方法用TCD检测16例一侧颈内动脉(ICA)颅外段严重狭窄或闭塞患者。

Mothods 16 cases of internal carotid artery (ICA) stenosis and occlusion were evaluated by transcranial doppler (TCD).

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目的研究颈内动脉颅外段（EICA）狭窄或闭塞患者大脑中动脉（MCA）平均血流速度（MV）与病情和分水岭梗死的关系。

Methods Transcranial Doppler(TCD) was used to detect the mean velocity(MV) of MCA in 120 patients with EICA stenosis or occlusion.

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