Congenital Heart Disease(CHD)Shengjing HospitalPediatricsYu XuexinPediatrics,Shengjing Hospital2023/1/9IntroductionIntroductionIntroductionIntroductionCHD is defined as an abnormality in circulatory structure or function that is present at birth,even if it is discovered much later.Incidence:6.9 in alive neonatal.150,000 neonatal suffer from CHD in China per year.New treatments：catheterization、development of operation,etc.Pediatrics,Shengjing Hospital2023/1/9ObjectandRequestObjectandRequestObject
