Objective: To investigate the effect of Shenfu injection (SFI) on myocardium ischemia-reperfusion injury (IRI) in mitral valve replacement (MVR) with cardiopulmonary bypass (CPB) and its action mechanism and proper medication.

• 目的：观察参附注射液（Shenfu injection, SFI）对体外循环（cardiopulmonary bypass, CPB）二尖瓣置换术（mitral valve replacement, MVR）心肌缺血-再灌注损伤（ischemia-reperfusion injury, IRI）的影响及其合适用药方法。