Methods Eighty six cases of ICA stenosis or occlusion confirmed by DSA were examined by using CDI and TCD, and hemodynamic changes were evaluated.

• 方法 经全脑数字减影血管造影 (DSA)检查证实的ICA狭窄或闭塞患者 86例行CDI和TCD常规检测 ,确定ICA狭窄或闭塞的形态学和颅内血流动力学及侧支循环的开放情况 ,与DSA对比分析。