576 0.750 re f 372.299 537.688 208.576 0.750 re f 372.299 537.688 0.750 19.582 re f 580.125 537.688 0.750 19.582 re f 0.271 0.267 0.267 rg BT 377.549 546.665 Td /F1 9.8 Tf [(80.74 17.33\(56.31 109.05\))] TJ ET BT 26.250 490.289 Td /F4 9.8 Tf [(Table 2)] TJ ET BT 59.849 490.289 Td /F4 8.7 Tf [(:)] TJ ET BT 62.735 494.177 Td /F1 8.7 Tf [( 13 )] TJ ET BT 77.191 490.289 Td /F1 9.8 Tf [( C-sodium octanoate breath test results; values are given as mean SD; range \(min-max\) in brackets, )] TJ ET BT 26.250 478.384 Td /F1 9.8 Tf [(Abbreviations: PDR )] TJ ET BT 114.029 476.320 Td /F1 8.7 Tf [(max)] TJ ET BT 130.401 478.384 Td /F1 9.8 Tf [( for the maximum amount of )] TJ ET BT 254.489 482.272 Td /F1 8.7 Tf [(13)] TJ ET BT 264.126 478.384 Td /F1 9.8 Tf [( CO )] TJ ET BT 284.172 476.320 Td /F1 8.7 Tf [(2)] TJ ET BT 288.991 478.384 Td /F1 9.8 Tf [( -excretion reached during testing time [%]; cPDR cumulative )] TJ ET BT 26.250 466.479 Td /F1 9.8 Tf [(exhaled )] TJ ET BT 63.105 470.368 Td /F1 8.7 Tf [(13)] TJ ET BT 72.742 466.479 Td /F1 9.8 Tf [( CO )] TJ ET BT 92.788 464.415 Td /F1 8.7 Tf [(2)] TJ ET BT 97.607 466.479 Td /F1 9.8 Tf [( \(cPDR [%]\) after 240 minutes; GEC gastric emptying coefficient; t )] TJ ET BT 392.925 464.415 Td /F1 8.7 Tf [(peak)] TJ ET BT 411.714 466.479 Td /F1 9.8 Tf [( time to highest exhaled )] TJ ET BT 525.526 470.368 Td /F1 8.7 Tf [(13)] TJ ET BT 535.163 466.479 Td /F1 9.8 Tf [( CO )] TJ ET BT 555.209 464.415 Td /F1 8.7 Tf [(2)] TJ ET BT 26.250 454.575 Td /F1 9.8 Tf [(value [min]; t )] TJ ET BT 84.233 452.510 Td /F1 8.7 Tf [(50)] TJ ET BT 93.871 454.575 Td /F1 9.8 Tf [( half gastric emptying time [min]; t )] TJ ET BT 249.929 452.510 Td /F1 8.7 Tf [(lag)] TJ ET BT 261.490 454.575 Td /F1 9.8 Tf [( Lag phase [min]. * significant differences.)] TJ ET 0.965 0.965 0.965 rg 26.250 251.575 555.000 193.119 re f 0.267 0.267 0.267 rg 0.267 0.267 0.267 RG 26.250 444.694 m 581.250 444.694 l 581.250 443.944 l 26.250 443.944 l f 26.250 251.575 m 581.250 251.575 l 581.250 252.325 l 26.250 252.325 l f q 112.500 0 0 112.500 35.250 322.444 cm /I3 Do Q q 35.250 262.825 537.000 53.619 re W n 0.271 0.267 0.267 rg BT 35.250 306.920 Td /F4 9.8 Tf [(Fig. 1: Gastric emptying of solids measured by 13 C sodium octanoate breath test presented as individual lag )] TJ ET BT 35.250 295.015 Td /F4 9.8 Tf [(phase \(tl ag \) and gastric half emptying time \(t50\) in 11 HD participants \(controls not shown\). The normal t 50 range )] TJ ET BT 35.250 283.110 Td /F4 9.8 Tf [(reported from literature \(<200 min\) is shown by the dotted line. A normal t lag range is reported to be below 130 )] TJ ET BT 35.250 271.206 Td /F4 9.8 Tf [(min. [24])] TJ ET Q BT 26.250 234.551 Td /F1 9.8 Tf [(Gastroparesis Cardinal Symptom Index \(GCSI\) was 0.3855 \(SEM 0.48; range 0 1.28\) and Short-Form Leeds Dyspepsia )] TJ ET BT 26.250 222.646 Td /F1 9.8 Tf [(Questionnaire \(SF-LDQ\) was 0.8182 \(SEM 1.83; range 0 6\) for HD participants. Thus, both questionnaire results were in )] TJ ET BT 26.250 210.741 Td /F1 9.8 Tf [(line with published data from healthy controls, without clinical evidence of gastroparesis or dyspepsia. )] TJ ET 0.267 0.267 0.267 rg BT 466.267 210.741 Td /F1 9.8 Tf [([38])] TJ ET BT 482.530 210.741 Td /F1 9.8 Tf [([39])] TJ ET 0.271 0.267 0.267 rg BT 498.793 210.741 Td /F1 9.8 Tf [( GCSI was 0.3027 )] TJ ET BT 26.250 198.837 Td /F1 9.8 Tf [(\(SEM 0.30; range 0 0.83\) and SF-LDQ was 2.273 \(SEM 2.195; range 0 7\) for controls. Differences were not significant )] TJ ET BT 26.250 186.932 Td /F1 9.8 Tf [(\(data not shown\).)] TJ ET BT 26.250 167.527 Td /F1 9.8 Tf [(Explorative correlation analysis of breath test results given in table 2 with clinical symptoms from table 1 showed no significant )] TJ ET BT 26.250 155.622 Td /F1 9.8 Tf [(correlation, except for the cognitive sum score and t )] TJ ET BT 252.226 153.558 Td /F1 8.7 Tf [(50)] TJ ET BT 261.863 155.622 Td /F1 9.8 Tf [( \(p 0.018, r -.692\) and tl )] TJ ET BT 366.461 153.558 Td /F1 8.7 Tf [(ag)] TJ ET BT 376.098 155.622 Td /F1 9.8 Tf [( \(p 0.019, r -.688\), as well as for PDR )] TJ ET BT 539.742 153.558 Td /F1 8.7 Tf [(max)] TJ ET BT 556.114 155.622 Td /F1 9.8 Tf [( and )] TJ ET BT 26.250 143.718 Td /F1 9.8 Tf [(the total functional capacity \(TFC; p 0.014, r .712; no analysis of the cognitive subtests was done; see figure 2\). Especially no )] TJ ET BT 26.250 131.813 Td /F1 9.8 Tf [(correlation to motor symptoms was found.)] TJ ET 0.965 0.965 0.965 rg 26.250 46.932 555.000 75.000 re f 0.267 0.267 0.267 rg 0.267 0.267 0.267 RG 26.250 121.932 m 581.250 121.932 l 581.250 121.182 l 26.250 121.182 l f q 225.000 0 0 59.250 35.250 52.932 cm /I7 Do Q q 35.250 46.932 537.000 0.000 re W n Q Q q 15.000 46.932 577.500 730.068 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(As expected HD participants had a lower body mass index compared to controls. One HD patient had underweight with a body )] TJ ET BT 26.250 755.571 Td /F1 9.8 Tf [(mass index of 16. There were however, no significant differences between groups concerning any of the clinical data \(table 1\). )] TJ ET BT 26.250 743.667 Td /F1 9.8 Tf [(Breath test results and clinical data showed normal distribution except for gender.)] TJ ET BT 26.250 724.262 Td /F1 9.8 Tf [(Results of the )] TJ ET BT 88.572 728.150 Td /F1 8.7 Tf [(13)] TJ ET BT 98.209 724.262 Td /F1 9.8 Tf [( C-sodium octanoate breath test are given in table 2. )] TJ ET BT 327.451 728.150 Td /F1 8.7 Tf [(13)] TJ ET BT 337.089 724.262 Td /F1 9.8 Tf [( CO )] TJ ET BT 357.135 722.198 Td /F1 8.7 Tf [(2)] TJ ET BT 361.953 724.262 Td /F1 9.8 Tf [( -excretion curves \(PDR\) and the percentage of )] TJ ET BT 568.956 728.150 Td /F1 8.7 Tf [(13)] TJ ET BT 26.250 712.357 Td /F1 9.8 Tf [(CO )] TJ ET BT 43.585 710.293 Td /F1 8.7 Tf [(2)] TJ ET BT 48.404 712.357 Td /F1 9.8 Tf [( cumulative values \(cPDR\) showed normal excretion of )] TJ ET BT 287.893 716.245 Td /F1 8.7 Tf [(13)] TJ ET BT 297.531 712.357 Td /F1 9.8 Tf [( C. For PDR only PDR )] TJ ET BT 397.215 710.293 Td /F1 8.7 Tf [(max)] TJ ET BT 413.586 712.357 Td /F1 9.8 Tf [( for the maximum amount of )] TJ ET BT 537.674 716.245 Td /F1 8.7 Tf [(13)] TJ ET BT 547.312 712.357 Td /F1 9.8 Tf [( CO )] TJ ET BT 567.358 710.293 Td /F1 8.7 Tf [(2)] TJ ET BT 572.176 712.357 Td /F1 9.8 Tf [( -)] TJ ET BT 26.250 700.452 Td /F1 9.8 Tf [(excretion reached during testing time is listed in table 2. There were no significant differences compared to controls for the )] TJ ET BT 26.250 688.548 Td /F1 9.8 Tf [(values decisive for the evaluation of gastric emptying, such as PDR )] TJ ET BT 319.413 686.483 Td /F1 8.7 Tf [(max)] TJ ET BT 335.784 688.548 Td /F1 9.8 Tf [( , cPDR, GEC, t )] TJ ET BT 406.764 686.483 Td /F1 8.7 Tf [(50)] TJ ET BT 416.402 688.548 Td /F1 9.8 Tf [( \(min\) and tl )] TJ ET BT 470.582 686.483 Td /F1 8.7 Tf [(ag)] TJ ET BT 480.220 688.548 Td /F1 9.8 Tf [( \(min; see table 2\). )] TJ ET BT 26.250 676.643 Td /F1 9.8 Tf [(Compared to standard values given in literature, the most important parameters t )] TJ ET BT 377.396 674.579 Td /F1 8.7 Tf [(50)] TJ ET BT 387.034 676.643 Td /F1 9.8 Tf [( and tl )] TJ ET BT 416.303 674.579 Td /F1 8.7 Tf [(ag)] TJ ET BT 425.940 676.643 Td /F1 9.8 Tf [( were within normal range \(t )] TJ ET BT 548.937 674.579 Td /F1 8.7 Tf [(50)] TJ ET BT 558.574 676.643 Td /F1 9.8 Tf [( < )] TJ ET BT 26.250 664.738 Td /F1 9.8 Tf [(200 min and tl )] TJ ET BT 90.200 662.674 Td /F1 8.7 Tf [(ag)] TJ ET BT 99.838 664.738 Td /F1 9.8 Tf [( <130 min; no data is available in literature for GEC, cPDR and PDR )] TJ ET BT 396.520 662.674 Td /F1 8.7 Tf [(max)] TJ ET BT 412.892 664.738 Td /F1 9.8 Tf [( \) and none of the patients had )] TJ ET BT 26.250 652.833 Td /F1 9.8 Tf [(abnormal breath test results \(see figure 1\). )] TJ ET 0.267 0.267 0.267 rg BT 212.660 652.833 Td /F1 9.8 Tf [([24])] TJ ET 1.000 1.000 1.000 rg 26.250 537.313 555.000 105.640 re f 0.267 0.267 0.267 rg 26.625 641.827 138.598 0.750 re f 26.625 625.946 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 631.972 Td /F4 9.8 Tf [(OBT Parameter)] TJ ET 0.267 0.267 0.267 rg 164.473 641.827 208.576 0.750 re f 164.473 625.946 0.750 16.631 re f 0.271 0.267 0.267 rg BT 169.723 631.972 Td /F4 9.8 Tf [(Results HD)] TJ ET 0.267 0.267 0.267 rg 372.299 641.827 208.576 0.750 re f 372.299 625.946 0.750 16.631 re f 580.125 625.946 0.750 16.631 re f 0.271 0.267 0.267 rg BT 377.549 631.972 Td /F4 9.8 Tf [(Results Controls)] TJ ET 0.267 0.267 0.267 rg 26.625 625.946 138.598 0.750 re f 26.625 607.114 0.750 19.582 re f 0.271 0.267 0.267 rg BT 31.875 613.731 Td /F1 9.8 Tf [(PDR )] TJ ET BT 55.168 611.005 Td /F1 8.7 Tf [(max)] TJ ET 0.267 0.267 0.267 rg 164.473 625.946 208.576 0.750 re f 164.473 607.114 0.750 19.582 re f 0.271 0.267 0.267 rg BT 169.723 616.091 Td /F1 9.8 Tf [(9.76 2.866.32 14.18)] TJ ET 0.267 0.267 0.267 rg 372.299 625.946 208.576 0.750 re f 372.299 607.114 0.750 19.582 re f 580.125 607.114 0.750 19.582 re f 0.271 0.267 0.267 rg BT 377.549 616.091 Td /F1 9.8 Tf [(9.85 2.615.58 14.09)] TJ ET 0.267 0.267 0.267 rg 26.625 607.114 138.598 0.750 re f 26.625 591.233 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 597.259 Td /F1 9.8 Tf [(cPDR)] TJ ET 0.267 0.267 0.267 rg 164.473 607.114 208.576 0.750 re f 164.473 591.233 0.750 16.631 re f 0.271 0.267 0.267 rg BT 169.723 597.259 Td /F1 9.8 Tf [(23.64 7.92\(14.72 37.0\))] TJ ET 0.267 0.267 0.267 rg 372.299 607.114 208.576 0.750 re f 372.299 591.233 0.750 16.631 re f 580.125 591.233 0.750 16.631 re f 0.271 0.267 0.267 rg BT 377.549 597.259 Td /F1 9.8 Tf [(25.38 7.92\(15.51 34.94\))] TJ ET 0.267 0.267 0.267 rg 26.625 591.233 138.598 0.750 re f 26.625 575.352 0.750 16.631 re f 0.271 0.267 0.267 rg BT 31.875 581.378 Td /F1 9.8 Tf [(GEC)] TJ ET 0.267 0.267 0.267 rg 164.473 591.233 208.576 0.750 re f 164.473 575.352 0.750 16.631 re f 0.271 0.267 0.267 rg BT 169.723 581.378 Td /F1 9.8 Tf [(2.96 0.84\(0.95 3.77\))] TJ ET 0.267 0.267 0.267 rg 372.299 591.233 208.576 0.750 re f 372.299 575.352 0.750 16.631 re f 580.125 575.352 0.750 16.631 re f 0.271 0.267 0.267 rg BT 377.549 581.378 Td /F1 9.8 Tf [(2.89 0.36\(2.42 3.27\))] TJ ET 0.267 0.267 0.267 rg 26.625 575.352 138.598 0.750 re f 26.625 556.520 0.750 19.582 re f 0.271 0.267 0.267 rg BT 31.875 563.136 Td /F1 9.8 Tf [(t )] TJ ET BT 37.296 560.410 Td /F1 8.7 Tf [(50)] TJ ET 0.267 0.267 0.267 rg 164.473 575.352 208.576 0.750 re f 164.473 556.520 0.750 19.582 re f 0.271 0.267 0.267 rg BT 169.723 565.497 Td /F1 9.8 Tf [(129.26 38.84\(77.15 197.60\))] TJ ET 0.267 0.267 0.267 rg 372.299 575.352 208.576 0.750 re f 372.299 556.520 0.750 19.582 re f 580.125 556.520 0.750 19.582 re f 0.271 0.267 0.267 rg BT 377.549 565.497 Td /F1 9.8 Tf [(135.88 22.27\(95.74 167.47\))] TJ ET 0.267 0.267 0.267 rg 26.625 556.520 138.598 0.750 re f 26.625 537.688 138.598 0.750 re f 26.625 537.688 0.750 19.582 re f 0.271 0.267 0.267 rg BT 31.875 544.304 Td /F1 9.8 Tf [(t )] TJ ET BT 37.296 541.578 Td /F1 8.7 Tf [(lag)] TJ ET 0.267 0.267 0.267 rg 164.473 556.520 208.576 0.750 re f 164.473 537.688 208.576 0.750 re f 164.473 537.688 0.750 19.582 re f 0.271 0.267 0.267 rg BT 169.723 546.665 Td /F1 9.8 Tf [(85.45 25.14\(55.95 123.42\))] TJ ET 0.267 0.267 0.267 rg 372.299 556.520 208.576 0.750 re f 372.299 537.688 208.576 0.750 re f 372.299 537.688 0.750 19.582 re f 580.125 537.688 0.750 19.582 re f 0.271 0.267 0.267 rg BT 377.549 546.665 Td /F1 9.8 Tf [(80.74 17.33\(56.31 109.05\))] TJ ET BT 26.250 490.289 Td /F4 9.8 Tf [(Table 2)] TJ ET BT 59.849 490.289 Td /F4 8.7 Tf [(:)] TJ ET BT 62.735 494.177 Td /F1 8.7 Tf [( 13 )] TJ ET BT 77.191 490.289 Td /F1 9.8 Tf [( C-sodium octanoate breath test results; values are given as mean SD; range \(min-max\) in brackets, )] TJ ET BT 26.250 478.384 Td /F1 9.8 Tf [(Abbreviations: PDR )] TJ ET BT 114.029 476.320 Td /F1 8.7 Tf [(max)] TJ ET BT 130.401 478.384 Td /F1 9.8 Tf [( for the maximum amount of )] TJ ET BT 254.489 482.272 Td /F1 8.7 Tf [(13)] TJ ET BT 264.126 478.384 Td /F1 9.8 Tf [( CO )] TJ ET BT 284.172 476.320 Td /F1 8.7 Tf [(2)] TJ ET BT 288.991 478.384 Td /F1 9.8 Tf [( -excretion reached during testing time [%]; cPDR