Prenatal diagnosis · 2015
Intrauterine fetal demise after prenatal diagnosis of congenital heart disease: assessment of risk.
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Divanovic Allison, Bowers Katharine, Michelfelder Erik, Jaekle Ronald, Newman Tondra, Marcotte Michael, Habli Mounira, Cnota James F
Аннотация
OBJECTIVES: Elective deliveries in fetal congenital heart disease (CHD) attempt to balance fetal and neonatal risk with the goal of optimizing overall outcome. However, the magnitude of the risk for intrauterine fetal demise (IUFD) is unclear. This study aimed to (1) determine the rate of IUFD and (2) identify fetal risk factors associated with IUFD.
METHODS: Retrospective review of pregnancies complicated by CHD between 1998 and 2010. Data were collected regarding pregnancy outcome, extracardiac anomalies (ECA), genetic and cardiac diagnoses, severity of valve regurgitation, gestational age at birth and birth weight. Fisher's exact test and odds ratios were used to compare outcomes between groups.
RESULTS: A total of 501 pregnancies analyzed resulted in 445 live births, 22 IUFD, 16 terminations and 18 unknown outcomes. Amongst IUFD, 27% had a genetic diagnosis, 50% had an ECA and 27% had severe valve regurgitation. IUFD odds increased threefold with ECA and sevenfold with severe valve regurgitation. IUFD occurred in 1.2% without risk factors.
CONCLUSIONS: IUFD in fetuses with CHD is associated with ECA, genetic syndromes and severe valve regurgitation. In absence of these fetal characteristics, the occurrence of IUFD is low, although it remains higher than in fetuses without CHD.
METHODS: Retrospective review of pregnancies complicated by CHD between 1998 and 2010. Data were collected regarding pregnancy outcome, extracardiac anomalies (ECA), genetic and cardiac diagnoses, severity of valve regurgitation, gestational age at birth and birth weight. Fisher's exact test and odds ratios were used to compare outcomes between groups.
RESULTS: A total of 501 pregnancies analyzed resulted in 445 live births, 22 IUFD, 16 terminations and 18 unknown outcomes. Amongst IUFD, 27% had a genetic diagnosis, 50% had an ECA and 27% had severe valve regurgitation. IUFD odds increased threefold with ECA and sevenfold with severe valve regurgitation. IUFD occurred in 1.2% without risk factors.
CONCLUSIONS: IUFD in fetuses with CHD is associated with ECA, genetic syndromes and severe valve regurgitation. In absence of these fetal characteristics, the occurrence of IUFD is low, although it remains higher than in fetuses without CHD.
Предметные рубрики MeSH
Abnormalities, MultipleAbortion, InducedAdolescentAdultBirth WeightCohort StudiesDelivery, ObstetricFemaleFetal DeathGenetic Diseases, InbornGestational AgeHeart Defects, CongenitalHeart Valve DiseasesHumansLive BirthOdds RatioPregnancyPregnancy OutcomePremature BirthRetrospective StudiesSeverity of Illness IndexUltrasonography, PrenatalYoung Adult