Objective: To evaluate the effects of initial reperfusion with different concentration of 2,3 butanedione monoxime(BDM) on the mechanical function and oxygen metabolism in hearts following cold cardioplegic arrest.

• 目的:探讨不同浓度的2,3-丁二酮单肟(2,3 butanedione monoxime,BDM)初始复灌对停搏心脏机械功能和氧代谢恢复的影响,确定理想作用浓度并初步探讨其机制。