肌病中电活动模式及单个运动单位电位分析的诊断价值
Diagnostic yield of analysis of the pattern of electrical activity and of individual motor unit potentials in myopathy.
作者信息
Fuglsang-Frederiksen A, Scheel U, Buchthal F
出版信息
J Neurol Neurosurg Psychiatry. 1976 Aug;39(8):742-50. doi: 10.1136/jnnp.39.8.742.
Abstract
The analysis of the pattern of electrical activity and of individual motor unit potentials in the same muscle both identified about 90% of 41 patients as having a myopathy. The pattern of electrical activity was analysed during a force which was a fixed fraction of maximum; individual motor unit potentials were analysed during weak effort. The two methods supplement each other as some of the patients were identified only by one or by the other of the two procedures. The parameter of the pattern of electrical activity which was most often abnormal was the ratio: numbers of turns to mean amplitude between turns.
摘要
对同一肌肉的电活动模式和单个运动单位电位进行分析，在41例患者中均有大约90%被判定患有肌病。电活动模式是在相当于最大力量固定比例的用力过程中进行分析的；单个运动单位电位是在轻微用力过程中进行分析的。由于有些患者仅通过两种方法中的一种被识别出来，所以这两种方法相互补充。电活动模式中最常出现异常的参数是：转折数与转折间平均波幅之比。
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