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The outcome of fetal congenital heart disease
1Department of Pediatric Cardiology, New York Presbyterian Hospital, NY, USA. la48@columbia.edu
Insights
Fetal diagnosis of congenital heart disease often reveals more severe conditions than postnatal cases. Improved prenatal detection and care enhance outcomes for affected neonates.
Area of Science:
- Cardiology
- Prenatal Diagnosis
- Neonatal Care
Background:
- Congenital heart disease (CHD) diagnosis in utero presents a different spectrum and severity compared to postnatal findings.
- Fetal echocardiography case selection influences observed disease severity, often favoring more complex cases.
- Detection rates for CHD during routine obstetric scanning are improving but remain imperfect.
Purpose of the Study:
- To analyze the spectrum and severity of congenital heart disease detected prenatally.
- To highlight the impact of case selection on fetal echocardiography findings.
- To discuss future directions in prenatal CHD detection and management.
Main Methods:
- Review of series reporting congenital heart disease detected in utero.
- Comparison of prenatal versus postnatal CHD case data.
- Analysis of factors influencing detection rates in fetal echocardiography.
Main Results:
- Prenatal series tend to report more severe forms of CHD with poorer outcomes.
- Detection of major malformations, even in the four-chamber view, is not yet perfect.
- Case selection for fetal echocardiography skews towards more severe disease presentations.
Conclusions:
- Prenatal detection of CHD reveals a more severe disease spectrum than postnatal diagnosis.
- Advancements in ultrasonography and fetal echocardiography are improving detection rates.
- Earlier detection and improved perinatal care are expected to enhance outcomes for neonates with CHD.
Abstract:
Series reporting congenital heart disease detected in utero all indicate a different spectrum and severity of disease than is seen in postnatal series, with a tendency toward more severe disease with a poorer outcome. This is largely because of the manner in which cases are selected for fetal echocardiography. As most forms of heart disease occur in otherwise normal pregnancies with no high risk features, detection of these cases is dependent on the skill of the ultrasonographer performing general obstetric scanning. Although detection of even major malformations seen in the four chamber view, is still less than perfect, it is improving. In the future, it is expected that malformations will be detected in earlier pregnancy and examination will include evaluation of great artery structure. This will give more parents the option of termination of pregnancy in complex disease. Alternatively, in continuing pregnancies, the outcome for the affected neonate will be improved by ideal perinatal care.