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后循环梗死患者的BAEP、BR、TCR变化的临床意义 被引量:2

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摘要 目的探讨后循环梗死(PCI)患者脑干听觉诱发电位(BAEP)、瞬目反射(BR)、三叉神经-颈反射(TCR)三种电生理变化。方法选择50例经头颅MRI检查证实为PCI患者,分别行BAEP、BR、TCR检查。BAEP观察其波形,Ⅰ、Ⅲ、Ⅴ峰波潜伏期(PL)、峰波间期(IPL)、波幅(Amp);BR观察R1、R2、R2’波平均潜伏期、波幅;TCR观察各成分潜伏期、波幅、A值。结果 50例中,BAEP检查异常45例,异常率90%,异常主要表现为Ⅲ、Ⅴ波PL延长,Ⅲ~ⅤIPL大于Ⅰ~ⅢIPL,Ⅰ/Ⅴ波幅大于1。BR检查异常42例,异常率84%,异常主要表现为R1、R2、R2’波PL延长,R2、R2’波幅下降。TCR检查仅5例异常,异常率10%,头颅MRI显示多为延髓梗死。结论 BAEP、BR两种电生理检查方法能较好反映PCI患者脑干功能异常;TCR电生理检查方法异常率低,但对延髓梗死检查有特异性。三者联合应用可提供重要参考价值。
出处 《中国实用神经疾病杂志》 2012年第1期72-73,共2页 Chinese Journal of Practical Nervous Diseases
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共引文献1130

同被引文献32

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