急性缺血性急性缺血性脑卒中多模卒中多模态CT评估估各大临床实验各大临床实验AIS影像评估方法影像评估方法MR CLEANMR CLEANEXTEND-IAEXTEND-IAESCAPEESCAPESWIFTSWIFTPRIMEPRIMEREVASCATREVASCATDAWNDAWNDEFUSE 3DEFUSE 3No.of No.of patientspatients5025027070316316196196206206206206182182Imaging Imaging modalitymodalityCT,CTACT,CTACT,CTA,CT,CTA,CTPCTPCT,CTACT,CTACT,CTA,CT,CTA,CTP,CTP,MRMRCT,CTA,CT,CTA,MRMRCT,CTA,CT,CTA,CTP,CTP,MRMRCT,CTA,CT,CTA,CTP,CTP,MRMRTime Time criteria(h)criteria(h)6 64.54.512126 68 824246-166-16影像评估的意义：病灶确定、责任血管、梗死核心、缺血半暗带、侧枝循环影像评估的意
