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SARASOTA, FLA. -- Improving the prenatal detection rate of congenital heart disease is now the most compelling reason for routine ultrasound screening in pregnancy, Dr. Mary E. D'Alton said at a symposium on high-risk pregnancy sponsored by Symposia Medicus.
"We have screening programs in place for the detection of trisomy 21 and spina bifida, but we have no routine programs for the detection of our most common abnormality, which is congenital heart disease," Dr. D'Alton said at the meeting.
The prevalence of congenital heart disease among live births is 8 per 1,000, and is 10.3 per 1,000 at the time of midtrimester screening. As such, it is eight times more common than trisomy 21 and four times more common than neural tube defects. Yet nationally, it has been estimated that only 15% of babies with congenital heart disease are identified prenatally, according to Dr. D'Alton, Virgil Damon professor of obstetrics and gynecology Columbia University, New York.
The abnormalities most commonly found on prenatal ultrasound examination are atrioventricular canal defects and hypoplastic ...