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Scimitar syndrome in infancy

Y A Gao1, P E Burrows, L N Benson

  • 1Department of Diagnostic Imaging, Hospital for Sick Children, Toronto, Ontario, Canada.

Journal of the American College of Cardiology
|September 1, 1993
PubMed
Summary
This summary is machine-generated.

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Infants with scimitar syndrome often have severe symptoms due to pulmonary hypertension, anomalous systemic arteries, and heart defects. Early treatment of these anomalies is crucial for improving outcomes in affected infants.

Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Disease
  • Medical Imaging and Diagnostics

Background:

  • Scimitar syndrome diagnosis in infants typically presents with severe symptoms and poor prognosis, unlike incidental findings in older individuals.
  • Infantile scimitar syndrome is characterized by significant clinical challenges and adverse outcomes.

Purpose of the Study:

  • To identify the key anatomic and physiological factors contributing to severe symptoms and poor prognosis in infants with scimitar syndrome.
  • To elucidate the underlying causes of severe presentation in infantile scimitar syndrome.

Main Methods:

  • Review of clinical, catheterization, and imaging data from 13 infants with scimitar syndrome within the first six months of life.
  • Emphasis on pulmonary artery pressure, cardiovascular anatomy, therapeutic interventions, and patient outcomes.

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Main Results:

  • Pulmonary hypertension was present in 12 of 13 infants; 6 patients died despite treatment.
  • Associated cardiac malformations (11/13) and systemic arterial collateral channels (9/13) were common. Left-sided heart anomalies were associated with higher mortality.
  • Interventions included ligation/embolization of systemic arteries (7 patients), angioplasty/stenting for pulmonary vein stenosis (2 patients), and surgical repair of associated anomalies.

Conclusions:

  • Severe symptoms and pulmonary hypertension in infantile scimitar syndrome stem from multiple factors including anomalous systemic arterial supply, pulmonary vein stenosis, and associated cardiovascular anomalies.
  • The feasibility of early treatment for these complex anomalies dictates the ultimate prognosis for affected infants.