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皮层体感诱发电位联合直接电刺激术在? 大脑运动感觉功能区定位的效果评价

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Keywords: 术中直接电刺激术,功能区定位,皮层下电刺激术,体感诱发电位

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Abstract:

目的探讨皮层体感诱发电位、直接电刺激术联合监测在运动感觉功能区占位患者术中监测的临床应用。方法实验组选取40例运动感觉区占位的病人,术中均采用皮层体感诱发电位联合直接电刺激术定位功能区。对照组选取运动感觉区占位的病人40例,术中未定位功能区。两组病人均行术前术后神经系统检查,以术后2周两组病人的肌力、切除程度做为评价指标。结果术后肌力下降实验组14例(占35%),对照组21例(占52?5%),?P?=0?028,?P?<0?05;实验组有9例术中成功定出下行运动通路(占22?5%);术后感觉减退实验组2例(占5%),对照组1例(占2?5%),?P?=0?841(?P?>0?05);实验组28例全切,12例近全切;对照组27例全切,13例近全切(?P?=0?809)。结论术中采用皮层体感诱发电位波形倒置与直接皮层及下行运动通路电刺激监测技术,能在最大限度切除肿瘤的同时有效保护运动功能。

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