Methods Ischemic-feperfusion model was made by clamping the common carotid artery of one side for 30 min and then reperfused for 72 h. Sections of hippocampus were staind by HE and studied. Serum IL-8 was determined by ELBA.

• 方法新西兰大白兔夹闭单侧颈总动脉制成模型,缺血30 min再灌注72 h后通过HE染色进行组织观察,同时检测血清中IL-8的含量,探讨硫酸镁和低分子肝素对保护脑的作用机制。