神经性肌萎缩中的传导阻滞。
Conduction block in neuralgic amyotrophy.
作者信息
Watson B V, Nicolle M W, Brown J D
机构信息
Department of Clinical Neurological Sciences, London Health Sciences Centre, University Campus, 339 Windermere Road, P.O. Box 5339, London, Ontario, Canada.
出版信息
Muscle Nerve. 2001 Apr;24(4):559-63. doi: 10.1002/mus.1041.
We describe two cases of neuralgic amyotrophy with electrophysiological evidence of conduction block across the lower trunk of the brachial plexus. Low-output impedance stimulation of the cervical spinal roots in combination with collision was used to accurately demonstrate the conduction block. Complete electrophysiological recovery of the conduction block occurred within 3 months. Early clinical and electrophysiological recovery in both patients suggests that, in some cases, demyelination may predominate early in the course of neuralgic amyotrophy.
我们描述了两例神经性肌萎缩病例，其电生理证据显示臂丛下干存在传导阻滞。采用颈神经根低输出阻抗刺激联合碰撞技术准确证实了传导阻滞。传导阻滞在3个月内实现了完全电生理恢复。两名患者均出现早期临床和电生理恢复，这表明在某些情况下，脱髓鞘可能在神经性肌萎缩病程早期占主导地位。
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