目的：观察天麻素和红花注射液治疗椎-基底动脉系统TIA的效果。

Objective: To observe the effect of gastrodin and safflower injection in treating TIA of vertebrobasilar system.

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主要观察指标：主动脉弓、颈内动脉及椎基底动脉系统血管结构异常的类型、分布及比例。

MAIN OUTCOME MEASURES: Type, distribution and proportion of vessel structural abnormity of aortic arch, carotid artery and vertebrobasilar system.

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结论我们的初步经验认为血管内支架成形术是治疗基底动脉狭窄，预防基底动脉系统脑卒中的安全、有效方法。

Conclusion Endovascular stenting is effective and safe for basilar artery stenosis, it can prevent stroke of the vertebrobasilar system.

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