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TIA患者发作期及发作控制后彩色经颅多普勒检查分析 被引量:2

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摘要 目的探讨短暂性脑缺血发作的发病机理。方法对38例短暂性脑缺血发作患者在其发作期和发作控制后7天分别检测大脑中动脉、椎动脉及颈内动脉起始段的血流速度,PI、RI、S/D及VMCA/VICA指数,观察其频谱形态。结果38例患者在发作期其大脑中动脉、椎动脉血流速度均高于发作控制后,颈内动脉起始段血流速度低于发作控制后,VMCA/VICA指数增高,频谱及多项指数显示脑动脉硬化改变。结论短暂性脑缺血发作是在脑动脉硬化基础上引起的血管痉挛。
作者 高文红
出处 《医药论坛杂志》 2008年第4期79-80,共2页 Journal of Medical Forum
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