Methods SAH was produced by making a nylon thread pass through the right internal carotid artery and pierce its bifurcation.SAH was confirmed by postmortem examination.

• 方法从大鼠颈内动脉颈段穿入尼龙线至颅内,分别观察尼龙线入颅部位、颅内有无蛛网膜下腔出血并行病理切片检查。