Progress in epidemiological research of congenital heart disease in preschool children in China
Congenital heart disease (CHD) is one of the most common causes of death from birth defects in infants and young children. Preschool age can be used as a supplementary stage to the neonatal period for CHD screening, which is an excellent period for early screening, diagnosis, and treatment of CHD. The prevalence of CHD in preschool children in China has obvious regional differences. Atrial septal defect (ASD), ventricular septal defect (VSD), and patent ductus arteriosus (PDA) are the most common three types. Boys more often have more complex and severe CHD, while girls mostly have simple CHD. High altitude is related to the high prevalence of CHD, and the prevalence in low-income areas is relatively high. Studying the epidemiology of CHD in preschool children can provide more help for more accurate risk prediction and primary prevention.
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