SourceNeuromuscular Disorders, 27, 12, (2017), pp. 1099-1105
Article / Letter to editor
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SubjectRadboudumc 15: Urological cancers RIMLS: Radboud Institute for Molecular Life Sciences; Radboudumc 3: Disorders of movement DCMN: Donders Center for Medical Neuroscience; Radboudumc 6: Metabolic Disorders RIHS: Radboud Institute for Health Sciences
Although limb girdle weakness is not part of the major diagnostic criteria of oculopharyngeal muscular dystrophy (OPMD), it has frequently been observed in the Dutch and other OPMD cohorts. In the Dutch cohort, this might be related to the relatively old age or the severity of the genetic defect. This patient-control study (14 OPMD patients and 12 controls) investigated the involvement of limb girdle muscles with a multidimensional approach in early OPMD. We assessed functional abilities, disease impact, physical activity, muscle strength, histopathology and fatty infiltration using questionnaires, actometer, functional tests, manual and quantitative muscle testing, muscle biopsy and muscle MRI. The study showed that involvement of pelvic girdle and proximal leg can be a relatively early feature of OPMD, resulting in impaired daily life activities. The fat fraction of the hip adductors and hamstrings was significantly higher in OPMD patients than in controls. Future studies should include assessment of hip flexors, hip adductors and hamstrings (muscle strength measurements and MRI), functional tests and questionnaires. These findings are important in future diagnostics, management and for the design of outcome measures in trials.
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