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Nutrients 2018, 10(12), 1947; https://doi.org/10.3390/nu10121947

Impaired Glucose Tolerance in Adults with Duchenne and Becker Muscular Dystrophy

1
Research Centre for Musculoskeletal Science & Sports Medicine, Department of Exercise and Sport Science, Manchester Metropolitan University Cheshire, Crewe CW1 5DU, UK
2
The Neuromuscular Centre, Winsford CW7 4EH, Cheshire, UK
3
Research Centre for Musculoskeletal Science & Sports Medicine, School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester M1 5GD, UK
*
Author to whom correspondence should be addressed.
Received: 5 November 2018 / Revised: 29 November 2018 / Accepted: 5 December 2018 / Published: 7 December 2018
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Abstract

The aim of this study was to determine the response to an oral glucose tolerance test (OGTT) in adult males with Becker muscular dystrophy (BMD) and Duchenne muscular dystrophy (DMD), and to investigate whether body composition contributes to any variance in the glucose response. Twenty-eight adult males with dystrophinopathy (BMD, n = 13; DMD, n = 15) and 12 non-dystrophic controls, ingested 75 g oral anhydrous glucose solution. Fingertip capillary samples were assessed for glucose at 30-min intervals over 2-h post glucose ingestion. Fat free mass relative to body mass (FFM/BM) and body fat (BF%) was assessed using bioelectrical impedance. Vastus lateralis muscle anatomical cross sectional area (VL ACSA) was measured using B-mode ultrasonography. Blood glucose was higher in MD groups than control at 60, 90 and 120 min post ingestion of glucose. Compared to controls, FFM/BM and VL ACSA were lower in MD groups compared to controls (p < 0.001). Glucose tolerance values at 120 min were correlated with FFM/BM and BF% in the BMD group only. Our results suggest that glucose tolerance is impaired following OGTT in adult males with BMD and DMD. It is recommended that adults with BMD and DMD undertake routine glucose tolerance assessments to allow early detection of impaired glucose tolerance. View Full-Text
Keywords: Duchenne muscular dystrophy; Becker muscular dystrophy; diabetes; oral glucose tolerance test; body composition; muscle size Duchenne muscular dystrophy; Becker muscular dystrophy; diabetes; oral glucose tolerance test; body composition; muscle size
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Bostock, E.L.; Edwards, B.T.; Jacques, M.F.; Pogson, J.T.; Reeves, N.D.; Onambele-Pearson, G.L.; Morse, C.I. Impaired Glucose Tolerance in Adults with Duchenne and Becker Muscular Dystrophy. Nutrients 2018, 10, 1947.

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