Congenital heart disease presenting in the newborn

The single decision that changes everything in a newborn with suspected heart disease is whether the lesion is duct-dependent. If it is, the open ductus arteriosus is the only route keeping blood reaching the lungs or the body, and the baby will collapse when it closes. Recognising that fact in the first hour — and starting prostaglandin to hold the duct open — is the difference between a planned transfer to a cardiac centre and a cardiorespiratory arrest. Most newborns with critical CHD look well at first; the trap is being reassured by that early wellbeing. ^{[1] [6]}

This page covers the newborn presentation of CHD: the bedside split, the physiology of duct closure, pulse-oximetry screening, the prostaglandin-first resuscitation, definitive transfer and intervention, and family counselling. It links out to the dedicated leaves for neonatal cyanosis and the collapsed neonate, neonatal respiratory distress, and prenatal diagnosis rather than repeating them. ^[1]

Overview & Definition

Congenital heart disease presenting in the newborn period demands rapid recognition because duct-dependent lesions can collapse within hours of birth. The key clinical question is always: does this infant need prostaglandin E1 right now? ^[1]

The reason CCHD behaves as it does in the newborn is the ductus arteriosus. In fetal life it shunts blood from the pulmonary artery to the aorta, bypassing the lungs. After birth it narrows functionally over 24 to 48 hours and is permanently closed by 2 to 3 weeks. A normal heart does not need the duct. A duct-dependent lesion does — and when the duct closes, that lesion declares itself. So the practical question at the bedside is always the same: is this baby dependent on the duct? ^[6]

Antenatal detection picks up roughly half to two-thirds of critical lesions overall, but it is imperfect for the lesions that most often collapse: transposition of the great arteries and the left-heart obstructions. A baby with a normal antenatal cardiac scan can still present in shock from coarctation on day three. ^[10]

References10ShowHide

1. [1]de-Wahl Granelli A; Wennergren M; Sandberg K; et al Impact of pulse oximetry screening on the detection of duct dependent congenital heart disease: a Swedish prospective screening study in 39,821 newborns. BMJ, 2009.PMID 19131383
2. [2]Thangaratinam S; Brown K; Zamora J; et al Pulse oximetry screening for critical congenital heart defects in asymptomatic newborn babies: a systematic review and meta-analysis. Lancet, 2012.PMID 22554860
3. [3]Ewer AK; Furmston AT; Middleton LJ; et al Pulse oximetry as a screening test for congenital heart defects in newborn infants: a test accuracy study with evaluation of acceptability and cost-effectiveness. Health Technol Assess, 2012.PMID 22284744
4. [4]Mahle WT; Martin GR; Beekman RH 3rd; et al Endorsement of Health and Human Services recommendation for pulse oximetry screening for critical congenital heart disease. Pediatrics, 2012.PMID 22201143
5. [5]van der Linde D; Konings EE; Slager MA; et al Birth prevalence of congenital heart disease worldwide: a systematic review and meta-analysis. J Am Coll Cardiol, 2011.PMID 22078432
6. [6]Wren C; Reinhardt Z; Khawaja K Twenty-year trends in diagnosis of life-threatening neonatal cardiovascular malformations. Arch Dis Child Fetal Neonatal Ed, 2008.PMID 17556383
7. [7]Ailes EC; Gilboa SM; Honein MA; et al Estimated number of infants detected and missed by critical congenital heart defect screening. Pediatrics, 2015.PMID 25963011
8. [8]Frank LH; Bradshaw E; Beckman R; et al Critical congenital heart disease screening using pulse oximetry. J Pediatr, 2013.PMID 23266220
9. [9]Browning Carmo KA; Barr P; West M; et al Transporting newborn infants with suspected duct dependent congenital heart disease on low-dose prostaglandin E1 without routine mechanical ventilation. Arch Dis Child Fetal Neonatal Ed, 2007.PMID 16905574
10. [10]Escobar-Diaz MC; Freud LR; Bueno A; et al Prenatal diagnosis of transposition of the great arteries over a 20-year period: improved but imperfect. Ultrasound Obstet Gynecol, 2015.PMID 25484180