The hemodynamics, concentrations of CK and CK MB in the coronary sinus blood, and the contents of malonyldialdehyde (MDA) ), K +,Na +,Ca 2+ and water in the myocardium were determined.

• 测定血流动力学参数、冠状静脉窦血清肌酸激酶（CK）及肌酸激酶同工酶（CK?MB）浓度、心肌组织丙二醛（MDA）、K＋、Na＋、Ca2＋及水含量。