A study of congenital cardiac disease in a neonatal population–the validity of echocardiography undertaken by a neonatologist
Abstract
OBJECTIVES: To estimate the incidence of, and profile the spread of, congenital cardiac defects, and to assess the accuracy of the echocardiographic diagnosis as performed by a neonatologist. DESIGN: Hospital-based study. METHODS: All neonates meeting our criterions, specifically those with a persistent murmur 48 hours after birth, underwent an echocardiographic examination to exclude an underlying congenital cardiac defect. All scans performed by the neonatologist were videotaped and reviewed by a paediatric cardiologist. We assessed concordance according to inter-rater agreement. RESULTS: Out of 11,085 live births, there were 83 infants with a congenital cardiac defect, giving an incidence of 7.49 per 1000 live births, with 95% confidence interval from 5.88 to 9.09. Of the infants with a murmur persisting at or greater than 48 hours after birth, who had a median age of 4.5 days, 75% had a congenital heart defect, with ventricular septal defect being the commonest, encountered in 56.7% of cases. Concordance between the neonatologist and the cardiologist was good, with Cohen's Kappa coefficient being calculated at 0.68, and 95% confidence interval from 0.51 to 0.85. CONCLUSION: The incidence of congenital cardiac malformations as determined in our hospital-based study in the United Arab Emirates is similar to that described in the Gulf region and worldwide. A persistent murmur at or greater than 48 hours after birth is strongly suggestive of an underlying congenital cardiac malformation. Our experience shows that a neonatologist appropriately trained in echocardiography can perform as well as a paediatric cardiologist. Where specialist resources are limited, this allows for early diagnosis, earlier referral if necessary, and early institution of appropriate therapy.
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The predominance of ventricular septal defect is similar to the findings in spontaneously conceived pregnancies.
“Ventricular septal defect was the predominant cardiac anomaly (5 of 8 newborns with cardiac anomalies), similar to the findings in spontaneously conceived pregnancies (16,17).”
From Congenital malformations among 911 newborns conceived after infertility treatment with letrozole or clomiphene citrate (2006) · cites this paper as [16]
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- Authors
- Samson, G. R., & Kumar, S. R.
- Affiliations
- Corniche Hospital (AE)
- Mafraq Hospital (AE)
- Venue
- Cardiology in the Young
- Publisher
- Cambridge University Press (CUP)
- Published
- 2004-12
- Volume
- 14
- Issue
- 6
- Pages
- 585-593
- ISSN
- 1047-9511 (ISSN-L)
- 1467-1107
- OpenAlex
- W2160967154
- Cited by
- 26
- References
- 44
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 2 · 2022: 1 · 2021: 1 · 2020: 1 · 2016: 2 · 2015: 2 · 2013: 2 · 2012: 1
- FWCI
- 1.70
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Cardiology in the Young (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Epidemiology › Congenital Heart Disease Studies
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Cardiovascular Conditions and Treatments
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
- Keywords
- congenital heart disease, neonates, echocardiography, diagnostic accuracy, interobserver agreement, ventricular septal defect, incidence, United Arab Emirates
- MeSH terms
- Arrhythmias, Cardiac, Female, Heart Defects, Congenital, Heart Murmurs, Heart Septal Defects, Ventricular, Humans, Infant, Newborn, Neonatology, Pregnancy, Pregnancy in Diabetics, Ultrasonography, Reproducibility of Results, Observer Variation
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