In infarct volume,group B performed significant difference with group C and group D at 2 d,3 d,and 7 d post pMCAO,but there was no difference between group C and group D.

• 梗死体积测定；在2、3、7d；B组与C组、D组比较差异有统计学意义(P?0.；05); C组与D组比较差异无统计学意义(P?0