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Longitudinal functional and NMR assessment of upper limbs in Duchenne muscular dystrophy

Abstract : Objective:To explore the value of nuclear magnetic resonance (NMR) and functional assessments for follow-up of ambulatory and nonambulatory patients with Duchenne muscular dystrophy (DMD).Methods:Twenty-five 53-skippable patients with DMD were included in this study; 15 were nonambulatory at baseline. All patients underwent clinical and functional assessments every 6 months using the Motor Function Measure (MFM), hand grip and key pinch strength, MoviPlate, and NMR spectroscopy and imaging studies.Results:Upper limb distal strength decreased in nonambulatory patients over the period of 1 year; ambulatory patients showed improvement during the same period. The same applied for several NMRS indices, such as phosphocreatine/adenosine triphosphate, which decreased in older patients but increased in younger ambulatory patients. Fat infiltration in the upper limbs increased linearly with age. Almost all NMR and functional assessment results correlated.Conclusions:Our results underscore complementarity of functional and NMR assessments in patients with DMD. Sensitivity to change of various indices may differ according to disease stage.
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Soumis le : jeudi 10 mars 2022 - 14:28:03
Dernière modification le : jeudi 4 août 2022 - 17:21:16

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Jean-Yves Hogrel, Claire Wary, Amelie Moraux, Noura Azzabou, Valerie Decostre, et al.. Longitudinal functional and NMR assessment of upper limbs in Duchenne muscular dystrophy. Neurology, American Academy of Neurology, 2016, 86 (11), pp.1022-1030. ⟨10.1212/WNL.0000000000002464⟩. ⟨hal-03604459⟩



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