摘要
目的探讨大型听神经瘤术中面神经监测对面神经保护及评估术后面神经功能的临床意义。方法回顾性分析我科2007年6月至2010年3月术中行面神经监测的42例大型听神经瘤的临床资料。结果面神经解剖保留37例（88％），面神经功能保留30例（71％）。术末刺激强度1-3V即引起肌电反应者预后良好；而术末面神经近端与远端波幅之比〈0．3者预后差。结论大型听神经瘤术中面神经监测可显著降低术后面神经瘫痪的发生率，术末面神经脑干端的刺激强度与面神经功能呈负相关，而面神经近端与远端波幅之比与面神经功能呈正相关。
Objective To explore intraoperative protection of facial nerve and evaluate its function after operation in large acoustic neuromas surgery by electropbysiologie monitoring. Method A total of 42 patients＇clinical data with large acoustic neuromas between Jun, 2007 and Mar, 2010 were analyzed retrospectively,who were treated microsurgically with intraoperative eleetropbysiological monitoring in our department. Results The facial nerve was preserved anatomically in 37 patients （ 88% ）. The function of facial nerve was kept well in 30 cases （71%）. Stimulative intensity of 1 -3 V at the end of operation is related to the good function of facial nerve. The proximal - to - distal amplitude ratio of facial nerve after surgery less than 0. 3 presented with a bad facial function. Conclusions lutraoperative monitoring has significantly decreased facial nerve morbidity in large acoustic neuromas surgery. Stimulative intensity at the exit of facial nerve from brainstem is related to the facial nerve function negatively. The proximal - to - distal amplitude ratio can predict the facial nerve function positively following acoustic neuromas resection.
出处
《中华神经外科杂志》
CSCD
北大核心
2011年第9期917-920,共4页
Chinese Journal of Neurosurgery
基金
山西省科技攻关计划基金（20080311060-1）
关键词
神经瘤
听
面神经
电生理监测
功能评价
Neuromas, acoustic
Facial nerve
Electrophysiologic monitoring
Function evaluation