cumulative )] TJ ET BT 26.250 466.479 Td /F1 9.8 Tf [(exhaled )] TJ ET BT 63.105 470.368 Td /F1 8.7 Tf [(13)] TJ ET BT 72.742 466.479 Td /F1 9.8 Tf [( CO )] TJ ET BT 92.788 464.415 Td /F1 8.7 Tf [(2)] TJ ET BT 97.607 466.479 Td /F1 9.8 Tf [( \(cPDR [%]\) after 240 minutes; GEC gastric emptying coefficient; t )] TJ ET BT 392.925 464.415 Td /F1 8.7 Tf [(peak)] TJ ET BT 411.714 466.479 Td /F1 9.8 Tf [( time to highest exhaled )] TJ ET BT 525.526 470.368 Td /F1 8.7 Tf [(13)] TJ ET BT 535.163 466.479 Td /F1 9.8 Tf [( CO )] TJ ET BT 555.209 464.415 Td /F1 8.7 Tf [(2)] TJ ET BT 26.250 454.575 Td /F1 9.8 Tf [(value [min]; t )] TJ ET BT 84.233 452.510 Td /F1 8.7 Tf [(50)] TJ ET BT 93.871 454.575 Td /F1 9.8 Tf [( half gastric emptying time [min]; t )] TJ ET BT 249.929 452.510 Td /F1 8.7 Tf [(lag)] TJ ET BT 261.490 454.575 Td /F1 9.8 Tf [( Lag phase [min]. * significant differences.)] TJ ET 0.965 0.965 0.965 rg 26.250 251.575 555.000 193.119 re f 0.267 0.267 0.267 rg 0.267 0.267 0.267 RG 26.250 444.694 m 581.250 444.694 l 581.250 443.944 l 26.250 443.944 l f 26.250 251.575 m 581.250 251.575 l 581.250 252.325 l 26.250 252.325 l f q 112.500 0 0 112.500 35.250 322.444 cm /I3 Do Q q 35.250 262.825 537.000 53.619 re W n 0.271 0.267 0.267 rg BT 35.250 306.920 Td /F4 9.8 Tf [(Fig. 1: Gastric emptying of solids measured by 13 C sodium octanoate breath test presented as individual lag )] TJ ET BT 35.250 295.015 Td /F4 9.8 Tf [(phase \(tl ag \) and gastric half emptying time \(t50\) in 11 HD participants \(controls not shown\). The normal t 50 range )] TJ ET BT 35.250 283.110 Td /F4 9.8 Tf [(reported from literature \(<200 min\) is shown by the dotted line. A normal t lag range is reported to be below 130 )] TJ ET BT 35.250 271.206 Td /F4 9.8 Tf [(min. [24])] TJ ET Q BT 26.250 234.551 Td /F1 9.8 Tf [(Gastroparesis Cardinal Symptom Index \(GCSI\) was 0.3855 \(SEM 0.48; range 0 1.28\) and Short-Form Leeds Dyspepsia )] TJ ET BT 26.250 222.646 Td /F1 9.8 Tf [(Questionnaire \(SF-LDQ\) was 0.8182 \(SEM 1.83; range 0 6\) for HD participants. Thus, both questionnaire results were in )] TJ ET BT 26.250 210.741 Td /F1 9.8 Tf [(line with published data from healthy controls, without clinical evidence of gastroparesis or dyspepsia. )] TJ ET 0.267 0.267 0.267 rg BT 466.267 210.741 Td /F1 9.8 Tf [([38])] TJ ET BT 482.530 210.741 Td /F1 9.8 Tf [([39])] TJ ET 0.271 0.267 0.267 rg BT 498.793 210.741 Td /F1 9.8 Tf [( GCSI was 0.3027 )] TJ ET BT 26.250 198.837 Td /F1 9.8 Tf [(\(SEM 0.30; range 0 0.83\) and SF-LDQ was 2.273 \(SEM 2.195; range 0 7\) for controls. Differences were not significant )] TJ ET BT 26.250 186.932 Td /F1 9.8 Tf [(\(data not shown\).)] TJ ET BT 26.250 167.527 Td /F1 9.8 Tf [(Explorative correlation analysis of breath test results given in table 2 with clinical symptoms from table 1 showed no significant )] TJ ET BT 26.250 155.622 Td /F1 9.8 Tf [(correlation, except for the cognitive sum score and t )] TJ ET BT 252.226 153.558 Td /F1 8.7 Tf [(50)] TJ ET BT 261.863 155.622 Td /F1 9.8 Tf [( \(p 0.018, r -.692\) and tl )] TJ ET BT 366.461 153.558 Td /F1 8.7 Tf [(ag)] TJ ET BT 376.098 155.622 Td /F1 9.8 Tf [( \(p 0.019, r -.688\), as well as for PDR )] TJ ET BT 539.742 153.558 Td /F1 8.7 Tf [(max)] TJ ET BT 556.114 155.622 Td /F1 9.8 Tf [( and )] TJ ET BT 26.250 143.718 Td /F1 9.8 Tf [(the total functional capacity \(TFC; p 0.014, r .712; no analysis of the cognitive subtests was done; see figure 2\). 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7իW'&&44d Ρ ]<( ϹT]yy˗oݺ#lCA|FueʁGIK?j8ֺ |.gvUGY|>EJֶ6 Bu["Dkk+|45ϐN۶fnڶ=00̒СK.ݼy3aڑ힖TXѹᤸ4 1XnNB2ٶCyo8بۓ &!قC'<~~v->]__sNooo(6  l|zkkZMMΎ|oe+ vtt?[]]ݻᄏzz mAMKTka#~*<͜%EzsB˲z{{xKKKYYY0 Bϟ?g %vbff+̲ͽ|RZH3\OOO">fyyY(aYoI_JET]] lp8KxQ~ds!SC"͉y%9 cIt=F3L.K=jl>sLww| @eUUUI~Hypp0OMMٶ--b n83_sQ0CO(U>'==5H6.U+uyucdɸUvsܹ:):XK F566600 R.zaŁ 5[Ð5knhVm%D4mh݂SWgf ϰPynjsQH K-Lnyy<١Gcd|#5 <~hEsB3sjvI'U@3U|2 QYs ȃ7dcEHyV Z(hl5,De6<(e'5a:c@gu C>=zdőHR:EB/8bq8 4FP@##;4ClY^ `vjuɌ>F]rCɅ6jdbaE"O7Dae :<99,K++W..]),𗚇@]ѡN*¨0v(0vD!fɈd<X]5N%St"O Ȱq#f4EY:ՈӲ,u80`W2&i* d##H!beB$qASSS,LJR33%SyZX(4c݋㍍@`ww>E%8<<*zT#~3nfGGG^W-#+mZQ ÷=OJD#̖厏_x< J}}}X TbH$<O6mjjjnnF@)ʛ:2SbJTGkʃ̀HD?TW,kiiimm-677_t ѣ۶}>{WSSMMM%t:)V~b/^ ǕBp퍍D"|ٳgBp8>00ىvX 1#yY>O$~K3}ccclܾ}; noog2oRhL&yIR~|srrRt\"9@'#e=zhmmkvvvppI e.@p8,?i,<Ϣ#D"zJIv\>rd 5Lb1y7|>4`0d)HB!9!D(= 'ܐ7{L&a@ H$\.rS v]]]8ߗ8兩\Na˥ <ͲQ܀^͇\Vshh(tuu7B9rn:xZ[[t0lllDO~C]]]gΜ@ P(zzzUR[ATcFUYɖ)Ca3yj2 Y.ejOqfԁoPl3N-ymx@*i'3ǒnCRuRx\Z&.p 0: R#b+++}}}KJ3v~%V%i4օJre}gӢC@iH(9'd\I$)Cg\T*4<<3+po6ffJEjfqAs(Ɲ7VVV~ߵtww?td'Sd1B!w?`0XVVvubʤEB ca]FeuB iYV2bm{ޥccc/^O~"+!d&fNW b;SmRY:JylN&d2LNN9sF]ughD%`8FI̥۠%y:ԽLDrr*iG2L6M&|>d\.}>_cc#( ؎.GDLRg;, ;5J{3dBLhRKSDN{IufM3A: uB,uґ5F/㩴;Tg `粡ق66 2P68 #KPd HPj K-) )bu]/f* `N₀: M1:Ntr13yVv- endstream endobj 443 0 obj << /Type /Page /Parent 3 0 R /Annots [ 445 0 R 447 0 R 449 0 R 451 0 R 453 0 R 455 0 R 457 0 R 459 0 R 461 0 R 463 0 R 465 0 R 467 0 R 469 0 R 471 0 R 473 0 R 475 0 R 477 0 R 479 0 R 481 0 R 483 0 R 485 0 R 487 0 R 489 0 R 491 0 R 493 0 R 495 0 R 497 0 R 499 0 R 501 0 R 503 0 R 505 0 R 507 0 R 509 0 R 511 0 R 513 0 R 515 0 R 517 0 R 519 0 R 521 0 R 523 0 R 525 0 R 527 0 R 529 0 R 531 0 R 533 0 R 535 0 R 537 0 R 539 0 R 541 0 R 543 0 R 545 0 R 547 0 R 549 0 R 551 0 R 553 0 R 555 0 R 557 0 R 559 0 R 561 0 R 563 0 R 565 0 R 567 0 R 569 0 R 571 0 R 573 0 R 575 0 R 577 0 R 579 0 R 581 0 R 583 0 R 585 0 R 587 0 R 589 0 R 591 0 R 593 0 R 595 0 R 597 0 R 599 0 R 601 0 R 603 0 R 605 0 R 607 0 R 609 0 R 611 0 R ] /Contents 444 0 R >> endobj 444 0 obj << /Length 32569 >> stream q 15.000 17.214 577.500 759.786 re W n 0.965 0.965 0.965 rg 26.250 687.232 555.000 89.768 re f 0.267 0.267 0.267 rg 0.267 0.267 0.267 RG 26.250 687.232 m 581.250 687.232 l 581.250 687.982 l 26.250 687.982 l f q 35.250 698.482 537.000 78.518 re W n 0.271 0.267 0.267 rg BT 35.250 767.476 Td /F4 9.8 Tf [(Fig. 2: A strong relation can be seen between gastric emptying of solids measured by 13 C sodium octanoate )] TJ ET BT 35.250 755.571 Td /F4 9.8 Tf [(breath test)] TJ ET BT 35.250 736.201 Td /F1 9.8 Tf [(A strong relation can be seen between gastric emptying of solids measured by 13 C sodium octanoate breath test, )] TJ ET BT 35.250 722.465 Td /F1 9.8 Tf [(presented as individual t lag \(a\) and t 50 \(b\) in minutes and the cognitive sum score of the UHDRS \(t 50 p 0.018; r .692 )] TJ ET BT 35.250 708.729 Td /F1 9.8 Tf [(and t lag p 0.019; r .688\), as well as for PDR max \(c\) and total functional capacity \(TFC; p 0.014, r .712\).)] TJ ET Q BT 26.250 670.208 Td /F1 9.8 Tf [(The correlation analysis of GCSI and SF-LDQ with clinical symptoms showed no significant correlation with any of the clinical )] TJ ET BT 26.250 658.303 Td /F1 9.8 Tf [(characteristics from table 1.)] TJ ET BT 26.250 621.701 Td /F4 12.0 Tf [(Discussion)] TJ ET BT 26.250 601.746 Td /F1 9.8 Tf [(Several factors such as dysphagia, an increased motor activity, an increased metabolic rate and hypermetabolic state have )] TJ ET BT 26.250 589.842 Td /F1 9.8 Tf [(been discussed as contributing to weight loss even at early stages of HD. In addition, a recently published study also suggested )] TJ ET BT 26.250 577.937 Td /F1 9.8 Tf [(gastrointestinal tract dysfunction as a reason for weight loss in a Huntington mouse model, similar to findings for Parkinsons )] TJ ET BT 26.250 566.032 Td /F1 9.8 Tf [(disease \(PD\). )] TJ ET 0.267 0.267 0.267 rg BT 88.016 566.032 Td /F1 9.8 Tf [([14])] TJ ET BT 104.279 566.032 Td /F1 9.8 Tf [([15])] TJ ET BT 120.542 566.032 Td /F1 9.8 Tf [([21])] TJ ET 0.271 0.267 0.267 rg BT 136.805 566.032 Td /F1 9.8 Tf [( Several studies describe a delay in gastric emptying for 88% or even for up to 100% of PD patients. )] TJ ET 0.267 0.267 0.267 rg BT 26.250 554.127 Td /F1 9.8 Tf [([16])] TJ ET BT 42.513 554.127 Td /F1 9.8 Tf [([17])] TJ ET BT 58.776 554.127 Td /F1 9.8 Tf [([18])] TJ ET BT 75.039 554.127 Td /F1 9.8 Tf [([19])] TJ ET BT 91.302 554.127 Td /F1 9.8 Tf [([20])] TJ ET BT 107.565 554.127 Td /F1 9.8 Tf [([21])] TJ ET 0.271 0.267 0.267 rg BT 123.828 554.127 Td /F1 9.8 Tf [( Contrary to this, in our pilot study on HD patients did not provide any evidence of impaired gastric )] TJ ET BT 26.250 542.223 Td /F1 9.8 Tf [(emptying by using a solid meal and the )] TJ ET BT 197.499 546.111 Td /F1 8.7 Tf [(13)] TJ ET BT 207.136 542.223 Td /F1 9.8 Tf [( C-sodium octanoate breath test. There were no significant differences compared to )] TJ ET BT 26.250 530.318 Td /F1 9.8 Tf [(controls and also compared to standard values given in literature all parameters were within normal range. In addition, we had )] TJ ET BT 26.250 518.413 Td /F1 9.8 Tf [(no clinical evidence of gastroparesis or dyspepsia symptoms by using the Gastroparesis Cardinal Symptom Index and Short-)] TJ ET BT 26.250 506.508 Td /F1 9.8 Tf [(Form Leeds Dyspepsia Questionnaire in our cohort. Thus, our data contrast with data for PD, but also with data for HD mice.)] TJ ET BT 26.250 487.104 Td /F1 9.8 Tf [(As a possible explanation, gastric emptying may only contribute to weight loss more severe stages of HD. R6/2 HD mice usually )] TJ ET BT 26.250 475.199 Td /F1 9.8 Tf [(show a very rapid course of the disease. A recent published study investigating the GI tract in a R6/2 mice model carrying a )] TJ ET BT 26.250 463.294 Td /F1 9.8 Tf [(mean of 204 CAG-repeats describes several GI abnormalities, including an increased water content in R6/2 compared to feces )] TJ ET BT 26.250 451.389 Td /F1 9.8 Tf [(in wild type mice from 8 weeks of age. The fecal output as a percentage of food intake however, was only significantly increased )] TJ ET BT 26.250 439.485 Td /F1 9.8 Tf [(at 12 weeks, but not at 8 weeks. )] TJ ET 0.267 0.267 0.267 rg BT 168.249 439.485 Td /F1 9.8 Tf [([14])] TJ ET 0.271 0.267 0.267 rg BT 184.512 439.485 Td /F1 9.8 Tf [( This indicates that the occurrence of malabsorption of nutrients plays an important role in )] TJ ET BT 26.250 427.580 Td /F1 9.8 Tf [(weight loss in HD mice only in the end stage. The study did not investigate early stages of the disease prior 8 weeks in the mice )] TJ ET BT 26.250 415.675 Td /F1 9.8 Tf [(model.)] TJ ET BT 26.250 396.270 Td /F1 9.8 Tf [(An earlier study from our group describes a high prevalence of gastritis or esophagitis as an accidental finding during PEG-)] TJ ET BT 26.250 384.366 Td /F1 9.8 Tf [(placement, as a possible indication of gastrointestinal tract dysfunction in HD patients at advanced stages of the disease. )] TJ ET 0.267 0.267 0.267 rg BT 550.303 384.366 Td /F1 9.8 Tf [([40])] TJ ET 0.271 0.267 0.267 rg BT 26.250 372.461 Td /F1 9.8 Tf [(The findings in this study were also correlated with the duration and severity of the disease, also suggesting that gastrointestinal )] TJ ET BT 26.250 360.556 Td /F1 9.8 Tf [(tract dysfunction might occur later in the course of the disease. We presumed that influences from the disease itself as well as )] TJ ET BT 26.250 348.651 Td /F1 9.8 Tf [(secondary mechanisms like medication and general disability may contribute. )] TJ ET 0.267 0.267 0.267 rg BT 362.206 348.651 Td /F1 9.8 Tf [([40])] TJ ET 0.271 0.267 0.267 rg BT 378.469 348.651 Td /F1 9.8 Tf [( It was also the case in this study that the )] TJ ET BT 26.250 336.747 Td /F1 9.8 Tf [(focus was not on early symptomatic patients.)] TJ ET BT 26.250 317.342 Td /F1 9.8 Tf [(To summarize, the pilot data from our study suggest that impaired gastric emptying is not an early event in HD when compared )] TJ ET BT 26.250 305.437 Td /F1 9.8 Tf [(to PD. We can not exclude that gastric emptying contributes to weight loss at more advanced stages of the disease.)] TJ ET BT 26.250 286.032 Td /F1 9.8 Tf [(Surprisingly, we found a significant correlation for the cognitive sum score und the total functional capacity of the UHDRS and )] TJ ET BT 26.250 274.128 Td /F1 9.8 Tf [(breath test results, such as t )] TJ ET BT 150.894 272.063 Td /F1 8.7 Tf [(50)] TJ ET BT 160.531 274.128 Td /F1 9.8 Tf [( \(47.8% of variance\), tl )] TJ ET BT 260.781 272.063 Td /F1 8.7 Tf [(ag)] TJ ET BT 270.418 274.128 Td /F1 9.8 Tf [( \(47.4% of variance\) and PDR )] TJ ET BT 402.638 272.063 Td /F1 8.7 Tf [(max)] TJ ET BT 419.009 274.128 Td /F1 9.8 Tf [( which usually shows the most )] TJ ET BT 26.250 262.223 Td /F1 9.8 Tf [(precise quantification \(50.6% of variance; see figure 2\). This was not expected, since OBT results were within normal range. )] TJ ET BT 26.250 250.318 Td /F1 9.8 Tf [(Cognitive decline, however, is a very early event in the course of HD. )] TJ ET 0.267 0.267 0.267 rg BT 326.452 250.318 Td /F1 9.8 Tf [([41])] TJ ET 0.271 0.267 0.267 rg BT 342.715 250.318 Td /F1 9.8 Tf [( In fact the cognitive sum score from our HD )] TJ ET BT 26.250 238.413 Td /F1 9.8 Tf [(participants showed a broad range from 98-346 points with a mean of 195.1 points indicating a cognitive impairment in most of )] TJ ET BT 26.250 226.509 Td /F1 9.8 Tf [(the patients. It is well known that the performance in UHDRS cognitive tests declined during disease progression, as did the )] TJ ET BT 26.250 214.604 Td /F1 9.8 Tf [(functional capacity \(TFC\), which is highly dependent on cognitive tasks. )] TJ ET 0.267 0.267 0.267 rg BT 337.295 214.604 Td /F1 9.8 Tf [([42])] TJ ET BT 353.558 214.604 Td /F1 9.8 Tf [([43])] TJ ET 0.271 0.267 0.267 rg BT 369.820 214.604 Td /F1 9.8 Tf [( A decrement in mitochondrial function is )] TJ ET BT 26.250 202.699 Td /F1 9.8 Tf [(discussed as contributing to age-dependent functional deficits in neurons and myocytes in normal aging and other neurological )] TJ ET BT 26.250 190.794 Td /F1 9.8 Tf [(disorders, such as Alzheimers disease, accompanied with a cognitive decline. )] TJ ET 0.267 0.267 0.267 rg BT 366.545 190.794 Td /F1 9.8 Tf [([44])] TJ ET BT 382.808 190.794 Td /F1 9.8 Tf [([45])] TJ ET BT 399.070 190.794 Td /F1 9.8 Tf [([46])] TJ ET 0.271 0.267 0.267 rg BT 415.333 190.794 Td /F1 9.8 Tf [( Mitochondrial dysfunction is well )] TJ ET BT 26.250 178.890 Td /F1 9.8 Tf [(known in HD and seems to be a relevant and early feature in the pathology. )] TJ ET 0.267 0.267 0.267 rg BT 354.669 178.890 Td /F1 9.8 Tf [([47])] TJ ET BT 370.932 178.890 Td /F1 9.8 Tf [([48])] TJ ET BT 387.195 178.890 Td /F1 9.8 Tf [([49])] TJ ET 0.271 0.267 0.267 rg BT 403.458 178.890 Td /F1 9.8 Tf [( Mutant htt \(mtHtt\) tends to aggregate in )] TJ ET BT 26.250 166.985 Td /F1 9.8 Tf [(cytoplasm and nucleus of neurons as well as non-neuronal tissues including the liver. )] TJ ET 0.267 0.267 0.267 rg BT 396.370 166.985 Td /F1 9.8 Tf [([50])] TJ ET BT 412.633 166.985 Td /F1 9.8 Tf [([51])] TJ ET BT 428.896 166.985 Td /F1 9.8 Tf [([52])] TJ ET BT 445.159 166.985 Td /F1 9.8 Tf [([53])] TJ ET BT 461.422 166.985 Td /F1 9.8 Tf [([54])] TJ ET BT 477.685 166.985 Td /F1 9.8 Tf [([55])] TJ ET 0.271 0.267 0.267 rg BT 493.948 166.985 Td /F1 9.8 Tf [( Within the )] TJ ET BT 26.250 155.080 Td /F1 9.8 Tf [(mitochondria, octanoic acid undergoes b-oxidation. Octanic acid generates acetyl coenzyme A which enters the Krebs cycle )] TJ ET BT 26.250 143.175 Td /F1 9.8 Tf [(and is oxidized to CO )] TJ ET BT 121.624 141.111 Td /F1 8.7 Tf [(2)] TJ ET BT 126.443 143.175 Td /F1 9.8 Tf [( . Therefore breath tests based on octanoate, usually used to assess gastric emptying, should also )] TJ ET BT 26.250 131.271 Td /F1 9.8 Tf [(reflect mitochondrial function. )] TJ ET 0.267 0.267 0.267 rg BT 155.759 131.271 Td /F1 9.8 Tf [([56])] TJ ET 0.271 0.267 0.267 rg BT 172.022 131.271 Td /F1 9.8 Tf [( Thus, one can speculate that a correlation of OBT results with results of cognitive tasks might )] TJ ET BT 26.250 119.366 Td /F1 9.8 Tf [(reflect a parallel decline in cognitive and mitochondrial function.)] TJ ET BT 26.250 99.961 Td /F1 9.8 Tf [(To our knowledge this is the first study dealing with gastrointestinal track dysfunction in HD in vivo. A limitation of our study is )] TJ ET BT 26.250 88.056 Td /F1 9.8 Tf [(the relative small number of participants. To exclude drug effects we only included patients without any medication and without )] TJ ET BT 26.250 76.152 Td /F1 9.8 Tf [(serious comorbidities. On the other hand, due to the fact that this is a very rare group of patients it is a strength of our study that )] TJ ET BT 26.250 64.247 Td /F1 9.8 Tf [(we can exclude medication effects.)] TJ ET Q q 15.000 17.214 577.500 759.786 re W n 0.965 0.965 0.965 rg 26.250 687.232 555.000 89.768 re f 0.267 0.267 0.267 rg 0.267 0.267 0.267 RG 26.250 687.232 m 581.250 687.232 l 581.250 687.982 l 26.250 687.982 l f q 35.250 698.482 537.000 78.518 re W n 0.271 0.267 0.267 rg BT 35.250 767.476 Td /F4 9.8 Tf [(Fig. 2: A strong relation can be seen between gastric emptying of solids measured by 13 C sodium octanoate )] TJ ET BT 35.250 755.571 Td /F4 9.8 Tf [(breath test)] TJ ET BT 35.250 736.201 Td /F1 9.8 Tf [(A strong relation can be seen between gastric emptying of solids measured by 13 C sodium octanoate breath test, )] TJ ET BT 35.250 722.465 Td /F1 9.8 Tf [(presented as individual t lag \(a\) and t 50 \(b\) in minutes and the cognitive sum score of the UHDRS \(t 50 p 0.018; r .692 )] TJ ET BT 35.250 708.729 Td /F1 9.8 Tf [(and t lag p 0.019; r .688\), as well as for PDR max \(c\) and total functional capacity \(TFC; p 0.014, r .712\).)] TJ ET Q BT 26.250 670.208 Td /F1 9.8 Tf [(The correlation analysis of GCSI and SF-LDQ with clinical symptoms showed no significant correlation with any of the clinical )] TJ ET BT 26.250 658.303 Td /F1 9.8 Tf [(characteristics from table 1.)] TJ ET BT 26.250 621.701 Td /F4 12.0 Tf [(Discussion)] TJ ET BT 26.250 601.746 Td /F1 9.8 Tf [(Several factors such as dysphagia, an increased motor activity, an increased metabolic rate and hypermetabolic state have )] TJ ET BT 26.250 589.842 Td /F1 9.8 Tf [(been discussed as contributing to weight loss even at early stages of HD. In addition, a recently published study also suggested )] TJ ET BT 26.250 577.937 Td /F1 9.8 Tf [(gastrointestinal tract dysfunction as a reason for weight loss in a Huntington mouse model, similar to findings for Parkinsons )] TJ ET BT 26.250 566.032 Td /F1 9.8 Tf [(disease \(PD\). )] TJ ET 0.267 0.267 0.267 rg BT 88.016 566.032 Td /F1 9.8 Tf [([14])] TJ ET BT 104.279 566.032 Td /F1 9.8 Tf [([15])] TJ ET BT 120.542 566.032 Td /F1 9.8 Tf [([21])] TJ ET 0.271 0.267 0.267 rg BT 136.805 566.032 Td /F1 9.8 Tf [( Several studies describe a delay in gastric emptying for 88% or even for up to 100% of PD patients. )] TJ ET 0.267 0.267 0.267 rg BT 26.250 554.127 Td /F1 9.8 Tf [([16])] TJ ET BT 42.513 554.127 Td /F1 9.8 Tf [([17])] TJ ET BT 58.776 554.127 Td /F1 9.8 Tf [([18])] TJ ET BT 75.039 554.127 Td /F1 9.8 Tf [([19])] TJ ET BT 91.302 554.127 Td /F1 9.8 Tf [([20])] TJ ET BT 107.565 554.127 Td /F1 9.8 Tf [([21])] TJ ET 0.271 0.267 0.267 rg BT 123.828 554.127 Td /F1 9.8 Tf [( Contrary to this, in our pilot study on HD patients did not provide any evidence of impaired gastric )] TJ ET BT 26.250 542.223 Td /F1 9.8 Tf [(emptying by using a solid meal and the )] TJ ET BT 197.499 546.111 Td /F1 8.7 Tf [(13)] TJ ET BT 207.136 542.223 Td /F1 9.8 Tf [( C-sodium octanoate breath test. There were no significant differences compared to )] TJ ET BT 26.250 530.318 Td /F1 9.8 Tf [(controls and also compared to standard values given in literature all parameters were within normal range. In addition, we had )] TJ ET BT 26.250 518.413 Td /F1 9.8 Tf [(no clinical evidence of gastroparesis or dyspepsia symptoms by using the Gastroparesis Cardinal Symptom Index and Short-)] TJ ET BT 26.250 506.508 Td /F1 9.8 Tf [(Form Leeds Dyspepsia Questionnaire in our cohort. Thus, our data contrast with data for PD, but also with data for HD mice.)] TJ ET BT 26.250 487.104 Td /F1 9.8 Tf [(As a possible explanation, gastric emptying may only contribute to weight loss more severe stages of HD. R6/2 HD mice usually )] TJ ET BT 26.250 475.199 Td /F1 9.8 Tf [(show a very rapid course of the disease. A recent published study investigating the GI tract in a R6/2 mice model carrying a )] TJ ET BT 26.250 463.294 Td /F1 9.8 Tf [(mean of 204 CAG-repeats describes several GI abnormalities, including an increased water content in R6/2 compared to feces )] TJ ET BT 26.250 451.389 Td /F1 9.8 Tf [(in wild type mice from 8 weeks of age. The fecal output as a percentage of food intake however, was only significantly increased )] TJ ET BT 26.250 439.485 Td /F1 9.8 Tf [(at 12 weeks, but not at 8 weeks. )] TJ ET 0.267 0.267 0.267 rg BT 168.249 439.485 Td /F1 9.8 Tf [([14])] TJ ET 0.271 0.267 0.267 rg BT 184.512 439.485 Td /F1 9.8 Tf [( This indicates that the occurrence of malabsorption of nutrients plays an important role in )] TJ ET BT 26.250 427.580 Td /F1 9.8 Tf [(weight loss in HD mice only in the end stage. The study did not investigate early stages of the disease prior 8 weeks in the mice )] TJ ET BT 26.250 415.675 Td /F1 9.8 Tf [(model.)] TJ ET BT 26.250 396.270 Td /F1 9.8 Tf [(An earlier study from our group describes a high prevalence of gastritis or esophagitis as an accidental finding during PEG-)] TJ ET BT 26.250 384.366 Td /F1 9.8 Tf [(placement, as a possible indication of gastrointestinal tract dysfunction in HD patients at advanced stages of the disease. )] TJ ET 0.267 0.267 0.267 rg BT 550.303 384.366 Td /F1 9.8 Tf [([40])] TJ ET 0.271 0.267 0.267 rg BT 26.250 372.461 Td /F1 9.8 Tf [(The findings in this study were also correlated with the duration and severity of the disease, also suggesting that gastrointestinal )] TJ ET BT 26.250 360.556 Td /F1 9.8 Tf [(tract dysfunction might occur later in the course of the disease. We presumed that influences from the disease itself as well as )] TJ ET BT 26.250 348.651 Td /F1 9.8 Tf [(secondary mechanisms like medication and general disability may contribute. )] TJ ET 0.267 0.267 0.267 rg BT 362.206 348.651 Td /F1 9.8 Tf [([40])] TJ ET 0.271 0.267 0.267 rg BT 378.469 348.651 Td /F1 9.8 Tf [( It was also the case in this study that the )] TJ ET BT 26.250 336.747 Td /F1 9.8 Tf [(focus was not on early symptomatic patients.)] TJ ET BT 26.250 317.342 Td /F1 9.8 Tf [(To summarize, the pilot data from our study suggest that impaired gastric emptying is not an early event in HD when compared )] TJ ET BT 26.250 305.437 Td /F1 9.8 Tf [(to PD. We can not exclude that gastric emptying contributes to weight loss at more advanced stages of the disease.)] TJ ET BT 26.250 286.032 Td /F1 9.8 Tf [(Surprisingly, we found a significant correlation for the cognitive sum score und the total functional capacity of the UHDRS and )] TJ ET BT 26.250 274.128 Td /F1 9.8 Tf [(breath test results, such as t )] TJ ET BT 150.894 272.063 Td /F1 8.7 Tf [(50)] TJ ET BT 160.531 274.128 Td /F1 9.8 Tf [( \(47.8% of variance\), tl )] TJ ET BT 260.781 272.063 Td /F1 8.7 Tf [(ag)] TJ ET BT 270.418 274.128 Td /F1 9.8 Tf [( \(47.4% of variance\) and PDR )] TJ ET BT 402.638 272.063 Td /F1 8.7 Tf [(max)] TJ ET BT 419.009 274.128 Td /F1 9.8 Tf [( which usually shows the most )] TJ ET BT 26.250 262.223 Td /F1 9.8 Tf [(precise quantification \(50.6% of variance; see figure 2\). This was not expected, since OBT results were within normal range. )] TJ ET BT 26.250 250.318 Td /F1 9.8 Tf [(Cognitive decline, however, is a very early event in the course of HD. )] TJ ET 0.267 0.267 0.267 rg BT 326.452 250.318 Td /F1 9.8 Tf [([41])] TJ ET 0.271 0.267 0.267 rg BT 342.715 250.318 Td /F1 9.8 Tf [( In fact the cognitive sum score from our HD )] TJ ET BT 26.250 238.413 Td /F1 9.8 Tf [(participants showed a broad range from 98-346 points with a mean of 195.1 points indicating a cognitive impairment in most of )] TJ ET BT 26.250 226.509 Td /F1 9.8 Tf [(the patients. It is well known that the performance in UHDRS cognitive tests declined during disease progression, as did the )] TJ ET BT 26.250 214.604 Td /F1 9.8 Tf [(functional capacity \(TFC\), which is highly dependent on cognitive tasks. )] TJ ET 0.267 0.267 0.267 rg BT 337.295 214.604 Td /F1 9.8 Tf [([42])] TJ ET BT 353.558 214.604 Td /F1 9.8 Tf [([43])] TJ ET 0.271 0.267 0.267 rg BT 369.820 214.604 Td /F1 9.8 Tf [( A decrement in mitochondrial function is )] TJ ET BT 26.250 202.699 Td /F1 9.8 Tf [(discussed as contributing to age-dependent functional deficits in neurons and myocytes in normal aging and other neurological )] TJ ET BT 26.250 190.794 Td /F1 9.8 Tf [(disorders, such as Alzheimers disease, accompanied with a cognitive decline. )] TJ ET 0.267 0.267 0.267 rg BT 366.545 190.794 Td /F1 9.8 Tf [([44])] TJ ET BT 382.808 190.794 Td /F1 9.8 Tf [([45])] TJ ET BT 399.070 190.794 Td /F1 9.8 Tf [([46])] TJ ET 0.271 0.267 0.267 rg BT 415.333 190.794 Td /F1 9.8 Tf [( Mitochondrial dysfunction is well )] TJ ET BT 26.250 178.890 Td /F1 9.8 Tf [(known in HD and seems to be a relevant and early feature in the pathology. )] TJ ET 0.267 0.267 0.267 rg BT 354.669 178.890 Td /F1 9.8 Tf [([47])] TJ ET BT 370.932 178.890 Td /F1 9.8 Tf [([48])] TJ ET BT 387.195 178.890 Td /F1 9.8 Tf [([49])] TJ ET 0.271 0.267 0.267 rg BT 403.458 178.890 Td /F1 9.8 Tf [( Mutant htt \(mtHtt\) tends to aggregate in )] TJ ET BT 26.250 166.985 Td /F1 9.8 Tf [(cytoplasm and nucleus of neurons as well as non-neuronal tissues including the liver. )] TJ ET 0.267 0.267 0.267 rg BT 396.370 166.985 Td /F1 9.8 Tf [([50])] TJ ET BT 412.633 166.985 Td /F1 9.8 Tf [([51])] TJ ET BT 428.896 166.985 Td /F1 9.8 Tf [([52])] TJ ET BT 445.159 166.985 Td /F1 9.8 Tf [([53])] TJ ET BT 461.422 166.985 Td /F1 9.8 Tf [([54])] TJ ET BT 477.685 166.985 Td /F1 9.8 Tf [([55])] TJ ET 0.271 0.267 0.267 rg BT 493.948 166.985 Td /F1 9.8 Tf [( Within the )] TJ ET BT 26.250 155.080 Td /F1 9.8 Tf [(mitochondria, octanoic acid undergoes b-oxidation. Octanic acid generates acetyl coenzyme A which enters the Krebs cycle )] TJ ET BT 26.250 143.175 Td /F1 9.8 Tf [(and is oxidized to CO )] TJ ET BT 121.624 141.111 Td /F1 8.7 Tf [(2)] TJ ET BT 126.443 143.175 Td /F1 9.8 Tf [( . Therefore breath tests based on octanoate, usually used to assess gastric emptying, should also )] TJ ET BT 26.250 131.271 Td /F1 9.8 Tf [(reflect mitochondrial function. )] TJ ET 0.267 0.267 0.267 rg BT 155.759 131.271 Td /F1 9.8 Tf [([56])] TJ ET 0.271 0.267 0.267 rg BT 172.022 131.271 Td /F1 9.8 Tf [( Thus, one can speculate that a correlation of OBT results with results of cognitive tasks might )] TJ ET BT 26.250 119.366 Td /F1 9.8 Tf [(reflect a parallel decline in cognitive and mitochondrial function.)] TJ ET BT 26.250 99.961 Td /F1 9.8 Tf [(To our knowledge this is the first study dealing with gastrointestinal track dysfunction in HD in vivo. A limitation of our study is )] TJ ET BT 26.250 88.056 Td /F1 9.8 Tf [(the relative small number of participants. To exclude drug effects we only included patients without any medication and without )] TJ ET BT 26.250 76.152 Td /F1 9.8 Tf [(serious comorbidities. On the other hand, due to the fact that this is a very rare group of patients it is a strength of our study that )] TJ ET BT 26.250 64.247 Td /F1 9.8 Tf [(we can exclude medication effects.)] TJ ET Q q 15.000 17.214 577.500 759.786 re W n 0.965 0.965 0.965 rg 26.250 687.232 555.000 89.768 re f 0.267 0.267 0.267 rg 0.267 0.267 0.267 RG 26.250 687.232 m 581.250 687.232 l 581.250 687.982 l 26.250 687.982 l f q 35.250 698.482 537.000 78.518 re W n 0.271 0.267 0.267 rg BT 35.250 767.476 Td /F4 9.8 Tf [(Fig. 2: A strong relation can be seen between gastric emptying of solids measured by 13 C sodium octanoate )] TJ ET BT 35.250 755.571 Td /F4 9.8 Tf [(breath test)] TJ ET BT 35.250 736.201 Td /F1 9.8 Tf [(A strong relation can be seen between gastric emptying of solids measured by 13 C sodium octanoate breath test, )] TJ ET BT 35.250 722.465 Td /F1 9.8 Tf [(presented as individual t lag \(a\) and t 50 \(b\) in minutes and the cognitive sum score of the UHDRS \(t 50 p 0.018; r .692 )] TJ ET BT 35.250 708.729 Td /F1 9.8 Tf [(and t lag p 0.019; r .688\), as well as for PDR max \(c\) and total functional capacity \(TFC; p 0.014, r .712\).)] TJ ET Q BT 26.250 670.208 Td /F1 9.8 Tf [(The correlation analysis of GCSI and SF-LDQ with clinical symptoms showed no significant correlation with any of the clinical )] TJ ET BT 26.250 658.303 Td /F1 9.8 Tf [(characteristics from table 1.)] TJ ET BT 26.250 621.701 Td /F4 12.0 Tf [(Discussion)] TJ ET BT 26.250 601.746 Td /F1 9.8 Tf [(Several factors such as dysphagia, an increased motor activity, an increased metabolic rate and hypermetabolic state have )] TJ ET BT 26.250 589.842 Td /F1 9.8 Tf [(been discussed as contributing to weight loss even at early stages of HD. In addition, a recently published study also suggested )] TJ ET BT 26.250 577.937 Td /F1 9.8 Tf [(gastrointestinal tract dysfunction as a reason for weight loss in a Huntington mouse model, similar to findings for Parkinsons )] TJ ET BT 26.250 566.032 Td /F1 9.8 Tf [(disease \(PD\). )] TJ ET 0.267 0.267 0.267 rg BT 88.016 566.032 Td /F1 9.8 Tf [([14])] TJ ET BT 104.279 566.032 Td /F1 9.8 Tf [([15])] TJ ET BT 120.542 566.032 Td /F1 9.8 Tf [([21])] TJ ET 0.271 0.267 0.267 rg BT 136.805 566.032 Td /F1 9.8 Tf [( Several studies describe a delay in gastric emptying for 88% or even for up to 100% of PD patients. )] TJ ET 0.267 0.267 0.267 rg BT 26.250 554.127 Td /F1 9.8 Tf [([16])] TJ ET BT 42.513 554.127 Td /F1 9.8 Tf [([17])] TJ ET BT 58.776 554.127 Td /F1 9.8 Tf [([18])] TJ ET BT 75.039 554.127 Td /F1 9.8 Tf [([19])] TJ ET BT 91.302 554.127 Td /F1 9.8 Tf [([20])] TJ ET BT 107.565 554.127 Td /F1 9.8 Tf [([21])] TJ ET 0.271 0.267 0.267 rg BT 123.828 554.127 Td /F1 9.8 Tf [( Contrary to this, in our pilot study on HD patients did not provide any evidence of impaired gastric )] TJ ET BT 26.250 542.223 Td /F1 9.8 Tf [(emptying by using a solid meal and the )] TJ ET BT 197.499 546.111 Td /F1 8.7 Tf [(13)] TJ ET BT 207.136 542.223 Td /F1 9.8 Tf [( C-sodium octanoate breath test. There were no significant differences compared to )] TJ ET BT 26.250 530.318 Td /F1 9.8 Tf [(controls and also compared to standard values given in literature all parameters were within normal range. In addition, we had )] TJ ET BT 26.250 518.413 Td /F1 9.8 Tf [(no clinical evidence of gastroparesis or dyspepsia symptoms by using the Gastroparesis Cardinal Symptom Index and Short-)] TJ ET BT 26.250 506.508 Td /F1 9.8 Tf [(Form Leeds Dyspepsia Questionnaire in our cohort. Thus, our data contrast with data for PD, but also with data for HD mice.)] TJ ET BT 26.250 487.104 Td /F1 9.8 Tf [(As a possible explanation, gastric emptying may only contribute to weight loss more severe stages of HD. R6/2 HD mice usually )] TJ ET BT 26.250 475.199 Td /F1 9.8 Tf [(show a very rapid course of the disease. A recent published study investigating the GI tract in a R6/2 mice model carrying a )] TJ ET BT 26.250 463.294 Td /F1 9.8 Tf [(mean of 204 CAG-repeats describes several GI abnormalities, including an increased water content in R6/2 compared to feces )] TJ ET BT 26.250 451.389 Td /F1 9.8 Tf [(in wild type mice from 8 weeks of age. The fecal output as a percentage of food intake however, was only significantly increased )] TJ ET BT 26.250 439.485 Td /F1 9.8 Tf [(at 12 weeks, but not at 8 weeks. )] TJ ET 0.267 0.267 0.267 rg BT 168.249 439.485 Td /F1 9.8 Tf [([14])] TJ ET 0.271 0.267 0.267 rg BT 184.512 439.485 Td /F1 9.8 Tf [( This indicates that the occurrence of malabsorption of nutrients plays an important role in )] TJ ET BT 26.250 427.580 Td /F1 9.8 Tf [(weight loss in HD mice only in the end stage. The study did not investigate early stages of the disease prior 8 weeks in the mice )] TJ ET BT 26.250 415.675 Td /F1 9.8 Tf [(model.)] TJ ET BT 26.250 396.270 Td /F1 9.8 Tf [(An earlier study from our group describes a high prevalence of gastritis or esophagitis as an accidental finding during PEG-)] TJ ET BT 26.250 384.366 Td /F1 9.8 Tf [(placement, as a possible indication of gastrointestinal tract dysfunction in HD patients at advanced stages of the disease. )] TJ ET 0.267 0.267 0.267 rg BT 550.303 384.366 Td /F1 9.8 Tf [([40])] TJ ET 0.271 0.267 0.267 rg BT 26.250 372.461 Td /F1 9.8 Tf [(The findings in this study were also correlated with the duration and severity of the disease, also suggesting that gastrointestinal )] TJ ET BT 26.250 360.556 Td /F1 9.8 Tf [(tract dysfunction might occur later in the course of the disease. We presumed that influences from the disease itself as well as )] TJ ET BT 26.250 348.651 Td /F1 9.8 Tf [(secondary mechanisms like medication and general disability may contribute. )] TJ ET 0.267 0.267 0.267 rg BT 362.206 348.651 Td /F1 9.8 Tf [([40])] TJ ET 0.271 0.267 0.267 rg BT 378.469 348.651 Td /F1 9.8 Tf [( It was also the case in this study that the )] TJ ET BT 26.250 336.747 Td /F1 9.8 Tf [(focus was not on early symptomatic patients.)] TJ ET BT 26.250 317.342 Td /F1 9.8 Tf [(To summarize, the pilot data from our study suggest that impaired gastric emptying is not an early event in HD when compared )] TJ ET BT 26.250 305.437 Td /F1 9.8 Tf [(to PD. We can not exclude that gastric emptying contributes to weight loss at more advanced stages of the disease.)] TJ ET BT 26.250 286.032 Td /F1 9.8 Tf [(Surprisingly, we found a significant correlation for the cognitive sum score und the total functional capacity of the UHDRS and )] TJ ET BT 26.250 274.128 Td /F1 9.8 Tf [(breath test results, such as t )] TJ ET BT 150.894 272.063 Td /F1 8.7 Tf [(50)] TJ ET BT 160.531 274.128 Td /F1 9.8 Tf [( \(47.8% of variance\), tl )] TJ ET BT 260.781 272.063 Td /F1 8.7 Tf [(ag)] TJ ET BT 270.418 274.128 Td /F1 9.8 Tf [( \(47.4% of variance\) and PDR )] TJ ET BT 402.638 272.063 Td /F1 8.7 Tf [(max)] TJ ET BT 419.009 274.128 Td /F1 9.8 Tf [( which usually shows the most )] TJ ET BT 26.250 262.223 Td /F1 9.8 Tf [(precise quantification \(50.6% of variance; see figure 2\). This was not expected, since OBT results were within normal range. )] TJ ET BT 26.250 250.318 Td /F1 9.8 Tf [(Cognitive decline, however, is a very early event in the course of HD. )] TJ ET 0.267 0.267 0.267 rg BT 326.452 250.318 Td /F1 9.8 Tf [([41])] TJ ET 0.271 0.267 0.267 rg BT 342.715 250.318 Td /F1 9.8 Tf [( In fact the cognitive sum score from our HD )] TJ ET BT 26.250 238.413 Td /F1 9.8 Tf [(participants showed a broad range from 98-346 points with a mean of 195.1 points indicating a cognitive impairment in most of )] TJ ET BT 26.250 226.509 Td /F1 9.8 Tf [(the patients. It is well known that the performance in UHDRS cognitive tests declined during disease progression, as did the )] TJ ET BT 26.250 214.604 Td /F1 9.8 Tf [(functional capacity \(TFC\), which is highly dependent on cognitive tasks. )] TJ ET 0.267 0.267 0.267 rg BT 337.295 214.604 Td /F1 9.8 Tf [([42])] TJ ET BT 353.558 214.604 Td /F1 9.8 Tf [([43])] TJ ET 0.271 0.267 0.267 rg BT 369.820 214.604 Td /F1 9.8 Tf [( A decrement in mitochondrial function is )] TJ ET BT 26.250 202.699 Td /F1 9.8 Tf [(discussed as contributing to age-dependent functional deficits in neurons and myocytes in normal aging and other neurological )] TJ ET BT 26.250 190.794 Td /F1 9.8 Tf [(disorders, such as Alzheimers disease, accompanied with a cognitive decline. )] TJ ET 0.267 0.267 0.267 rg BT 366.545 190.794 Td /F1 9.8 Tf [([44])] TJ ET BT 382.808 190.794 Td /F1 9.8 Tf [([45])] TJ ET BT 399.070 190.794 Td /F1 9.8 Tf [([46])] TJ ET 0.271 0.267 0.267 rg BT 415.333 190.794 Td /F1 9.8 Tf [( Mitochondrial dysfunction is well )] TJ ET BT 26.250 178.890 Td /F1 9.8 Tf [(known in HD and seems to be a relevant and early feature in the pathology. )] TJ ET 0.267 0.267 0.267 rg BT 354.669 178.890 Td /F1 9.8 Tf [([47])] TJ ET BT 370.932 178.890 Td /F1 9.8 Tf [([48])] TJ ET BT 387.195 178.890 Td /F1 9.8 Tf [([49])] TJ ET 0.271 0.267 0.267 rg BT 403.458 178.890 Td /F1 9.8 Tf [( Mutant htt \(mtHtt\) tends to aggregate in )] TJ ET BT 26.250 166.985 Td /F1 9.8 Tf [(cytoplasm and nucleus of neurons as well as non-neuronal tissues including the liver. )] TJ ET 0.267 0.267 0.267 rg BT 396.370 166.985 Td /F1 9.8 Tf [([50])] TJ ET BT 412.633 166.985 Td /F1 9.8 Tf [([51])] TJ ET BT 428.896 166.985 Td /F1 9.8 Tf [([52])] TJ ET BT 445.159 166.985 Td /F1 9.8 Tf [([53])] TJ ET BT 461.422 166.985 Td /F1 9.8 Tf [([54])] TJ ET BT 477.685 166.985 Td /F1 9.8 Tf [([55])] TJ ET 0.271 0.267 0.267 rg BT 493.948 166.985 Td /F1 9.8 Tf [( Within the )] TJ ET BT 26.250 155.080 Td /F1 9.8 Tf [(mitochondria, octanoic acid undergoes b-oxidation. Octanic acid generates acetyl coenzyme A which enters