急性脑梗死占急性脑卒中的60％～80％［1］。本文报告32例急性脑梗死的数字减影（DSA）结果，分析DSA与临床的关系，进一步明确血管病变的部位，以及梗死部位血管与周围血管的侧支循环情况，为临床诊断和治疗提供手段。1 临床资料1．1 一般资料：收集1992~1998年我科住院和门诊 Acute cerebral infarction accounts for 60% to 80% of acute stroke [1]. In this paper, we report the results of digital subtraction (DSA) in 32 patients with acute cerebral infarction. We analyzed the relationship between DSA and clinical features, further clarified the location of vascular lesions and collateral circulation of blood vessels and peripheral blood vessels in the infarcted area, and provided the means for clinical diagnosis and treatment . 1 clinical data 1.1 General Information: collected from 1992 to 1998 in our hospital and out-patient