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先天性心脏病(简称先心病)是一种常见的先天性畸形,其发病率约为7‰～8‰[1]。随着我国经济的发展,先心病得到了患儿家长及社会的重视,要求手术的患儿年龄越来越小。但是婴幼儿术后并发症比例远高于年长儿,感染是其中主要原因之一。手术后免疫功能低下引发感染,常常使手术失败
Congenital heart disease (referred to as CHD) is a common congenital malformations, the incidence of about 7 ‰ ~ 8 ‰ [1]. With the economic development of our country, congenital heart disease has received the attention of children and parents and the community. Children who require surgery are getting younger and younger. However, the proportion of postoperative complications in infants and young children is much higher than those in older children. Infection is one of the major causes. Poor immune function after surgery triggers infection and often fails surgery