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Updated: Feb 24, 2026

Fetal Mouse Cardiovascular Imaging Using a High-frequency Ultrasound 30/45MHZ System
Published on: May 5, 2018
[Prenatal exposure to ambient air pollution and congenital heart disease: a Meta-analysis]
1Department of Epidemiology and Biostatistics, School of Public Health, Health Science Center of Xi'an Jiaotong University, Xi'an 710061, China.
Abstract:
Objective: To explore the association between exposure to ambient air pollution during pregnancy and congenital heart disease so as to provide evidence for primary prevention of congenital heart disease. Methods: Epidemiologic studies on ambient air pollution and congenital heart diseases were reviewed. Summary risk estimates were calculated at high versus low exposure levels and risk per-unit-increase in continuous pollutant concentration. Meta-analysis was conducted with Stata 12.0 software. Results: A total of 20 articles in English were qualified for inclusion. Results from Meta-analysis showed that CO exposures were related to the increase on the risk of tetralogy of fallot (high versus low exposure level OR=1.22, 95%CI: 1.03-1.44), while the exposures to NO(2) were related to the increase on risk of coarctation of aorta (per 10 mm(3)/m(3) OR=1.01, 95%CI: 1.01-1.20). Exposures to O(3) were related to the increase on risk of atrial septal defect (per 10 mm(3)/m(3) OR=1.14, 95%CI: 1.03-1.26), and PM(10) exposures were related to the increase on risk of atrial septal defect (per 10 μg/m(3) OR=1.10, 95%CI: 1.03-1.19). In addition, there were inverse associations between CO and atrial septal defect and between PM(10) and ventricular septal defect. Conclusion: Exposures to CO, NO(2), O(3), PM(10) during pregnancy seemed to be associated with congenital heart diseases.
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