Methods Forty patients suffering from congenital ventricular septal defect or alrial septal defect were randomly divided into the control group and the treated groups (l-Arg, FDP,l-Arg plus FDP), 10 cases in each group .

• 方法拟行心内直视手术的先天性心脏病患者40例,随机分为对照组(A组)、l-Arg组(B组)、FDP组(C组)和联合用药组(D组),每组10例。