Evaluation of risk factors for prediction of outcome in fetal spectrum of atrioventricular septal defects

Congenital Heart Disease
Rima S BaderNorman H Silverman

Abstract

Atrioventricular septal defects (AVSD) are very commonly diagnosed in utero. Heterotaxy/chromosomal abnormalities frequently coexist with AVSD. However, outcomes of fetal AVSD are not precisely known. We attempted to define mortality risk factors in AVSD. We retrospectively searched our database, electronic records, and echocardiograms with diagnosis of fetal AVSD from 2003 to 2012. We investigated the following risk factors: atrial situs, heart rate/rhythm, ventricular dominance/morphology, atrioventricular valve regurgitation, cardiothoracic ratio, ejection fraction, and extracardiac anomalies. Forty-five fetuses with a median gestational age of 28 weeks (17.5-37.1) were determined to have AVSD during the 10 years, of which 12 were either lost to follow-up (6) or underwent termination (6). There were 16 deaths (48%); two died in utero. Isomerism was identified in 17 of 45 (37%) fetuses (11 left atrial, 6 right atrial isomerism) and chromosomal abnormalities were identified in 12 (27%). Twenty-eight of 33 fetuses, not lost to follow-up or terminated, had extracardiac anomalies which had associated increased mortality (57% vs. 0%, P = .04). Heart block (75% vs. 43%, P = .12), left ventricular noncompaction (80% vs. 43%, P = .17...Continue Reading

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Citations

Apr 2, 2016·Pediatric Cardiology·Claudia StöllbergerJosef Finsterer
Dec 6, 2018·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Maciej SłodkiUNKNOWN International Prenatal Cardiology Collaboration Group

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