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先天性心脏病(先心)是一种儿科常见病,是胎儿时期心脏血管发育异常而导致的畸形疾病。据统计该病占小儿各种心脏病发病率的首位。先心在我国婴儿中,其发生率为7～8‰,而在儿童中则为3.6‰。因此,先心病因探讨引起人们极大的关注。先心的病因,目前尚不完全清楚。近年来,由于医学遗传学、胚胎学和生物化学等学科的发展,对先心的病因有了进一步的认识。据大量资料统计,由染色体畸变引起的先心约占
Congenital heart disease (congenital heart disease) is a common pediatric disease, abnormal fetal heart disease caused by abnormal deformity of the heart disease. According to statistics, the disease accounted for the highest incidence of various heart diseases in children. Preoccupation with infants in our country, the incidence was 7 ~ 8 ‰, while in children was 3.6 ‰. Therefore, the cause of congenital heart disease caused great concern. The etiology of congenital heart is not yet fully understood. In recent years, due to the development of medical genetics, embryology and biochemistry, the cause of congenital heart disease has been further recognized. According to a large number of statistics, the congenital heart caused by chromosome aberrations accounted for