Before vagal stimulatin, occlusion was performed for 0, 30 minutes, and then reperfusion for 0, 30, 60, 90 and 120 minutes to record the mean arterial blood pressure (MABP).

• 于迷走神经刺激前,夹闭0,30min,再灌注0,30,60,90,120min记录平均动脉压。