the Krebs cycle )] TJ ET BT 26.250 143.175 Td /F1 9.8 Tf [(and is oxidized to CO )] TJ ET BT 121.624 141.111 Td /F1 8.7 Tf [(2)] TJ ET BT 126.443 143.175 Td /F1 9.8 Tf [( . Therefore breath tests based on octanoate, usually used to assess gastric emptying, should also )] TJ ET BT 26.250 131.271 Td /F1 9.8 Tf [(reflect mitochondrial function. )] TJ ET 0.267 0.267 0.267 rg BT 155.759 131.271 Td /F1 9.8 Tf [([56])] TJ ET 0.271 0.267 0.267 rg BT 172.022 131.271 Td /F1 9.8 Tf [( Thus, one can speculate that a correlation of OBT results with results of cognitive tasks might )] TJ ET BT 26.250 119.366 Td /F1 9.8 Tf [(reflect a parallel decline in cognitive and mitochondrial function.)] TJ ET BT 26.250 99.961 Td /F1 9.8 Tf [(To our knowledge this is the first study dealing with gastrointestinal track dysfunction in HD in vivo. A limitation of our study is )] TJ ET BT 26.250 88.056 Td /F1 9.8 Tf [(the relative small number of participants. To exclude drug effects we only included patients without any medication and without )] TJ ET BT 26.250 76.152 Td /F1 9.8 Tf [(serious comorbidities. On the other hand, due to the fact that this is a very rare group of patients it is a strength of our study that )] TJ ET BT 26.250 64.247 Td /F1 9.8 Tf [(we can exclude medication effects.)] TJ ET Q q 0.000 0.000 0.000 rg BT 291.710 19.825 Td /F1 11.0 Tf [(5)] TJ ET BT 25.000 19.825 Td /F1 11.0 Tf [(PLOS Currents Huntington Disease)] TJ ET Q endstream endobj 445 0 obj << /Type /Annot /Subtype /Link /A 446 0 R /Border [0 0 0] /H /I /Rect [ 88.0162 565.1303 104.2793 575.0509 ] >> endobj 446 0 obj << /Type /Action >> endobj 447 0 obj << /Type /Annot /Subtype /Link /A 448 0 R /Border [0 0 0] /H /I /Rect [ 104.2793 565.1303 120.5423 575.0509 ] >> endobj 448 0 obj << /Type /Action >> endobj 449 0 obj << /Type /Annot /Subtype /Link /A 450 0 R /Border [0 0 0] /H /I /Rect [ 120.5423 565.1303 136.8053 575.0509 ] >> endobj 450 0 obj << /Type /Action >> endobj 451 0 obj << /Type /Annot /Subtype /Link /A 452 0 R /Border [0 0 0] /H /I /Rect [ 26.2500 553.2256 42.5130 563.1462 ] >> endobj 452 0 obj 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patients for participation.)] TJ ET BT 26.250 588.108 Td /F4 12.0 Tf [(References)] TJ ET BT 26.250 560.654 Td /F1 9.8 Tf [(1.)] TJ ET BT 38.132 560.654 Td /F1 9.8 Tf [(Djousse L, Knowlton B, Cupples LA, Marder K, Shoulson I, Myers RH. 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Exp Neurol 2008;210:691-698.)] TJ ET BT 26.250 435.416 Td /F1 9.8 Tf [(5.)] TJ ET BT 38.132 435.416 Td /F1 9.8 Tf [(Mochel F, Charles P, Seguin F, et al. Early energy deficit in Huntington disease: identification of a plasma biomarker )] TJ ET BT 26.250 423.511 Td /F1 9.8 Tf [(traceable during disease progression. PLoS One 2007;2:e647.)] TJ ET BT 26.250 404.106 Td /F1 9.8 Tf [(6.)] TJ ET BT 38.132 404.106 Td /F1 9.8 Tf [(Hamilton JM, Wolfson T, Peavy GM, Jacobson MW, Corey-Bloom J. Rate and correlates of weight change in Huntington's )] TJ ET BT 26.250 392.202 Td /F1 9.8 Tf [(disease. J Neurol Neurosurg Psychiatry 2004;75:209-212.)] TJ ET BT 26.250 372.797 Td /F1 9.8 Tf [(7.)] TJ ET BT 38.132 372.797 Td /F1 9.8 Tf [(Nance MA, Sanders G. Characteristics of individuals with Huntington disease in long-term care. Mov Disord 1996;11:542-548.)] TJ ET BT 26.250 353.392 Td /F1 9.8 Tf [(8.)] TJ ET BT 38.132 353.392 Td /F1 9.8 Tf [(Gaba AM, Zhang K, Marder K, Moskowitz CB, Werner P, Boozer CN. Energy balance in early-stage Huntington disease. Am )] TJ ET BT 26.250 341.487 Td /F1 9.8 Tf [(J Clin Nutr 2005;81:1335-1341.)] TJ ET BT 26.250 322.083 Td /F1 9.8 Tf [(9.)] TJ ET BT 38.132 322.083 Td /F1 9.8 Tf [(Mahant N, McCusker EA, Byth K, Graham S. Huntington's disease: clinical correlates of disability and progression. )] TJ ET BT 26.250 310.178 Td /F1 9.8 Tf [(Neurology 2003;61:1085-1092.)] TJ ET BT 26.250 290.773 Td /F1 9.8 Tf [(10.)] TJ ET BT 43.553 290.773 Td /F1 9.8 Tf [(Pratley RE, Salbe AD, Ravussin E, Caviness JN. Higher sedentary energy expenditure in patients with Huntington's )] TJ ET BT 26.250 278.868 Td /F1 9.8 Tf [(disease. Ann Neurol 2000;47:64-70.)] TJ ET BT 26.250 259.464 Td /F1 9.8 Tf [(11.)] TJ ET BT 43.553 259.464 Td /F1 9.8 Tf [(van der Burg JM, Bacos K, Wood NI, et al. Increased metabolism in the R6/2 mouse model of Huntington's disease. )] TJ ET BT 26.250 247.559 Td /F1 9.8 Tf [(Neurobiol Dis 2008;29:41-51.)] TJ ET BT 26.250 228.154 Td /F1 9.8 Tf [(12.)] TJ ET BT 43.553 228.154 Td /F1 9.8 Tf [(Weydt P, Pineda VV, Torrence AE, et al. Thermoregulatory and metabolic defects in Huntington's disease transgenic mice )] TJ ET BT 26.250 216.249 Td /F1 9.8 Tf [(implicate PGC-1alpha in Huntington's disease neurodegeneration. Cell Metab 2006;4:349-362.)] TJ ET BT 26.250 196.845 Td /F1 9.8 Tf [(13.)] TJ ET BT 43.553 196.845 Td /F1 9.8 Tf [(Aziz NA, van der Burg JM, Landwehrmeyer GB, Brundin P, Stijnen T, Roos RA. Weight loss in Huntington disease )] TJ ET BT 26.250 184.940 Td /F1 9.8 Tf [(increases with higher CAG repeat number. Neurology 2008;71:1506-1513.)] TJ ET BT 26.250 165.535 Td /F1 9.8 Tf [(14.)] TJ ET BT 43.553 165.535 Td /F1 9.8 Tf [(van der Burg JM, Winqvist A, Aziz NA, et al. Gastrointestinal dysfunction contributes to weight loss in Huntington's disease )] TJ ET BT 26.250 153.630 Td /F1 9.8 Tf [(mice. Neurobiol Dis;44:1-8.)] TJ ET BT 26.250 134.226 Td /F1 9.8 Tf [(15.)] TJ ET BT 43.553 134.226 Td /F1 9.8 Tf [(Pfeiffer RF. Gastrointestinal dysfunction in Parkinson's disease. Parkinsonism Relat Disord;17:10-15.)] TJ ET BT 26.250 114.821 Td /F1 9.8 Tf [(16.)] TJ ET BT 43.553 114.821 Td /F1 9.8 Tf [(Goetze O, Nikodem AB, Wiezcorek J, et al. Predictors of gastric emptying in Parkinson's disease. Neurogastroenterol Motil )] TJ ET BT 26.250 102.916 Td /F1 9.8 Tf [(2006;18:369-375.)] TJ ET BT 26.250 83.511 Td /F1 9.8 Tf [(17.)] TJ ET BT 43.553 83.511 Td /F1 9.8 Tf [(Goetze O, Wieczorek J, Mueller T, Przuntek H, Schmidt WE, Woitalla D. Impaired gastric emptying of a solid test meal in )] TJ ET BT 26.250 71.607 Td /F1 9.8 Tf [(patients with Parkinson's disease using 13C-sodium octanoate breath test. Neurosci Lett 2005;375:170-173.)] TJ ET BT 26.250 52.202 Td /F1 9.8 Tf [(18.)] TJ ET BT 43.553 52.202 Td /F1 9.8 Tf [(Muller T, Erdmann C, Bremen D, et al. Impact of gastric emptying on levodopa pharmacokinetics in Parkinson disease )] TJ ET Q q 15.000 37.916 577.500 739.084 re W n 0.271 0.267 0.267 rg BT 26.250 750.278 Td /F4 12.0 Tf [(Competing interests)] TJ ET BT 26.250 730.324 Td /F1 9.8 Tf [(The authors declare that they have no competing interests.)] TJ ET BT 26.250 693.722 Td /F4 12.0 Tf [(Ethics)] TJ ET BT 26.250 673.767 Td /F1 9.8 Tf [(The local ethics committee of the university approved this study.)] TJ ET BT 26.250 637.165 Td /F4 12.0 Tf [(Acknowledgements)] TJ ET BT 26.250 617.211 Td /F1 9.8 Tf [(We are grateful to all patients for participation.)] TJ ET BT 26.250 588.108 Td /F4 12.0 Tf [(References)] TJ ET BT 26.250 560.654 Td /F1 9.8 Tf [(1.)] TJ ET BT 38.132 560.654 Td /F1 9.8 Tf [(Djousse L, Knowlton B, Cupples LA, Marder K, Shoulson I, Myers RH. Weight loss in early stage of Huntington's disease. )] TJ ET BT 26.250 548.749 Td /F1 9.8 Tf [(Neurology 2002;59:1325-1330.)] TJ ET BT 26.250 529.344 Td /F1 9.8 Tf [(2.)] TJ ET BT 38.132 529.344 Td /F1 9.8 Tf [(Sanberg PR, Fibiger HC, Mark RF. Body weight and dietary factors in Huntington's disease patients compared with matched )] TJ ET BT 26.250 517.440 Td /F1 9.8 Tf [(controls. Med J Aust 1981;1:407-409.)] TJ ET BT 26.250 498.035 Td /F1 9.8 Tf [(3.)] TJ ET BT 38.132 498.035 Td /F1 9.8 Tf [(Trejo A, Tarrats RM, Alonso ME, Boll MC, Ochoa A, Velasquez L. Assessment of the nutrition status of patients with )] TJ ET BT 26.250 486.130 Td /F1 9.8 Tf [(Huntington's disease. Nutrition 2004;20:192-196.)] TJ ET BT 26.250 466.725 Td /F1 9.8 Tf [(4.)] TJ ET BT 38.132 466.725 Td /F1 9.8 Tf [(Goodman AO, Murgatroyd PR, Medina-Gomez G, et al. The metabolic profile of early Huntington's disease--a combined )] TJ ET BT 26.250 454.821 Td /F1 9.8 Tf [(human and transgenic mouse study. Exp Neurol 2008;210:691-698.)] TJ ET BT 26.250 435.416 Td /F1 9.8 Tf [(5.)] TJ ET BT 38.132 435.416 Td /F1 9.8 Tf [(Mochel F, Charles P, Seguin F, et al. Early energy deficit in Huntington disease: identification of a plasma biomarker )] TJ ET BT 26.250 423.511 Td /F1 9.8 Tf [(traceable during disease progression. PLoS One 2007;2:e647.)] TJ ET BT 26.250 404.106 Td /F1 9.8 Tf [(6.)] TJ ET BT 38.132 404.106 Td /F1 9.8 Tf [(Hamilton JM, Wolfson T, Peavy GM, Jacobson MW, Corey-Bloom J. Rate and correlates of weight change in Huntington's )] TJ ET BT 26.250 392.202 Td /F1 9.8 Tf [(disease. J Neurol Neurosurg Psychiatry 2004;75:209-212.)] TJ ET BT 26.250 372.797 Td /F1 9.8 Tf [(7.)] TJ ET BT 38.132 372.797 Td /F1 9.8 Tf [(Nance MA, Sanders G. Characteristics of individuals with Huntington disease in long-term care. Mov Disord 1996;11:542-548.)] TJ ET BT 26.250 353.392 Td /F1 9.8 Tf [(8.)] TJ ET BT 38.132 353.392 Td /F1 9.8 Tf [(Gaba AM, Zhang K, Marder K, Moskowitz CB, Werner P, Boozer CN. Energy balance in early-stage Huntington disease. Am )] TJ ET BT 26.250 341.487 Td /F1 9.8 Tf [(J Clin Nutr 2005;81:1335-1341.)] TJ ET BT 26.250 322.083 Td /F1 9.8 Tf [(9.)] TJ ET BT 38.132 322.083 Td /F1 9.8 Tf [(Mahant N, McCusker EA, Byth K, Graham S. Huntington's disease: clinical correlates of disability and progression. )] TJ ET BT 26.250 310.178 Td /F1 9.8 Tf [(Neurology 2003;61:1085-1092.)] TJ ET BT 26.250 290.773 Td /F1 9.8 Tf [(10.)] TJ ET BT 43.553 290.773 Td /F1 9.8 Tf [(Pratley RE, Salbe AD, Ravussin E, Caviness JN. Higher sedentary energy expenditure in patients with Huntington's )] TJ ET BT 26.250 278.868 Td /F1 9.8 Tf [(disease. Ann Neurol 2000;47:64-70.)] TJ ET BT 26.250 259.464 Td /F1 9.8 Tf [(11.)] TJ ET BT 43.553 259.464 Td /F1 9.8 Tf [(van der Burg JM, Bacos K, Wood NI, et al. 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Neurosci Lett 2005;375:170-173.)] TJ ET BT 26.250 52.202 Td /F1 9.8 Tf [(18.)] TJ ET BT 43.553 52.202 Td /F1 9.8 Tf [(Muller T, Erdmann C, Bremen D, et al. Impact of gastric emptying on levodopa pharmacokinetics in Parkinson disease )] TJ ET Q q 15.000 37.916 577.500 739.084 re W n 0.271 0.267 0.267 rg BT 26.250 750.278 Td /F4 12.0 Tf [(Competing interests)] TJ ET BT 26.250 730.324 Td /F1 9.8 Tf [(The authors declare that they have no competing interests.)] TJ ET BT 26.250 693.722 Td /F4 12.0 Tf [(Ethics)] TJ ET BT 26.250 673.767 Td /F1 9.8 Tf [(The local ethics committee of the university approved this study.)] TJ ET BT 26.250 637.165 Td /F4 12.0 Tf [(Acknowledgements)] TJ ET BT 26.250 617.211 Td /F1 9.8 Tf [(We are grateful to all patients for participation.)] TJ ET BT 26.250 588.108 Td /F4 12.0 Tf [(References)] TJ ET BT 26.250 560.654 Td /F1 9.8 Tf [(1.)] TJ ET BT 38.132 560.654 Td /F1 9.8 Tf [(Djousse L, Knowlton B, Cupples LA, Marder K, Shoulson I, Myers RH. Weight loss in early stage of Huntington's disease. )] TJ ET BT 26.250 548.749 Td /F1 9.8 Tf [(Neurology 2002;59:1325-1330.)] TJ ET BT 26.250 529.344 Td /F1 9.8 Tf [(2.)] TJ ET BT 38.132 529.344 Td /F1 9.8 Tf [(Sanberg PR, Fibiger HC, Mark RF. Body weight and dietary factors in Huntington's disease patients compared with matched )] TJ ET BT 26.250 517.440 Td /F1 9.8 Tf [(controls. Med J Aust 1981;1:407-409.)] TJ ET BT 26.250 498.035 Td /F1 9.8 Tf [(3.)] TJ ET BT 38.132 498.035 Td /F1 9.8 Tf [(Trejo A, Tarrats RM, Alonso ME, Boll MC, Ochoa A, Velasquez L. Assessment of the nutrition status of patients with )] TJ ET BT 26.250 486.130 Td /F1 9.8 Tf [(Huntington's disease. Nutrition 2004;20:192-196.)] TJ ET BT 26.250 466.725 Td /F1 9.8 Tf [(4.)] TJ ET BT 38.132 466.725 Td /F1 9.8 Tf [(Goodman AO, Murgatroyd PR, Medina-Gomez G, et al. The metabolic profile of early Huntington's disease--a combined )] TJ ET BT 26.250 454.821 Td /F1 9.8 Tf [(human and transgenic mouse study. Exp Neurol 2008;210:691-698.)] TJ ET BT 26.250 435.416 Td /F1 9.8 Tf [(5.)] TJ ET BT 38.132 435.416 Td /F1 9.8 Tf [(Mochel F, Charles P, Seguin F, et al. Early energy deficit in Huntington disease: identification of a plasma biomarker )] TJ ET BT 26.250 423.511 Td /F1 9.8 Tf [(traceable during disease progression. PLoS One 2007;2:e647.)] TJ ET BT 26.250 404.106 Td /F1 9.8 Tf [(6.)] TJ ET BT 38.132 404.106 Td /F1 9.8 Tf [(Hamilton JM, Wolfson T, Peavy GM, Jacobson MW, Corey-Bloom J. Rate and correlates of weight change in Huntington's )] TJ ET BT 26.250 392.202 Td /F1 9.8 Tf [(disease. J Neurol Neurosurg Psychiatry 2004;75:209-212.)] TJ ET BT 26.250 372.797 Td /F1 9.8 Tf [(7.)] TJ ET BT 38.132 372.797 Td /F1 9.8 Tf [(Nance MA, Sanders G. Characteristics of individuals with Huntington disease in long-term care. Mov Disord 1996;11:542-548.)] TJ ET BT 26.250 353.392 Td /F1 9.8 Tf [(8.)] TJ ET BT 38.132 353.392 Td /F1 9.8 Tf [(Gaba AM, Zhang K, Marder K, Moskowitz CB, Werner P, Boozer CN. Energy balance in early-stage Huntington disease. Am )] TJ ET BT 26.250 341.487 Td /F1 9.8 Tf [(J Clin Nutr 2005;81:1335-1341.)] TJ ET BT 26.250 322.083 Td /F1 9.8 Tf [(9.)] TJ ET BT 38.132 322.083 Td /F1 9.8 Tf [(Mahant N, McCusker EA, Byth K, Graham S. Huntington's disease: clinical correlates of disability and progression. )] TJ ET BT 26.250 310.178 Td /F1 9.8 Tf [(Neurology 2003;61:1085-1092.)] TJ ET BT 26.250 290.773 Td /F1 9.8 Tf [(10.)] TJ ET BT 43.553 290.773 Td /F1 9.8 Tf [(Pratley RE, Salbe AD, Ravussin E, Caviness JN. Higher sedentary energy expenditure in patients with Huntington's )] TJ ET BT 26.250 278.868 Td /F1 9.8 Tf [(disease. Ann Neurol 2000;47:64-70.)] TJ ET BT 26.250 259.464 Td /F1 9.8 Tf [(11.)] TJ ET BT 43.553 259.464 Td /F1 9.8 Tf [(van der Burg JM, Bacos K, Wood NI, et al. 