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目的探讨听神经瘤术中面神经保护的影响因素。方法回顾性分析2003年7月-2012年12月手术治疗的95例听神经瘤患者的临床资料。结果面神经解剖保留62例(65.3%),面神经功能保留:H-BⅠ、Ⅱ级29例(30.5%),H-BⅢ、Ⅳ级55例(57.9%),H-BⅤ、Ⅵ级10例(10.5%)。影响面神经解剖和功能保留的因素有肿瘤大小、肿瘤囊实情况和术中监测(P<0.05)。结论术者掌握熟练的显微外科技术,同时配合术中神经电生理监测,可提高面神经解剖和功能保留率。
Objective To investigate the influencing factors of facial nerve protection in acoustic neuroma. Methods The clinical data of 95 patients with acoustic neuroma treated surgically from July 2003 to December 2012 were retrospectively analyzed. Results The facial nerve was preserved in 62 cases (65.3%) with facial nerve function preserved in 29 cases (30.5%) of H-BⅠ and Ⅱ, 55 cases (57.9%) of H-BⅢ and Ⅳ, 10.5%). The factors influencing facial nerve anatomy and function retention were tumor size, tumor cyst and intraoperative monitoring (P <0.05). Conclusion The surgeon mastered the skill of microsurgery, and combined with intraoperative electrophysiological monitoring, can improve facial nerve anatomy and retention rate.