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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TCD提示颅内段脑血管狭窄患者血管杂音阳性率达50%。

The positive rate of vascular murmur was 50% in the patients diagnosed as encephalic cerebral arterial stenosis with TCD.

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目的：探索血管内支架成形术在颅内动脉瘤和动脉狭窄治疗中的安全性和有效性。

Objective: To evaluate safety and efficacy of endovascular stenting for the treatment of intracranial fusiform and wide necked aneurysms and intracranial atherosclerotic stenosis.

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