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Gastrointestinal dysfunction contributes to weight loss in Huntington's disease )] TJ ET BT 26.250 153.630 Td /F1 9.8 Tf [(mice. Neurobiol Dis;44:1-8.)] TJ ET BT 26.250 134.226 Td /F1 9.8 Tf [(15.)] TJ ET BT 43.553 134.226 Td /F1 9.8 Tf [(Pfeiffer RF. Gastrointestinal dysfunction in Parkinson's disease. Parkinsonism Relat Disord;17:10-15.)] TJ ET BT 26.250 114.821 Td /F1 9.8 Tf [(16.)] TJ ET BT 43.553 114.821 Td /F1 9.8 Tf [(Goetze O, Nikodem AB, Wiezcorek J, et al. Predictors of gastric emptying in Parkinson's disease. Neurogastroenterol Motil )] TJ ET BT 26.250 102.916 Td /F1 9.8 Tf [(2006;18:369-375.)] TJ ET BT 26.250 83.511 Td /F1 9.8 Tf [(17.)] TJ ET BT 43.553 83.511 Td /F1 9.8 Tf [(Goetze O, Wieczorek J, Mueller T, Przuntek H, Schmidt WE, Woitalla D. Impaired gastric emptying of a solid test meal in )] TJ ET BT 26.250 71.607 Td /F1 9.8 Tf [(patients with Parkinson's disease using 13C-sodium octanoate breath test. Neurosci Lett 2005;375:170-173.)] TJ ET BT 26.250 52.202 Td /F1 9.8 Tf [(18.)] TJ ET BT 43.553 52.202 Td /F1 9.8 Tf [(Muller T, Erdmann C, Bremen D, et al. Impact of gastric emptying on levodopa pharmacokinetics in Parkinson disease )] TJ ET Q q 0.000 0.000 0.000 rg BT 291.710 19.825 Td /F1 11.0 Tf [(6)] TJ ET BT 25.000 19.825 Td /F1 11.0 Tf [(PLOS Currents Huntington Disease)] TJ ET Q endstream endobj 615 0 obj << /Type /Page /Parent 3 0 R /Contents 616 0 R >> endobj 616 0 obj << /Length 21328 >> stream 0.271 0.267 0.267 rg q 15.000 37.477 577.500 739.523 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(patients. Clin Neuropharmacol 2006;29:61-67.)] TJ ET BT 26.250 748.071 Td /F1 9.8 Tf [(19.)] TJ ET BT 43.553 748.071 Td /F1 9.8 Tf [(Woitalla D, Goetze O. Treatment approaches of gastrointestinal dysfunction in Parkinson's disease, therapeutical options )] TJ ET BT 26.250 736.167 Td /F1 9.8 Tf [(and future perspectives. J Neurol Sci.)] TJ ET BT 26.250 716.762 Td /F1 9.8 Tf [(20.)] TJ ET BT 43.553 716.762 Td /F1 9.8 Tf [(Djaldetti R, Baron J, Ziv I, Melamed E. Gastric emptying in Parkinson's disease: patients with and without response )] TJ ET BT 26.250 704.857 Td /F1 9.8 Tf [(fluctuations. Neurology 1996;46:1051-1054.)] TJ ET BT 26.250 685.452 Td /F1 9.8 Tf [(21.)] TJ ET BT 43.553 685.452 Td /F1 9.8 Tf [(Pfeiffer RF. Gastrointestinal dysfunction in Parkinson's disease. Lancet Neurol 2003;2:107-116.)] TJ ET BT 26.250 666.048 Td /F1 9.8 Tf [(22.)] TJ ET BT 43.553 666.048 Td /F1 9.8 Tf [(Braak H, Del Tredici K, Rub U, de Vos RA, Jansen Steur EN, Braak E. Staging of brain pathology related to sporadic )] TJ ET BT 26.250 654.143 Td /F1 9.8 Tf [(Parkinson's disease. Neurobiol Aging 2003;24:197-211.)] TJ ET BT 26.250 634.738 Td /F1 9.8 Tf [(23.)] TJ ET BT 43.553 634.738 Td /F1 9.8 Tf [(Andrich J, Schmitz T, Saft C, et al. Autonomic nervous system function in Huntington's disease. J Neurol Neurosurg )] TJ ET BT 26.250 622.833 Td /F1 9.8 Tf [(Psychiatry 2002;72:726-731.)] TJ ET BT 26.250 603.429 Td /F1 9.8 Tf [(24.)] TJ ET BT 43.553 603.429 Td /F1 9.8 Tf [(Keller J, Franke A, Storr M, Wiedbrauck F, Schirra J. [Clinically relevant breath tests in gastroenterological diagnostics--)] TJ ET BT 26.250 591.524 Td /F1 9.8 Tf [(recommendations of the German Society for Neurogastroenterology and Motility as well as the German Society for Digestive )] TJ ET BT 26.250 579.619 Td /F1 9.8 Tf [(and Metabolic Diseases]. Z Gastroenterol 2005;43:1071-1090.)] TJ ET BT 26.250 560.214 Td /F1 9.8 Tf [(25.)] TJ ET BT 43.553 560.214 Td /F1 9.8 Tf [(Shoulson I. Huntington disease: functional capacities in patients treated with neuroleptic and antidepressant drugs. )] TJ ET BT 26.250 548.310 Td /F1 9.8 Tf [(Neurology 1981;31:1333-1335.)] TJ ET BT 26.250 528.905 Td /F1 9.8 Tf [(26.)] TJ ET BT 43.553 528.905 Td /F1 9.8 Tf [(Huntington Study Group. Unified Huntington's Disease Rating Scale: reliability and consistency. Mov Disord 1996;11:136-)] TJ ET BT 26.250 517.000 Td /F1 9.8 Tf [(142.)] TJ ET BT 26.250 497.595 Td /F1 9.8 Tf [(27.)] TJ ET BT 43.553 497.595 Td /F1 9.8 Tf [(Andrich J, Saft C, Ostholt N, Muller T. Assessment of simple movements and progression of Huntington's disease. J Neurol )] TJ ET BT 26.250 485.691 Td /F1 9.8 Tf [(Neurosurg Psychiatry 2007;78:405-407.)] TJ ET BT 26.250 466.286 Td /F1 9.8 Tf [(28.)] TJ ET BT 43.553 466.286 Td /F1 9.8 Tf [(Andrich J, Saft C, Ostholt N, Muller T. Complex movement behaviour and progression of Huntington's disease. Neurosci )] TJ ET BT 26.250 454.381 Td /F1 9.8 Tf [(Lett 2007;416:272-274.)] TJ ET BT 26.250 434.976 Td /F1 9.8 Tf [(29.)] TJ ET BT 43.553 434.976 Td /F1 9.8 Tf [(Saft C, Andrich J, Meisel NM, Przuntek H, Muller T. Assessment of simple movements reflects impairment in Huntington's )] TJ ET BT 26.250 423.072 Td /F1 9.8 Tf [(disease. Mov Disord 2006;21:1208-1212.)] TJ ET BT 26.250 403.667 Td /F1 9.8 Tf [(30.)] TJ ET BT 43.553 403.667 Td /F1 9.8 Tf [(Saft C, Andrich J, Meisel NM, Przuntek H, Muller T. Assessment of complex movements reflects dysfunction in Huntington's )] TJ ET BT 26.250 391.762 Td /F1 9.8 Tf [(disease. J Neurol 2003;250:1469-1474.)] TJ ET BT 26.250 372.357 Td /F1 9.8 Tf [(31.)] TJ ET BT 43.553 372.357 Td /F1 9.8 Tf [(Hamilton M. A rating scale for depression. J Neurol Neurosurg Psychiatry 1960;23:56-62.)] TJ ET BT 26.250 352.953 Td /F1 9.8 Tf [(32.)] TJ ET BT 43.553 352.953 Td /F1 9.8 Tf [(Beck AT, Ward CH, Mendelson M, Mock J, Erbaugh J. An inventory for measuring depression. Arch Gen Psychiatry )] TJ ET BT 26.250 341.048 Td /F1 9.8 Tf [(1961;4:561-571.)] TJ ET BT 26.250 321.643 Td /F1 9.8 Tf [(33.)] TJ ET BT 43.553 321.643 Td /F1 9.8 Tf [(Penney JB, Jr., Vonsattel JP, MacDonald ME, Gusella JF, Myers RH. CAG repeat number governs the development rate of )] TJ ET BT 26.250 309.738 Td /F1 9.8 Tf [(pathology in Huntington's disease. Ann Neurol 1997;41:689-692.)] TJ ET BT 26.250 290.334 Td /F1 9.8 Tf [(34.)] TJ ET BT 43.553 290.334 Td /F1 9.8 Tf [(Muller T, Woitalla D, Goetze O, Erdmann C. Entacapone improves absorption of a coadministered salt in patients with )] TJ ET BT 26.250 278.429 Td /F1 9.8 Tf [(Parkinson's disease. Mov Disord 2008;23:1458-1461.)] TJ ET BT 26.250 259.024 Td /F1 9.8 Tf [(35.)] TJ ET BT 43.553 259.024 Td /F1 9.8 Tf [(Ravussin E, Pahud P, Thelin-Doerner A, Arnaud MJ, Jequier E. Substrate utilization during prolonged exercise after )] TJ ET BT 26.250 247.119 Td /F1 9.8 Tf [(ingestion of 13C-glucose in obese and control subjects. Int J Obes 1980;4:235-242.)] TJ ET BT 26.250 227.715 Td /F1 9.8 Tf [(36.)] TJ ET BT 43.553 227.715 Td /F1 9.8 Tf [(Haycock GB, Schwartz GJ, Wisotsky DH. Geometric method for measuring body surface area: a height-weight formula )] TJ ET BT 26.250 215.810 Td /F1 9.8 Tf [(validated in infants, children, and adults. J Pediatr 1978;93:62-66.)] TJ ET BT 26.250 196.405 Td /F1 9.8 Tf [(37.)] TJ ET BT 43.553 196.405 Td /F1 9.8 Tf [(Ghoos YF, Maes BD, Geypens BJ, et al. Measurement of gastric emptying rate of solids by means of a carbon-labeled )] TJ ET BT 26.250 184.500 Td /F1 9.8 Tf [(octanoic acid breath test. Gastroenterology 1993;104:1640-1647.)] TJ ET BT 26.250 165.096 Td /F1 9.8 Tf [(38.)] TJ ET BT 43.553 165.096 Td /F1 9.8 Tf [(Revicki DA, Rentz AM, Dubois D, et al. Development and validation of a patient-assessed gastroparesis symptom severity )] TJ ET BT 26.250 153.191 Td /F1 9.8 Tf [(measure: the Gastroparesis Cardinal Symptom Index. Aliment Pharmacol Ther 2003;18:141-150.)] TJ ET BT 26.250 133.786 Td /F1 9.8 Tf [(39.)] TJ ET BT 43.553 133.786 Td /F1 9.8 Tf [(Fraser A, Delaney BC, Ford AC, Qume M, Moayyedi P. The Short-Form Leeds Dyspepsia Questionnaire validation study. )] TJ ET BT 26.250 121.881 Td /F1 9.8 Tf [(Aliment Pharmacol Ther 2007;25:477-486.)] TJ ET BT 26.250 102.477 Td /F1 9.8 Tf [(40.)] TJ ET BT 43.553 102.477 Td /F1 9.8 Tf [(Andrich JE, Wobben M, Klotz P, Goetze O, Saft C. Upper gastrointestinal findings in Huntington's disease: patients suffer )] TJ ET BT 26.250 90.572 Td /F1 9.8 Tf [(but do not complain. J Neural Transm 2009;116:1607-1611.)] TJ ET BT 26.250 71.167 Td /F1 9.8 Tf [(41.)] TJ ET BT 43.553 71.167 Td /F1 9.8 Tf [(Stout JC, Paulsen JS, Queller S, et al. Neurocognitive signs in prodromal Huntington disease. Neuropsychology;25:1-14.)] TJ ET BT 26.250 51.762 Td /F1 9.8 Tf [(42.)] TJ ET BT 43.553 51.762 Td /F1 9.8 Tf [(Beglinger LJ, Duff K, Allison J, et al. Cognitive change in patients with Huntington disease on the Repeatable Battery for the )] TJ ET Q q 15.000 37.477 577.500 739.523 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(patients. Clin Neuropharmacol 2006;29:61-67.)] TJ ET BT 26.250 748.071 Td /F1 9.8 Tf [(19.)] TJ ET BT 43.553 748.071 Td /F1 9.8 Tf [(Woitalla D, Goetze O. Treatment approaches of gastrointestinal dysfunction in Parkinson's disease, therapeutical options )] TJ ET BT 26.250 736.167 Td /F1 9.8 Tf [(and future perspectives. J Neurol Sci.)] TJ ET BT 26.250 716.762 Td /F1 9.8 Tf [(20.)] TJ ET BT 43.553 716.762 Td /F1 9.8 Tf [(Djaldetti R, Baron J, Ziv I, Melamed E. Gastric emptying in Parkinson's disease: patients with and without response )] TJ ET BT 26.250 704.857 Td /F1 9.8 Tf [(fluctuations. Neurology 1996;46:1051-1054.)] TJ ET BT 26.250 685.452 Td /F1 9.8 Tf [(21.)] TJ ET BT 43.553 685.452 Td /F1 9.8 Tf [(Pfeiffer RF. Gastrointestinal dysfunction in Parkinson's disease. Lancet Neurol 2003;2:107-116.)] TJ ET BT 26.250 666.048 Td /F1 9.8 Tf [(22.)] TJ ET BT 43.553 666.048 Td /F1 9.8 Tf [(Braak H, Del Tredici K, Rub U, de Vos RA, Jansen Steur EN, Braak E. Staging of brain pathology related to sporadic )] TJ ET BT 26.250 654.143 Td /F1 9.8 Tf [(Parkinson's disease. Neurobiol Aging 2003;24:197-211.)] TJ ET BT 26.250 634.738 Td /F1 9.8 Tf [(23.)] TJ ET BT 43.553 634.738 Td /F1 9.8 Tf [(Andrich J, Schmitz T, Saft C, et al. Autonomic nervous system function in Huntington's disease. J Neurol Neurosurg )] TJ ET BT 26.250 622.833 Td /F1 9.8 Tf [(Psychiatry 2002;72:726-731.)] TJ ET BT 26.250 603.429 Td /F1 9.8 Tf [(24.)] TJ ET BT 43.553 603.429 Td /F1 9.8 Tf [(Keller J, Franke A, Storr M, Wiedbrauck F, Schirra J. [Clinically relevant breath tests in gastroenterological diagnostics--)] TJ ET BT 26.250 591.524 Td /F1 9.8 Tf [(recommendations of the German Society for Neurogastroenterology and Motility as well as the German Society for Digestive )] TJ ET BT 26.250 579.619 Td /F1 9.8 Tf [(and Metabolic Diseases]. Z Gastroenterol 2005;43:1071-1090.)] TJ ET BT 26.250 560.214 Td /F1 9.8 Tf [(25.)] TJ ET BT 43.553 560.214 