Methods: TCD and digital subtraction angiography (DSA) were performed in 128 inpatients with ischemic cerebrovascular disease.The changes of intracranial artery stenosis were observed.

• 方法：对确诊的128例缺血性脑血管病进行TCD与数字减影血管造影(DSA)检查，观察颅内血管的变化情况。