Postconditioning can protect myocardium by inhibiting neutrophil activating,reducing oxidant-mediated injury and inhibiting intracellular and mitochondrial calcium overload and reperfusion arrhythmia.

• 缺血后处理通过抑制中性粒细胞活化,减少氧化剂介导的损伤,抑制细胞内和线粒体内钙超载,抑制再灌注心律失常而发挥心肌保护作用。