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|Comparison of muscle ultrasound and needle electromyography findings in neuromuscular disorders|
Comparison of muscle ultrasound and needle electromyography findings in neuromuscular disorders
Juerd Wijntjes MD | Jimmy Gerritsen BSc | Jonne Doorduin PhD | Nens van Alfen MD, PhD
Introduction/Aims: Needle electromyography (EMG) and muscle ultrasound can be used to evaluate patients with suspected neuromuscular disorders. The relation between muscle ultrasound pathology and the corresponding needle EMG findings isunknown. In this study we compared the results of concurrent ultrasound and needle EMG examinations in patients suspected of a neuromuscular disorder.
Methods: Retrospective data from 218 patients with pairwise ultrasound and EMG results of 796 muscles were analyzed. We compared overall quantitative and visual muscle ultrasound results to EMGs with neurogenic and myopathic abnormalities and assessed the congruency of both methods in the different clinical diagnosis categories.