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三叉神经痛显微血管减压的远期疗效观察?及相关的临床显微解剖学研究

DOI: 10.3969/j.issn.1674-6309.2005.05.012, PP. 368-370

Keywords: 三叉神经痛,微血管减压,随访结果,显微解剖,血管神经复合体

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Abstract:

目的评价三叉神经痛显微血管减压(MVD)术后1年以上患者151例的远期疗效,针对MVD术中问题,对三叉神经痛相关血管神经复合体进行显微解剖学观察。方法随访宁夏医学院附属医院1991~2004年间90例和日本山形大学医学部1982~1992年间61例三叉神经痛患者13~126个月(平均60个月)。应用15例经10%甲醛充分固定并灌有乳胶的国人成人头颅湿标本,模拟临床枕下乙状窦后手术入路,在4~25倍手术显微镜下逐层解剖、观察、测量及照相。结果MVD术后早期治愈率为93?4%,随访患者主观满意率为80%,术后疼痛未缓解率是6?6%,疼痛复发率为15%,术后并发症发生率7?7%。三叉神经和相关的小脑上动脉(SCA)、小脑前下动脉(AICA)、岩静脉等关系密切,小脑上动脉的行程一般比较恒定,向尾侧凸起46?88%的尾袢对三叉神经造成压迫。结论血管压迫是三叉神经痛的重要发病因素。

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