Observed prevalence of congenital heart defects from a surveillance study in China.

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
Yali ZhangZhu Li

Abstract

The purpose of this study was to estimate the prevalence of major and minor congenital heart defects among fetuses and neonates using sonography in a general population of 4 areas surrounding Shanghai, China. Pregnant women were recruited between April 2004 and December 2005 in Jiaxing City, Suzhou City, Changshu County, and Haining County. All participants could have 3 sonographic examinations performed by specially trained physicians regardless of medical indication: a fetal sonographic screen and fetal echocardiography between 20 and 28 weeks' gestation and neonatal echocardiography. Diagnoses of congenital heart defects were made on the basis of review of all available scans by an international group of experts in pediatric cardiology. Prevalence rates were calculated per 1000 births. Among 4006 scanned fetuses and neonates, there were 75 congenital heart defects, including 12 major defects. The observed prevalence for all congenital heart defects was 18.7 (95% confidence interval, 14.8-23.5) per 1000 births, and the prevalence for major defects was 3.0 (95% confidence interval, 1.6-5.2) per 1000 births. The most common defects were ventricular septal defects (n = 47 [62.7%]), atrial septal defects (n = 14 [18.7%]), tetralo...Continue Reading

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Citations

Feb 13, 2014·BMC Public Health·Li WuQingguo Zhao
Sep 10, 2014·Congenital Heart Disease·Ritu BhardwajBhagyalaxmi Mohapatra
Apr 5, 2012·Birth Defects Research. Part A, Clinical and Molecular Teratology·Tanya BedardJohn D Dyck
Sep 30, 2015·Chinese Medical Journal·Li YangZhen-Juan Yang
Apr 11, 2017·Cardiology in the Young·Jian-Yong ZhengTian-Chang Li
May 9, 2014·Journal of Perinatology : Official Journal of the California Perinatal Association·Q Y ShiY L Zhang
Oct 24, 2020·Birth Defects Research·Julia MurlewskaMaria Respondek-Liberska

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Birth defects encompass structural and functional alterations that occur during embryonic or fetal development and are present since birth. The cause may be genetic, environmental or unknown and can result in physical and/or mental impairment. Here is the latest research on birth defects.

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