Following 45 minutes of reperfusion, cardiac functional recoveries, sarcoplasmic reticulum Ca 2+ adenosine triphosphatase(SR Ca 2+ ATPase), Ca 2+ uptake and alterations in ultrastructure were assessed.

• 测定各组心功能，心肌肌浆网钙离子?三磷酸腺苷酶（SR Ca2 ＋?ATPase） 活性，心肌肌浆网45Ca2 ＋ 摄取和超微结构的改变。