For the experimental group, transorbital electrocoagulation was carried out to occlude the middle cerebral artery, then the rabbits were undergone DWI with different parameters at 0.5 h, 2 h, 4 h, and 6 h after the right middle cerebral artery occlusion.

• 实验组经眶入路电凝大脑中动脉；选择DWI参数；分别在兔右大脑中动 脉阻塞(MCAO)后0.；5h、2h、4h、6h进行DWI检查;