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先天性心脏病(以下简称先心病)临床并不少见。据国外的资料,其发生率占每千活婴的3.2～7.6。国内尚无新生儿中先心病发生率的精确统计。根据内蒙、黑龙江、四川等地对中小学生普查的资料,先心病的发生率为2.04～3.13‰,地处高原的青海湟中地区高达13.7‰。先心病是胚胎发育异常所致的心脏大血管畸形。各种类型的先心病虽有千变万化,但其基本病理生理改变是①流出道梗阻及阻塞性肺血管病变而致的压力负荷过度;②分流和返流所致的容量负荷过度;③动
Congenital heart disease (hereinafter referred to as congenital heart disease) is not uncommon clinical. According to foreign data, the incidence rate of 3.2 to 7.6 per thousand live births. There is no accurate statistics on the incidence of congenital heart disease in newborns. According to the survey data of primary and middle school students in Inner Mongolia, Heilongjiang and Sichuan, the incidence of congenital heart disease is 2.04-3.13 ‰, and the area of Qinghai-Langzhong, located in the plateau, reaches as high as 13.7 ‰. Congenital heart disease is caused by abnormal embryonic heart macrovascular malformations. Although various types of congenital heart disease ever-changing, but its basic pathophysiological changes are ① outflow obstruction and obstructive pulmonary vascular disease caused by excessive pressure overload; ② diversion and reflux due to capacity overload; ③ move