Abstract：Objective To investigate the major risk factors for congenital heart disease (CHD) in Chinese neonates and to provide a reference for the prevention of CHD. Methods A literature search was performed to collect the case-control studies on the risk factors for CHD in Chinese neonates published in 2001-2016. The relevant data were extracted accordingly. The quality of included studies was assessed by Newcastle-Ottawa Scale. Sensitivity analysis was conducted using different models to analyze the same data. The publication bias was assessed by Egger's test. Results A total of 17 case-control studies involving 2 930 cases and 4 952 controls were included. The Meta analysis showed that the major risk factors for CHD in Chinese neonates were as follows:mother with advanced age (OR=2.649, 95%CI:1.675-4.189), cold or fever (OR=4.558, 95%CI:2.901-7.162), medication use in early pregnancy (OR=3.961, 95%CI:2.816-5.573), passive smoking (OR=2.766, 95%CI:1.982-3.859), abnormal childbearing history (OR=2.992, 95%CI:1.529-5.856), noise exposure (OR=3.030, 95%CI:1.476-6.217), radiation exposure (OR=2.363, 95%CI:1.212-4.607), decoration (OR=4.979, 95%CI:3.240-7.653), gestational diabetes (OR=5.090, 95%CI:3.132-8.274), and pet raising (OR=2.048, 95%CI:1.385-3.029). Conclusions Mothers with advanced age, cold or fever, medication use in early pregnancy, passive smoking, abnormal childbearing history, noise exposure, radiation exposure, decoration, gestational diabetes, and pet raising may increase the risk of CHD in Chinese neonates.
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