结果：颈内动脉严重狭窄或闭塞全部发生在起始部。
Results: All carotid stricture or obliteration occurred at the initial part.
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).
结果颈内动脉严重狭窄或闭塞全部发生在起始部。
Results All carotid strictures or obliterations occurred at the initial part of the internal carotid artery.
狭窄或闭塞以颈内动脉系统为多，占总狭窄或闭塞的68.7%；
Stenosis or occlusion mainly occurred in internal carotid arterial system, and was up to 68.7% of all cases.
烟雾病是一种进行性双侧颈内动脉末端狭窄或闭塞并在脑基底部出现异常动脉血管网的疾病。
Moyamoya disease is characterized by progressive stenosis or occlusion at the terminal portions of the bilateral internal carotid arteries with arterial collateral vessels at the base of the brain.
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.
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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