【摘要】 目的 观察不同病因、不同程度昏迷病人的TCD特点。 方法 选择62例昏迷病人，记录昏迷原因、生命体征及有关辅助检查资料，同时进行TCD监测，观察频谱形态、颅内血流变化。 结果 浅昏迷患者的TCD表现无特征性改变，当出现中度昏迷或深昏迷时，颅内幕上结构损害患者TCD表现与文献报告相似，颅内幕下结构损害、代谢及弥漫性脑病患者大脑中动脉血流速度改变不明显，但死亡的18例病人中有13例出现了收缩期末血流速低于舒张期末血流速。 结论 颅内幕下结构损害、代谢及弥漫性脑病患者脑血流变化不明显，中度昏迷及深昏迷患者出现收缩期末血流速低于舒张期末血流速多提示脑血管自动调节功能丧失、预后不佳。

    【关键词】 昏迷;经颅多普勒超声

    The clinical significance of monitoring patients with coma by TCD

    LI Songkui，LIU Jiao-chang，HAN Qi-ying，et al.

    Department of Neurology，Linyi City Traditional Chinese Medical Hospital，Shandong276002，China

    【Abstract】 Objective To observe the TCD characteristics of patients of different causes and different stages of co-ma.Methods In62cases of coma patients，record the causes of coma，life signs and related physical examination data.At the same time，monitor the TCD characteristics，observe the frequency spectrum form and the blood flow ve-locity in cranial vessels.Results The TCD manifestations of patients with semicoma have no characteristic change.In moderate or deep coma patients，who have intracranial supratentorial injury ......