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对120例脑外伤病人进行多形式诱发电位检查(MEP),脑干听觉诱发电位(BAEP)异常率为70％,体感诱发电位为34.0％,视觉诱发电位(VEP)为25.0％,三项中有一项异常者为87.5％。13例进行MEP复查和15例重型脑外伤手术疗效均提示MEP正常者,临床恢复快,后遗症少,反之则差。并结合CT检查,格拉斯哥昏迷量表(GCS)分级进行讨论,中、重型病人CT与MEP的异常率分别为76.5％和64.7％,轻型病人相应为5.7％和57.1％,提示轻型脑外伤病人脑虽无明显结构性变化,但确有生理功能改变的客观依据。
Multiple evoked potentials (MEP) were performed in 120 patients with traumatic brain injury. The abnormal BAEP rate was 70%, the somatosensory evoked potential was 34.0% and the visual evoked potential (VEP) was 25.0% An anomaly was 87.5%. Thirteen cases of MEP and 15 cases of severe traumatic brain injury surgery showed normal MEP, clinical recovery faster, less sequelae, and vice versa. In combination with CT examination and Glasgow coma scale (GCS) grading, the abnormal rates of CT and MEP in medium and heavy patients were 76.5% and 64.7% respectively, while those in light patients were 5.7% and 57.1% Although there is no obvious structural changes, but there is an objective basis for changes in physiological functions.