Methods 24 patients undergoing prosthetic valve replacment were randomized to control group (group A, n =8) , aprotinin group (group B, n =8) and amrinone combined with aprotinin group (group C, n =8).

• 方法 将接受瓣膜置换手术的 2 4例患者随机分为对照组 (A组 ,n=8)、抑肽酶组 (B组 ,n=8)和氨力农加抑肽酶组 (C组 ,n=8)。