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Presentation of obstructive left heart malformations in infancy
1Department of Paediatric Cardiology, Freeman Hospital, Newcastle upon Tyne.
Archives of Disease in Childhood. Fetal and Neonatal Edition
|November 1, 1994
Summary
Newborn and 6-week screenings for critical congenital heart disease are ineffective. Many infants with serious heart conditions like hypoplastic left heart syndrome are missed, leading to delayed diagnosis and poor outcomes.
Area of Science:
- Pediatric Cardiology
- Neonatal Screening
- Congenital Heart Disease
Background:
- Acutely life-threatening congenital heart disease (CHD) presents significant diagnostic challenges in infancy.
- Early detection is crucial for improving outcomes in infants with obstructive left heart malformations.
Purpose of the Study:
- To evaluate the effectiveness of neonatal and 6-week postnatal screening examinations for identifying critical CHD.
- To assess the performance of these screening protocols in a real-world setting.
Main Methods:
- Retrospective analysis of 120 infants with obstructive left heart malformations (hypoplastic left heart syndrome, interrupted aortic arch, coarctation of the aorta, aortic valve stenosis) from 1987-1991.
- Review of neonatal and 6-week examination findings, referral patterns, and clinical outcomes.
Main Results:
- Only 34 out of 120 infants had an abnormal neonatal examination, with 8 referred. 51 infants developed heart failure before 6 weeks, and 7 died undiagnosed.
- Of 36 infants without a diagnosis by 6 weeks, 17 had abnormal second examinations. Two died undiagnosed after 6 weeks, and 18 presented later up to 11 months.
Conclusions:
- Neonatal and 6-week examinations demonstrate poor performance as screening tests for critical congenital heart disease.
- A normal neonatal examination does not rule out the presence of life-threatening congenital heart disease in infants.