Td /F1 9.8 Tf [(Shoulson I. Huntington disease: functional capacities in patients treated with neuroleptic and antidepressant drugs. )] TJ ET BT 26.250 548.310 Td /F1 9.8 Tf [(Neurology 1981;31:1333-1335.)] TJ ET BT 26.250 528.905 Td /F1 9.8 Tf [(26.)] TJ ET BT 43.553 528.905 Td /F1 9.8 Tf [(Huntington Study Group. Unified Huntington's Disease Rating Scale: reliability and consistency. Mov Disord 1996;11:136-)] TJ ET BT 26.250 517.000 Td /F1 9.8 Tf [(142.)] TJ ET BT 26.250 497.595 Td /F1 9.8 Tf [(27.)] TJ ET BT 43.553 497.595 Td /F1 9.8 Tf [(Andrich J, Saft C, Ostholt N, Muller T. Assessment of simple movements and progression of Huntington's disease. J Neurol )] TJ ET BT 26.250 485.691 Td /F1 9.8 Tf [(Neurosurg Psychiatry 2007;78:405-407.)] TJ ET BT 26.250 466.286 Td /F1 9.8 Tf [(28.)] TJ ET BT 43.553 466.286 Td /F1 9.8 Tf [(Andrich J, Saft C, Ostholt N, Muller T. Complex movement behaviour and progression of Huntington's disease. Neurosci )] TJ ET BT 26.250 454.381 Td /F1 9.8 Tf [(Lett 2007;416:272-274.)] TJ ET BT 26.250 434.976 Td /F1 9.8 Tf [(29.)] TJ ET BT 43.553 434.976 Td /F1 9.8 Tf [(Saft C, Andrich J, Meisel NM, Przuntek H, Muller T. Assessment of simple movements reflects impairment in Huntington's )] TJ ET BT 26.250 423.072 Td /F1 9.8 Tf [(disease. Mov Disord 2006;21:1208-1212.)] TJ ET BT 26.250 403.667 Td /F1 9.8 Tf [(30.)] TJ ET BT 43.553 403.667 Td /F1 9.8 Tf [(Saft C, Andrich J, Meisel NM, Przuntek H, Muller T. Assessment of complex movements reflects dysfunction in Huntington's )] TJ ET BT 26.250 391.762 Td /F1 9.8 Tf [(disease. J Neurol 2003;250:1469-1474.)] TJ ET BT 26.250 372.357 Td /F1 9.8 Tf [(31.)] TJ ET BT 43.553 372.357 Td /F1 9.8 Tf [(Hamilton M. A rating scale for depression. J Neurol Neurosurg Psychiatry 1960;23:56-62.)] TJ ET BT 26.250 352.953 Td /F1 9.8 Tf [(32.)] TJ ET BT 43.553 352.953 Td /F1 9.8 Tf [(Beck AT, Ward CH, Mendelson M, Mock J, Erbaugh J. An inventory for measuring depression. Arch Gen Psychiatry )] TJ ET BT 26.250 341.048 Td /F1 9.8 Tf [(1961;4:561-571.)] TJ ET BT 26.250 321.643 Td /F1 9.8 Tf [(33.)] TJ ET BT 43.553 321.643 Td /F1 9.8 Tf [(Penney JB, Jr., Vonsattel JP, MacDonald ME, Gusella JF, Myers RH. CAG repeat number governs the development rate of )] TJ ET BT 26.250 309.738 Td /F1 9.8 Tf [(pathology in Huntington's disease. Ann Neurol 1997;41:689-692.)] TJ ET BT 26.250 290.334 Td /F1 9.8 Tf [(34.)] TJ ET BT 43.553 290.334 Td /F1 9.8 Tf [(Muller T, Woitalla D, Goetze O, Erdmann C. Entacapone improves absorption of a coadministered salt in patients with )] TJ ET BT 26.250 278.429 Td /F1 9.8 Tf [(Parkinson's disease. Mov Disord 2008;23:1458-1461.)] TJ ET BT 26.250 259.024 Td /F1 9.8 Tf [(35.)] TJ ET BT 43.553 259.024 Td /F1 9.8 Tf [(Ravussin E, Pahud P, Thelin-Doerner A, Arnaud MJ, Jequier E. Substrate utilization during prolonged exercise after )] TJ ET BT 26.250 247.119 Td /F1 9.8 Tf [(ingestion of 13C-glucose in obese and control subjects. Int J Obes 1980;4:235-242.)] TJ ET BT 26.250 227.715 Td /F1 9.8 Tf [(36.)] TJ ET BT 43.553 227.715 Td /F1 9.8 Tf [(Haycock GB, Schwartz GJ, Wisotsky DH. Geometric method for measuring body surface area: a height-weight formula )] TJ ET BT 26.250 215.810 Td /F1 9.8 Tf [(validated in infants, children, and adults. J Pediatr 1978;93:62-66.)] TJ ET BT 26.250 196.405 Td /F1 9.8 Tf [(37.)] TJ ET BT 43.553 196.405 Td /F1 9.8 Tf [(Ghoos YF, Maes BD, Geypens BJ, et al. Measurement of gastric emptying rate of solids by means of a carbon-labeled )] TJ ET BT 26.250 184.500 Td /F1 9.8 Tf [(octanoic acid breath test. Gastroenterology 1993;104:1640-1647.)] TJ ET BT 26.250 165.096 Td /F1 9.8 Tf [(38.)] TJ ET BT 43.553 165.096 Td /F1 9.8 Tf [(Revicki DA, Rentz AM, Dubois D, et al. Development and validation of a patient-assessed gastroparesis symptom severity )] TJ ET BT 26.250 153.191 Td /F1 9.8 Tf [(measure: the Gastroparesis Cardinal Symptom Index. Aliment Pharmacol Ther 2003;18:141-150.)] TJ ET BT 26.250 133.786 Td /F1 9.8 Tf [(39.)] TJ ET BT 43.553 133.786 Td /F1 9.8 Tf [(Fraser A, Delaney BC, Ford AC, Qume M, Moayyedi P. The Short-Form Leeds Dyspepsia Questionnaire validation study. )] TJ ET BT 26.250 121.881 Td /F1 9.8 Tf [(Aliment Pharmacol Ther 2007;25:477-486.)] TJ ET BT 26.250 102.477 Td /F1 9.8 Tf [(40.)] TJ ET BT 43.553 102.477 Td /F1 9.8 Tf [(Andrich JE, Wobben M, Klotz P, Goetze O, Saft C. Upper gastrointestinal findings in Huntington's disease: patients suffer )] TJ ET BT 26.250 90.572 Td /F1 9.8 Tf [(but do not complain. J Neural Transm 2009;116:1607-1611.)] TJ ET BT 26.250 71.167 Td /F1 9.8 Tf [(41.)] TJ ET BT 43.553 71.167 Td /F1 9.8 Tf [(Stout JC, Paulsen JS, Queller S, et al. Neurocognitive signs in prodromal Huntington disease. Neuropsychology;25:1-14.)] TJ ET BT 26.250 51.762 Td /F1 9.8 Tf [(42.)] TJ ET BT 43.553 51.762 Td /F1 9.8 Tf [(Beglinger LJ, Duff K, Allison J, et al. Cognitive change in patients with Huntington disease on the Repeatable Battery for the )] TJ ET Q q 15.000 37.477 577.500 739.523 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(patients. Clin Neuropharmacol 2006;29:61-67.)] TJ ET BT 26.250 748.071 Td /F1 9.8 Tf [(19.)] TJ ET BT 43.553 748.071 Td /F1 9.8 Tf [(Woitalla D, Goetze O. Treatment approaches of gastrointestinal dysfunction in Parkinson's disease, therapeutical options )] TJ ET BT 26.250 736.167 Td /F1 9.8 Tf [(and future perspectives. J Neurol Sci.)] TJ ET BT 26.250 716.762 Td /F1 9.8 Tf [(20.)] TJ ET BT 43.553 716.762 Td /F1 9.8 Tf [(Djaldetti R, Baron J, Ziv I, Melamed E. Gastric emptying in Parkinson's disease: patients with and without response )] TJ ET BT 26.250 704.857 Td /F1 9.8 Tf [(fluctuations. Neurology 1996;46:1051-1054.)] TJ ET BT 26.250 685.452 Td /F1 9.8 Tf [(21.)] TJ ET BT 43.553 685.452 Td /F1 9.8 Tf [(Pfeiffer RF. Gastrointestinal dysfunction in Parkinson's disease. Lancet Neurol 2003;2:107-116.)] TJ ET BT 26.250 666.048 Td /F1 9.8 Tf [(22.)] TJ ET BT 43.553 666.048 Td /F1 9.8 Tf [(Braak H, Del Tredici K, Rub U, de Vos RA, Jansen Steur EN, Braak E. Staging of brain pathology related to sporadic )] TJ ET BT 26.250 654.143 Td /F1 9.8 Tf [(Parkinson's disease. Neurobiol Aging 2003;24:197-211.)] TJ ET BT 26.250 634.738 Td /F1 9.8 Tf [(23.)] TJ ET BT 43.553 634.738 Td /F1 9.8 Tf [(Andrich J, Schmitz T, Saft C, et al. Autonomic nervous system function in Huntington's disease. J Neurol Neurosurg )] TJ ET BT 26.250 622.833 Td /F1 9.8 Tf [(Psychiatry 2002;72:726-731.)] TJ ET BT 26.250 603.429 Td /F1 9.8 Tf [(24.)] TJ ET BT 43.553 603.429 Td /F1 9.8 Tf [(Keller J, Franke A, Storr M, Wiedbrauck F, Schirra J. [Clinically relevant breath tests in gastroenterological diagnostics--)] TJ ET BT 26.250 591.524 Td /F1 9.8 Tf [(recommendations of the German Society for Neurogastroenterology and Motility as well as the German Society for Digestive )] TJ ET BT 26.250 579.619 Td /F1 9.8 Tf [(and Metabolic Diseases]. Z Gastroenterol 2005;43:1071-1090.)] TJ ET BT 26.250 560.214 Td /F1 9.8 Tf [(25.)] TJ ET BT 43.553 560.214 Td /F1 9.8 Tf [(Shoulson I. Huntington disease: functional capacities in patients treated with neuroleptic and antidepressant drugs. )] TJ ET BT 26.250 548.310 Td /F1 9.8 Tf [(Neurology 1981;31:1333-1335.)] TJ ET BT 26.250 528.905 Td /F1 9.8 Tf [(26.)] TJ ET BT 43.553 528.905 Td /F1 9.8 Tf [(Huntington Study Group. Unified Huntington's Disease Rating Scale: reliability and consistency. Mov Disord 1996;11:136-)] TJ ET BT 26.250 517.000 Td /F1 9.8 Tf [(142.)] TJ ET BT 26.250 497.595 Td /F1 9.8 Tf [(27.)] TJ ET BT 43.553 497.595 Td /F1 9.8 Tf [(Andrich J, Saft C, Ostholt N, Muller T. Assessment of simple movements and progression of Huntington's disease. J Neurol )] TJ ET BT 26.250 485.691 Td /F1 9.8 Tf [(Neurosurg Psychiatry 2007;78:405-407.)] TJ ET BT 26.250 466.286 Td /F1 9.8 Tf [(28.)] TJ ET BT 43.553 466.286 Td /F1 9.8 Tf [(Andrich J, Saft C, Ostholt N, Muller T. Complex movement behaviour and progression of Huntington's disease. Neurosci )] TJ ET BT 26.250 454.381 Td /F1 9.8 Tf [(Lett 2007;416:272-274.)] TJ ET BT 26.250 434.976 Td /F1 9.8 Tf [(29.)] TJ ET BT 43.553 434.976 Td /F1 9.8 Tf [(Saft C, Andrich J, Meisel NM, Przuntek H, Muller T. Assessment of simple movements reflects impairment in Huntington's )] TJ ET BT 26.250 423.072 Td /F1 9.8 Tf [(disease. Mov Disord 2006;21:1208-1212.)] TJ ET BT 26.250 403.667 Td /F1 9.8 Tf [(30.)] TJ ET BT 43.553 403.667 Td /F1 9.8 Tf [(Saft C, Andrich J, Meisel NM, Przuntek H, Muller T. Assessment of complex movements reflects dysfunction in Huntington's )] TJ ET BT 26.250 391.762 Td /F1 9.8 Tf [(disease. J Neurol 2003;250:1469-1474.)] TJ ET BT 26.250 372.357 Td /F1 9.8 Tf [(31.)] TJ ET BT 43.553 372.357 Td /F1 9.8 Tf [(Hamilton M. A rating scale for depression. J Neurol Neurosurg Psychiatry 1960;23:56-62.)] TJ ET BT 26.250 352.953 Td /F1 9.8 Tf [(32.)] TJ ET BT 43.553 352.953 Td /F1 9.8 Tf [(Beck AT, Ward CH, Mendelson M, Mock J, Erbaugh J. An inventory for measuring depression. Arch Gen Psychiatry )] TJ ET BT 26.250 341.048 Td /F1 9.8 Tf [(1961;4:561-571.)] TJ ET BT 26.250 321.643 Td /F1 9.8 Tf [(33.)] TJ ET BT 43.553 321.643 Td /F1 9.8 Tf [(Penney JB, Jr., Vonsattel JP, MacDonald ME, Gusella JF, Myers RH. CAG repeat number governs the development rate of )] TJ ET BT 26.250 309.738 Td /F1 9.8 Tf [(pathology in Huntington's disease. Ann Neurol 1997;41:689-692.)] TJ ET BT 26.250 290.334 Td /F1 9.8 Tf [(34.)] TJ ET BT 43.553 290.334 Td /F1 9.8 Tf [(Muller T, Woitalla D, Goetze O, Erdmann C. Entacapone improves absorption of a coadministered salt in patients with )] TJ ET BT 26.250 278.429 Td /F1 9.8 Tf [(Parkinson's disease. Mov Disord 2008;23:1458-1461.)] TJ ET BT 26.250 259.024 Td /F1 9.8 Tf [(35.)] TJ ET BT 43.553 259.024 Td /F1 9.8 Tf [(Ravussin E, Pahud P, Thelin-Doerner A, Arnaud MJ, Jequier E. Substrate utilization during prolonged exercise after )] TJ ET BT 26.250 247.119 Td /F1 9.8 Tf [(ingestion of 13C-glucose in obese and control subjects. Int J Obes 1980;4:235-242.)] TJ ET BT 26.250 227.715 Td /F1 9.8 Tf [(36.)] TJ ET BT 43.553 227.715 Td /F1 9.8 Tf [(Haycock GB, Schwartz GJ, Wisotsky DH. Geometric method for measuring body surface area: a height-weight formula )] TJ ET BT 26.250 215.810 Td /F1 9.8 Tf [(validated in infants, children, and adults. J Pediatr 1978;93:62-66.)] TJ ET BT 26.250 196.405 Td /F1 9.8 Tf [(37.)] TJ ET BT 43.553 196.405 Td /F1 9.8 Tf [(Ghoos YF, Maes BD, Geypens BJ, et al. Measurement of gastric emptying rate of solids by means of a carbon-labeled )] TJ ET BT 26.250 184.500 Td /F1 9.8 Tf [(octanoic acid breath test. Gastroenterology 1993;104:1640-1647.)] TJ ET BT 26.250 165.096 Td /F1 9.8 Tf [(38.)] TJ ET BT 43.553 165.096 Td /F1 9.8 Tf [(Revicki DA, Rentz AM, Dubois D, et al. Development and validation of a patient-assessed gastroparesis symptom severity )] TJ ET BT 26.250 153.191 Td /F1 9.8 Tf [(measure: the Gastroparesis Cardinal Symptom Index. Aliment Pharmacol Ther 2003;18:141-150.)] TJ ET BT 26.250 133.786 Td /F1 9.8 Tf [(39.)] TJ ET BT 43.553 133.786 Td /F1 9.8 Tf [(Fraser A, Delaney BC, Ford AC, Qume M, Moayyedi P. The Short-Form Leeds Dyspepsia Questionnaire validation study. )] TJ ET BT 26.250 121.881 Td /F1 9.8 Tf [(Aliment Pharmacol Ther 2007;25:477-486.)] TJ ET BT 26.250 102.477 Td /F1 9.8 Tf [(40.)] TJ ET BT 43.553 102.477 Td /F1 9.8 Tf [(Andrich JE, Wobben M, Klotz P, Goetze O, Saft C. Upper gastrointestinal findings in Huntington's disease: patients suffer )] TJ ET BT 26.250 90.572 Td /F1 9.8 Tf [(but do not complain. J Neural Transm 2009;116:1607-1611.)] TJ ET BT 26.250 71.167 Td /F1 9.8 Tf [(41.)] TJ ET BT 43.553 71.167 Td /F1 9.8 Tf [(Stout JC, Paulsen JS, Queller S, et al. Neurocognitive signs in prodromal Huntington disease. Neuropsychology;25:1-14.)] TJ ET BT 26.250 51.762 Td /F1 9.8 Tf [(42.)] TJ ET BT 43.553 51.762 Td /F1 9.8 Tf [(Beglinger LJ, Duff K, Allison J, et al. Cognitive change in patients with Huntington disease on the Repeatable Battery for the )] TJ ET Q q 0.000 0.000 0.000 rg BT 291.710 19.825 Td /F1 11.0 Tf [(7)] TJ ET BT 25.000 19.825 Td /F1 11.0 Tf [(PLOS Currents Huntington Disease)] TJ ET Q endstream endobj 617 0 obj << /Type /Page /Parent 3 0 R /Contents 618 0 R >> endobj 618 0 obj << /Length 12286 >> stream 0.271 0.267 0.267 rg q 15.000 347.476 577.500 429.524 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(Assessment of Neuropsychological Status. J Clin Exp Neuropsychol 2010;32:573-578.)] TJ ET BT 26.250 748.071 Td /F1 9.8 Tf [(43.)] TJ ET BT 43.553 748.071 Td /F1 9.8 Tf [(Beglinger LJ, O'Rourke JJ, Wang C, Langbehn DR, Duff K, Paulsen JS. Earliest functional declines in Huntington disease. )] TJ ET BT 26.250 736.167 Td /F1 9.8 Tf [(Psychiatry Res;178:414-418.)] TJ ET BT 26.250 716.762 Td /F1 9.8 Tf [(44.)] TJ ET BT 43.553 716.762 Td /F1 9.8 Tf [(Bishop NA, Lu T, Yankner BA. Neural mechanisms of ageing and cognitive decline. Nature 2010;464:529-535.)] TJ ET BT 26.250 697.357 Td /F1 9.8 Tf [(45.)] TJ ET BT 43.553 697.357 Td /F1 9.8 Tf [(Glade MJ. Oxidative stress and cognitive longevity. Nutrition 2010;26:595-603.)] TJ ET BT 26.250 677.952 Td /F1 9.8 Tf [(46.)] TJ ET BT 43.553 677.952 Td /F1 9.8 Tf [(Sultana R, Butterfield DA. Oxidatively modified, mitochondria-relevant brain proteins in subjects with Alzheimer disease and )] TJ ET BT 26.250 666.048 Td /F1 9.8 Tf [(mild cognitive impairment. J Bioenerg Biomembr 2009;41:441-446.)] TJ ET BT 26.250 646.643 Td /F1 9.8 Tf [(47.)] TJ ET BT 43.553 646.643 Td /F1 9.8 Tf [(Bossy-Wetzel E, Petrilli A, Knott AB. Mutant huntingtin and mitochondrial dysfunction. Trends Neurosci 2008;31:609-616.)] TJ ET BT 26.250 627.238 Td /F1 9.8 Tf [(48.)] TJ ET BT 43.553 627.238 Td /F1 9.8 Tf [(Saft C, Zange J, Andrich J, et al. Mitochondrial impairment in patients and asymptomatic mutation carriers of Huntington's )] TJ ET BT 26.250 615.333 Td /F1 9.8 Tf [(disease. Mov Disord 2005;20:674-679.)] TJ ET BT 26.250 595.929 Td /F1 9.8 Tf [(49.)] TJ ET BT 43.553 595.929 Td /F1 9.8 Tf [(Taherzadeh-Fard E, Saft C, Akkad DA, et al. PGC-1alpha downstream transcription factors NRF-1 and TFAM are genetic )] TJ ET BT 26.250 584.024 Td /F1 9.8 Tf [(modifiers of Huntington disease. Mol Neurodegener;6:32.)] TJ ET BT 26.250 564.619 Td /F1 9.8 Tf [(50.)] TJ ET BT 43.553 564.619 Td /F1 9.8 Tf [(Sassone J, Colciago C, Cislaghi G, Silani V, Ciammola A. Huntington's disease: the current state of research with )] TJ ET BT 26.250 552.714 Td /F1 9.8 Tf [(peripheral tissues. Exp Neurol 2009;219:385-397.)] TJ ET BT 26.250 533.310 Td /F1 9.8 Tf [(51.)] TJ ET BT 43.553 533.310 Td /F1 9.8 Tf [(Browne SE. Mitochondria and Huntington's disease pathogenesis: insight from genetic and chemical models. Ann N Y Acad )] TJ ET BT 26.250 521.405 Td /F1 9.8 Tf [(Sci 2008;1147:358-382.)] TJ ET BT 26.250 502.000 Td /F1 9.8 Tf [(52.)] TJ ET BT 43.553 502.000 Td /F1 9.8 Tf [(Davies SW, Turmaine M, Cozens BA, et al. Formation of neuronal intranuclear inclusions underlies the neurological )] TJ ET BT 26.250 490.095 Td /F1 9.8 Tf [(dysfunction in mice transgenic for the HD mutation. Cell 1997;90:537-548.)] TJ ET BT 26.250 470.691 Td /F1 9.8 Tf [(53.)] TJ ET BT 43.553 470.691 Td /F1 9.8 Tf [(Sathasivam K, Hobbs C, Turmaine M, et al. Formation of polyglutamine inclusions in non-CNS tissue. Hum Mol Genet )] TJ ET BT 26.250 458.786 Td /F1 9.8 Tf [(1999;8:813-822.)] TJ ET BT 26.250 439.381 Td /F1 9.8 Tf [(54.)] TJ ET BT 43.553 439.381 Td /F1 9.8 Tf [(Scherzinger E, Lurz R, Turmaine M, et al. Huntingtin-encoded polyglutamine expansions form amyloid-like protein )] TJ ET BT 26.250 427.476 Td /F1 9.8 Tf [(aggregates in vitro and in vivo. Cell 1997;90:549-558.)] TJ ET BT 26.250 408.072 Td /F1 9.8 Tf [(55.)] TJ ET BT 43.553 408.072 Td /F1 9.8 Tf [(Squitieri F, Cannella M, Sgarbi G, et al. Severe ultrastructural mitochondrial changes in lymphoblasts homozygous for )] TJ ET BT 26.250 396.167 Td /F1 9.8 Tf [(Huntington disease mutation. Mech Ageing Dev 2006;127:217-220.)] TJ ET BT 26.250 376.762 Td /F1 9.8 Tf [(56.)] TJ ET BT 43.553 376.762 Td /F1 9.8 Tf [(Grattagliano I, Lauterburg BH, Palasciano G, Portincasa P. 13C-breath tests for clinical investigation of liver mitochondrial )] TJ ET BT 26.250 364.857 Td /F1 9.8 Tf [(function. Eur J Clin Invest;40:843-850.)] TJ ET Q q 15.000 347.476 577.500 429.524 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(Assessment of Neuropsychological Status. J Clin Exp Neuropsychol 2010;32:573-578.)] TJ ET BT 26.250 748.071 Td /F1 9.8 Tf [(43.)] TJ ET BT 43.553 748.071 Td /F1 9.8 Tf [(Beglinger LJ, O'Rourke JJ, Wang C, Langbehn DR, Duff K, Paulsen JS. Earliest functional declines in Huntington disease. )] TJ ET BT 26.250 736.167 Td /F1 9.8 Tf [(Psychiatry Res;178:414-418.)] TJ ET BT 26.250 716.762 Td /F1 9.8 Tf [(44.)] TJ ET BT 43.553 716.762 Td /F1 9.8 Tf [(Bishop NA, Lu T, Yankner BA. Neural mechanisms of ageing and cognitive decline. Nature 2010;464:529-535.)] TJ ET BT 26.250 697.357 Td /F1 9.8 Tf [(45.)] TJ ET BT 43.553 697.357 Td /F1 9.8 Tf [(Glade MJ. Oxidative stress and cognitive longevity. Nutrition 2010;26:595-603.)] TJ ET BT 26.250 677.952 Td /F1 9.8 Tf [(46.)] TJ ET BT 43.553 677.952 Td /F1 9.8 Tf [(Sultana R, Butterfield DA. Oxidatively modified, mitochondria-relevant brain proteins in subjects with Alzheimer disease and )] TJ ET BT 26.250 666.048 Td /F1 9.8 Tf [(mild cognitive impairment. J Bioenerg Biomembr 2009;41:441-446.)] TJ ET BT 26.250 646.643 Td /F1 9.8 Tf [(47.)] TJ ET BT 43.553 646.643 Td /F1 9.8 Tf [(Bossy-Wetzel E, Petrilli A, Knott AB. Mutant huntingtin and mitochondrial dysfunction. Trends Neurosci 2008;31:609-616.)] TJ ET BT 26.250 627.238 Td /F1 9.8 Tf [(48.)] TJ ET BT 43.553 627.238 Td /F1 9.8 Tf [(Saft C, Zange J, Andrich J, et al. Mitochondrial impairment in patients and asymptomatic mutation carriers of Huntington's )] TJ ET BT 26.250 615.333 Td /F1 9.8 Tf [(disease. Mov Disord 2005;20:674-679.)] TJ ET BT 26.250 595.929 Td /F1 9.8 Tf [(49.)] TJ ET BT 43.553 595.929 Td /F1 9.8 Tf [(Taherzadeh-Fard E, Saft C, Akkad DA, et al. PGC-1alpha downstream transcription factors NRF-1 and TFAM are genetic )] TJ ET BT 26.250 584.024 Td /F1 9.8 Tf [(modifiers of Huntington disease. Mol Neurodegener;6:32.)] TJ ET BT 26.250 564.619 Td /F1 9.8 Tf [(50.)] TJ ET BT 43.553 564.619 Td /F1 9.8 Tf [(Sassone J, Colciago C, Cislaghi G, Silani V, Ciammola A. Huntington's disease: the current state of research with )] TJ ET BT 26.250 552.714 Td /F1 9.8 Tf [(peripheral tissues. Exp Neurol 2009;219:385-397.)] TJ ET BT 26.250 533.310 Td /F1 9.8 Tf [(51.)] TJ ET BT 43.553 533.310 Td /F1 9.8 Tf [(Browne SE. Mitochondria and Huntington's disease pathogenesis: insight from genetic and chemical models. Ann N Y Acad )] TJ ET BT 26.250 521.405 Td /F1 9.8 Tf [(Sci 2008;1147:358-382.)] TJ ET BT 26.250 502.000 Td /F1 9.8 Tf [(52.)] TJ ET BT 43.553 502.000 Td /F1 9.8 Tf [(Davies SW, Turmaine M, Cozens BA, et al. Formation of neuronal intranuclear inclusions underlies the neurological )] TJ ET BT 26.250 490.095 Td /F1 9.8 Tf [(dysfunction in mice transgenic for the HD mutation. Cell 1997;90:537-548.)] TJ ET BT 26.250 470.691 Td /F1 9.8 Tf [(53.)] TJ ET BT 43.553 470.691 Td /F1 9.8 Tf [(Sathasivam K, Hobbs C, Turmaine M, et al. Formation of polyglutamine inclusions in non-CNS tissue. Hum Mol Genet )] TJ ET BT 26.250 458.786 Td /F1 9.8 Tf [(1999;8:813-822.)] TJ ET BT 26.250 439.381 Td /F1 9.8 Tf [(54.)] TJ ET BT 43.553 439.381 Td /F1 9.8 Tf [(Scherzinger E, Lurz R, Turmaine M, et al. Huntingtin-encoded polyglutamine expansions form amyloid-like protein )] TJ ET BT 26.250 427.476 Td /F1 9.8 Tf [(aggregates in vitro and in vivo. Cell 1997;90:549-558.)] TJ ET BT 26.250 408.072 Td /F1 9.8 Tf [(55.)] TJ ET BT 43.553 408.072 Td /F1 9.8 Tf [(Squitieri F, Cannella M, Sgarbi G, et al. Severe ultrastructural mitochondrial changes in lymphoblasts homozygous for )] TJ ET BT 26.250 396.167 Td /F1 9.8 Tf [(Huntington disease mutation. Mech Ageing Dev 2006;127:217-220.)] TJ ET BT 26.250 376.762 Td /F1 9.8 Tf [(56.)] TJ ET BT 43.553 376.762 Td /F1 9.8 Tf [(Grattagliano I, Lauterburg BH, Palasciano G, Portincasa P. 13C-breath tests for clinical investigation of liver mitochondrial )] TJ ET BT 26.250 364.857 Td /F1 9.8 Tf [(function. Eur J Clin Invest;40:843-850.)] TJ ET Q q 15.000 347.476 577.500 429.524 re W n 0.271 0.267 0.267 rg BT 26.250 767.476 Td /F1 9.8 Tf [(Assessment of Neuropsychological Status. J Clin Exp Neuropsychol 2010;32:573-578.)] TJ ET BT 26.250 748.071 Td /F1 9.8 Tf [(43.)] TJ ET BT 43.553 748.071 Td /F1 9.8 Tf [(Beglinger LJ, O'Rourke JJ, Wang C, Langbehn DR, Duff K, Paulsen JS. Earliest functional declines in Huntington disease. )] TJ ET BT 26.250 736.167 Td /F1 9.8 Tf [(Psychiatry Res;178:414-418.)] TJ ET BT 26.250 716.762 Td /F1 9.8 Tf [(44.)] TJ ET BT 43.553 716.762 Td /F1 9.8 Tf [(Bishop NA, Lu T, Yankner BA. Neural mechanisms of ageing and cognitive decline. Nature 2010;464:529-535.)] TJ ET BT 26.250 697.357 Td /F1 9.8 Tf [(45.)] TJ ET BT 43.553 697.357 Td /F1 9.8 Tf [(Glade MJ. Oxidative stress and cognitive longevity. Nutrition 2010;26:595-603.)] TJ ET BT 26.250 677.952 Td /F1 9.8 Tf [(46.)] TJ ET BT 43.553 677.952 Td /F1 9.8 Tf [(Sultana R, Butterfield DA. Oxidatively modified, mitochondria-relevant brain proteins in subjects with Alzheimer disease and )] TJ ET BT 26.250 666.048 Td /F1 9.8 Tf [(mild cognitive impairment. J Bioenerg Biomembr 2009;41:441-446.)] TJ ET BT 26.250 646.643 Td /F1 9.8 Tf [(47.)] TJ ET BT 43.553 646.643 Td /F1 9.8 Tf [(Bossy-Wetzel E, Petrilli A, Knott AB. Mutant huntingtin and mitochondrial dysfunction. Trends Neurosci 2008;31:609-616.)] TJ ET BT 26.250 627.238 Td /F1 9.8 Tf [(48.)] TJ ET BT 43.553 627.238 Td /F1 9.8 Tf [(Saft C, Zange J, Andrich J, et al. Mitochondrial impairment in patients and asymptomatic mutation carriers of Huntington's )] TJ ET BT 26.250 615.333 Td /F1 9.8 Tf [(disease. Mov Disord 2005;20:674-679.)] TJ ET BT 26.250 595.929 Td /F1 9.8 Tf [(49.)] TJ ET BT 43.553 595.929 Td /F1 9.8 Tf [(Taherzadeh-Fard E, Saft C, Akkad DA, et al. PGC-1alpha downstream transcription factors NRF-1 and TFAM are genetic )] TJ ET BT 26.250 584.024 Td /F1 9.8 Tf [(modifiers of Huntington disease. Mol Neurodegener;6:32.)] TJ ET BT 26.250 564.619 Td /F1 9.8 Tf [(50.)] TJ ET BT 43.553 564.619 Td /F1 9.8 Tf [(Sassone J, Colciago C, Cislaghi G, Silani V, Ciammola A. Huntington's disease: the current state of research with )] TJ ET BT 26.250 552.714 Td /F1 9.8 Tf [(peripheral tissues. Exp Neurol 2009;219:385-397.)] TJ ET BT 26.250 533.310 Td /F1 9.8 Tf [(51.)] TJ ET BT 43.553 533.310 Td /F1 9.8 Tf [(Browne SE. Mitochondria and Huntington's disease pathogenesis: insight from genetic and chemical models. Ann N Y Acad )] TJ ET BT 26.250 521.405 Td /F1 9.8 Tf [(Sci 2008;1147:358-382.)] TJ ET BT 26.250 502.000 Td /F1 9.8 Tf [(52.)] TJ ET BT 43.553 502.000 Td /F1 9.8 Tf [(Davies SW, Turmaine M, Cozens BA, et al. Formation of neuronal intranuclear inclusions underlies the neurological )] TJ ET BT 26.250 490.095 Td /F1 9.8 Tf [(dysfunction in mice transgenic for the HD mutation. Cell 1997;90:537-548.)] TJ ET BT 26.250 470.691 Td /F1 9.8 Tf [(53.)] TJ ET BT 43.553 470.691 Td /F1 9.8 Tf [(Sathasivam K, Hobbs C, Turmaine M, et al. Formation of polyglutamine inclusions in non-CNS tissue. Hum Mol Genet )] TJ ET BT 26.250 458.786 Td /F1 9.8 Tf [(1999;8:813-822.)] TJ ET BT 26.250 439.381 Td /F1 9.8 Tf [(54.)] TJ ET BT 43.553 439.381 Td /F1 9.8 Tf [(Scherzinger E, Lurz R, Turmaine M, et al. Huntingtin-encoded polyglutamine expansions form amyloid-like protein )] TJ ET BT 26.250 427.476 Td /F1 9.8 Tf [(aggregates in vitro and in vivo. Cell 1997;90:549-558.)] TJ ET BT 26.250 408.072 Td /F1 9.8 Tf [(55.)] TJ ET BT 43.553 408.072 Td /F1 9.8 Tf [(Squitieri F, Cannella M, Sgarbi G, et al. Severe ultrastructural mitochondrial changes in lymphoblasts homozygous for )] TJ ET BT 26.250 396.167 Td /F1 9.8 Tf [(Huntington disease mutation. Mech Ageing Dev 2006;127:217-220.)] TJ ET BT 26.250 376.762 Td /F1 9.8 Tf [(56.)] TJ ET BT 43.553 376.762 Td /F1 9.8 Tf [(Grattagliano I, Lauterburg BH, Palasciano G, Portincasa P. 13C-breath tests for clinical investigation of liver mitochondrial )] TJ ET BT 26.250 364.857 Td /F1 9.8 Tf [(function. 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