神经根刺激H反射的指标分析  

Analysis on index of Hreflex to nerve root stimulation

作　　者：傅鸿翔[1] 胡兴越[2] 

机构地区：[1]海军杭州疗养院康复中心,杭州310002 [2]浙江医科大学邵逸夫医院神经科

出　　处：《临床脑电学杂志》2000年第1期17-19,共3页

摘　　要：目的：探讨神经根刺激H反射(NRSH)各指标的意义及其H—M起始与峰间期的关系。方法：选择无腰骶神经根病及周围神经病的正常人15例(30侧)，行常规H反射及NRSH检查并作碰撞实验。结果：NRSH H—M起始间期较峰间期显著延长；各指标聚类得出3个独立因子，因子1和主要常规H反射H—M间期显著相关，因子2和NRSH H—M间期显著相关，因子3和常规H反射M波起始潜伏期显著相关。结论：H波由传导速度相对较慢的α运动神经传导是引起H—M起始间期较峰间期延长的原因，H—M峰间期更合理地反映了S１神经根的传导功能；NRSH的H—M间期主要反映神经根的传导功能，而常规H反射H—M间期则反映了坐骨神经近髓段的传导功能。Objective:To explo re the significance of Hreflex to nerve root stimulation(NRSH) and its relatio nship between the onset and the peak interval of HM. Metho ds:Fifteen healthy subjects without radioculopathy and neuropath y were selected and the traditional Hreflex and NSRH examination were performe d, and also collision technique was used during NSRH to detect the onset H laten cy of NRSH.Results:The onset HM interval was s ignificantly prolonged than the peak HM interval. Three indepe ndent factors were extracted by factor analysis. The first one was significantly correlate d with the onset HM interval, the third with onset M wave latency of tradition a l Hreflex and second one with HM interval of NRSH.Conclusio n: H reflex was conducted by a motor nerve with slower velocity. Th is was why the onset HM interval was longer than the interpeak latency. The pe ak HM interval was more reasonable to reflect the conduction functiion of S １ nerve root. HM interval of NRSH mainly reflect nerve root conduction function . The HM interval of traditional Hreflex,as M wave and H wave latency of NRS H, predominantly indicate the conduction function of paraspinal sciatic nerve.

关 键 词：H反射 神经根 磁刺激 碰撞实验 

分 类 号：R741.044[医药卫生—神经病学与精神病学]