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先天性心脏病(Congenital Heart Disease,CHD)是胎儿期心脏或大血管发育差错所致的一组心脏结构或功能异常的疾病,是小儿最常见的心脏病。据国外文献记载,CHD的发病率在0.37～1.04％之间,而国内文献的发病率为0.7～0.8％。儿童期CHD患病率高于成年人。国外报道,该病在学龄期儿童中的患病率为0.2％,国内报道学龄期的患病率约在0.13～0.31％之间。多数报道本病男女之间无显著差异。各种CHD患儿出生有一定季节分布特点,如动脉导管未闭
Congenital heart disease (CHD) is a group of heart disease or dysfunction caused by fetal or major vascular malformations and is the most common heart disease in children. According to foreign literature, the incidence of CHD is between 0.37 and 1.04%, while the incidence of domestic literature is between 0.7 and 0.8%. The prevalence of CHD in childhood is higher than in adults. Foreign reports, the prevalence of school-age children in the prevalence rate of 0.2%, the prevalence of reported domestic school age of about 0.13 ~ 0.31%. Most reported no significant difference between men and women of the disease. A variety of CHD children born with a seasonal distribution characteristics, such as patent ductus arteriosus