Methods The healthy adult dogs were exposed and partly sutured carotid artery to establish carotid artery stenosis model and to examine by CTA and DSA.

• 方法选健康成年犬解剖显露颈动脉后用缝合线部分缩窄颈动脉建立颈动脉狭窄动物模型,行CTA和DSA检查并进行比较分析。