Purpose To study the protective effect and mechanism of N? Acetylcysteine(NAC) on the ischemia reperfusion injured rat myocardium. Methods 27 Sprague Dawley rats were divided into 2 groups:The Ctrl.

• 目的 探讨于缺血前全身应用N 乙酰半胱氨酸 (NAC)对大鼠离体缺血 再灌注心脏的保护作用及其机制。