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Ebstein's anomaly in neonates.

C Moura1, H Guimarães, J C Areias

  • 1Serviço de Cardiologia Pediátrica e de Neonatologia Departamento de Pediatria do Hospital de S. João, Porto.

Revista Portuguesa De Cardiologia : Orgao Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology
|January 5, 2002
PubMed
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Ebstein's anomaly, a rare congenital heart defect, involves abnormal tricuspid valve attachment. This neonatal intensive care unit study highlights clinical findings, diagnostic features, and outcomes for affected infants.

Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Disease
  • Neonatal Intensive Care

Background:

  • Ebstein's anomaly is a rare congenital heart disease characterized by abnormal tricuspid valve leaflet attachment.
  • This malformation leads to apical displacement of the tricuspid valve orifice into the right ventricle (RV).

Purpose of the Study:

  • To retrospectively analyze patients with Ebstein's anomaly admitted to a neonatal intensive care unit.
  • To describe the clinical presentation, diagnostic findings, and outcomes in neonates with this condition.

Main Methods:

  • Retrospective review of ten neonates with Ebstein's anomaly admitted between January 1993 and March 2000.
  • Analysis of clinical findings, chest X-ray, electrocardiography, echocardiography, and patient outcomes.

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Main Results:

  • Holosystolic murmur (100%) and cyanosis (80%) were common clinical signs.
  • Chest X-ray showed "balloon-shaped" enlarged heart (90%); ECG revealed right atrial enlargement (70%) and arrhythmias (40%).
  • All patients had apical displacement of the tricuspid valve septal leaflet and tethering; 90% had tricuspid regurgitation, 50% had an intracardiac shunt.

Conclusions:

  • Ebstein's anomaly presents significant challenges in neonates, often with severe tricuspid regurgitation and intracardiac shunting.
  • While some neonates require surgery or succumb in the neonatal period, others can achieve clinical stability with medical management.
  • Early diagnosis and management are crucial for improving outcomes in affected infants.