Epidemiological characteristics of congenital heart disease in infants from 2009 to 2018 in Chongming District， Shanghai

ObjectiveTo describe the incidence and distribution characteristics of congenital heart disease in newborns， and to analyze the trend of the notification rate from 2009 to 2018 in Chongming District， Shanghai.MethodsBased on the shanghai birth defects surveillance system， newborns delivered in all medical institutions in Chongming District from 2009 to 2018 were examined for congenital heart disease at birth and followed up to 42 days. The notification rate and trends of various congenital heart diseases were described.ResultsThere were 548 cases of neonatal congenital heart disease in Chongming District from 2009 to 2018， and the notification rate was 20.11‰ （95%CI： 18.47‰-21.85‰）， with statistically significant differences between years during the study period （Z=10.616， P