有颅内血管狭窄者占15.7%，其中颈动脉系统狭窄者占14.6%，椎一基底动脉系统狭窄者占1.1%。

Fourteen patients (15.7%) had significant intracranial stenosis with 14.6% in the carotid and 1.1% in the vertebrobasilar system.

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结果及结论：该系统能对大鼠颈动脉窦区进行均匀斜坡升压，阶梯升压降压灌流，并己用于压力感受器反射效应研究中。

Results and Conclusions: This system was able to provide ramp and stepwise up down perfusion pattern and has been used in the research of baroreflex.

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目的：利用高频超声检测颈动脉早期诊断颅内颈内动脉系统远端阻塞性病变。

Objective To diagnose distant blockage in internal carotid artery using high frequency ultrasound survey carotid.

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