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目的探讨神经电生理检查在Arhold-Chiari畸形中的诊断价值及术后效果判定。方法对确诊Ar hold-Chiari畸形的30例患者行电生理检查:脑干听觉诱发电位(BAEP)、上下肢躯体感觉诱发电位(SEP)、三叉神经-颈反射(TCR)、上下肢运动诱发电位(MEP)的术前评估,并在术后20-25 d进行电生理复查。结果术前30例患者27例(90％)电生理检查有异常改变,后颅窝减压术后各项电生理指标有不同程度的改善,MRI示空洞减小, 小脑扁桃体回缩。结论电生理的各项检查指标对Arnold-Chiari畸形具有较高的诊断价值,并且是术后疗效评估的客观依据之一。
Objective To investigate the diagnostic value of neuroelectrophysiological examination in Arhold-Chiari deformity and its effect determination. Methods Electrophysiological examination was performed in 30 patients with Ar hold-Chiari deformity diagnosed: BAEP, SEP, TCR, (MEP) preoperative assessment, and after 20-25 d electrophysiological examination. Results Electrophysiological examination showed abnormal changes in 27 cases (90%) of 30 patients before surgery. The electrophysiological indexes of posterior fossa decompression were improved to some extent. MRI showed empty holes and cerebellar tonsillar retraction. Conclusion The electrophysiological indicators of the diagnosis of Arnold-Chiari malformations have a high diagnostic value, and is one of the objective evidence of postoperative efficacy evaluation.