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利多卡因和尼莫地平延长星状神经节阻滞的脑血管扩张作用 被引量:1

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摘要 目的 观察利多卡因和尼莫地平延长星状神经节阻滞(SGB)后脑血管扩张的时效。方法  SGB后静脉滴注利多卡因100~200mg每日1次,口服尼莫地平片20mg每日3次,连用6d。在SGB后60~ 90min及3d、5d,行经颅多普勒(TCD)检查双侧大脑中动脉(MCA)、椎动脉(VA)的平均流速(Vm)和加速度 (Ac),观察脑血管扩张及血管弹性变化的情况。结果 阻滞侧SGB后第3dMCA和VA的Ac均下降,与第1 d比较差异有显著性(均P<0.05);第5dMCA和VA的Vm均升高、Ac则均下降,与第1d比较差异均有显 著性(P<0.05~0.01)。未阻滞侧第5dMCA的Vm、VA的Ac均下降,与第1d比较差异有显著性(P< 0.05,P<0.01)。SGB后第5d,两侧MCA和VA的Vm仍然低于正常值,即处于持续减慢状态,Ac亦均在正 常范围内。结论 SGB后应用利多卡因和尼莫地平可以加强和延长阻滞侧脑血管的扩张作用。
出处 《临床神经病学杂志》 CAS 北大核心 2005年第1期67-68,共2页 Journal of Clinical Neurology
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参考文献9

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