本文介绍84例婴幼儿法洛四联症根治术的经验与体会。为此,实施了3岁以下婴幼儿法洛四联症根治术84例,其中1岁以下12例,1～2岁31例,2～3岁41例。结果表明,掌握手术时机,术中减少损伤,避免VSD残余分流及传导术损伤,彻底解除右室流出道狭窄,提高CPB技术及管理,是降低死亡率,减少术后并发症,提高疗效的关键。 This article describes 84 cases of infantile tetralogy of Fallot experience and experience. To this end, the implementation of the infants under 3 years old tetralogy of Fallot in 84 cases, including 12 cases of 1-year-old, 1 to 2 years in 31 cases, 2 to 3 years old in 41 cases. The results showed that it is the key to reduce the mortality, reduce the postoperative complications and improve the curative effect by grasping the timing of operation, reducing the injury during surgery, avoiding the residual shunt and conduction injury of VSD, completely releasing the right ventricular outflow tract stenosis and improving the CPB technique and management .