Myocardial function variables (LVDP, +dp/dtmax, -dp/dtmax) ,coronory artery flow (CAF) ,ATP,MDA and myocardial water content ( WC) were measured.

• 测定再灌注期左室发展压(LVDP)、最大收缩变化率(+dp/dtmax)、最大舒张变化率(-dp/dtmax)及冠脉流量(CAF); 测定心肌细胞内三磷酸腺苷(ATP)、丙二醛(MDA)及心肌含水量(WC);