| 肌萎缩侧索硬化低频电刺激时波幅的衰减 |
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| 引用本文： | 张为西,吕建敏.肌萎缩侧索硬化低频电刺激时波幅的衰减[J].现代电生理学杂志,1998(1). |
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| 作者姓名： | 张为西 吕建敏 |
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| 作者单位： | 中山医科大学附属第一医院神经科 510080
(张为西)，中山医科大学附属第一医院神经科 510080(吕建敏) |
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| 摘 要： | 目的:为了探讨肌萎缩侧索硬化低频重复电刺激时波幅的变化。方法:运用丹麦丹迪公司生产的Countpoint肌电图机对30例肌萎缩侧索硬化患者及30例正常人进行低频重复电刺激的研究。结果:半数以上的患者波幅呈递减反应,波幅的衰减在有束颤及肌萎缩者明显,动作电位的低波幅与波幅的衰减率是呈相关。结论:肌萎缩侧索硬化存在神经肌肉接头损害。
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| 关 键 词： | 肌萎缩侧索硬化 重复电刺激 |
DECREMENT OF AMPLITUDE TO REPETITIVE NERVE STIMULATION AT SLOW RATES IN AMYOTROPHIC LATERAL SCLEROSIS |
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| Zhang Weixi,Lu Jianmin.DECREMENT OF AMPLITUDE TO REPETITIVE NERVE STIMULATION AT SLOW RATES IN AMYOTROPHIC LATERAL SCLEROSIS[J].Journal of Modern Electrophysiology,1998(1). |
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| Authors: | Zhang Weixi Lu Jianmin |
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| Institution: | Zhang Weixi,Lu Jianmin
Department of neurology,First Affiliated Hospital,Sun Yat-sen University of Medical Sciences,Guangzhou,510080 |
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| Abstract: | Objective:to explore the change of amplitude to repetitive nerve stimulation (RNS) at slow rates in amyotrophic lateral sclerosis (ALS).Methods:30 patients with ALS and 30 normal volunteers were given RNS test at slow rates by electromyography made in Dantec of demark.Results:at least half of patients with ALS had some degree of decrement of amplitude to RNS.Decremental responses are apparent in the patients with muscular alrophy and fasciculation.There was a negative correlation between lower amplitude and decrement of amplitude.Conclusions:there is functional alteration of neuromuscular junction in ALS. |
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| Keywords: | ALS RNS |
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