To investigate the protective effect of solution of University of Wisconsin (UW), Bretschneider solution (HTK) and addition of trimetazidine (TMZ) to both UW and HTK organ-preserving solutions on isolated low-temperature preserved rat heart.

• 目的 探讨UW、HTK器官保存液以及加入三甲氧苄嗪（TMZ）对大鼠心脏离体低温保存的保护效果。