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1引言婴儿期室间隔缺损约占先天性心脏病的20％，其发生率在8种最常见的先天性心脏病中排第一位。婴儿期大型室间隔缺损，由于大量血液由左向右分流，在婴儿期常引起心力衰竭，反复肺部感染，喂养困难，发育迟缓。我院从1990年12月至1998年10月手术治疗72例婴儿期室间隔缺损，
1 Introduction Infantile ventricular septal defect accounts for about 20% of congenital heart disease, the incidence of the 8 most common congenital heart disease ranked first. Large infantile ventricular septal defect, due to a large number of blood left to right shunt, often lead to heart failure in infancy, repeated lung infections, feeding difficulties, stunted growth. Our hospital from December 1990 to October 1998 surgical treatment of 72 cases of infantile ventricular septal defect,