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Related Experiment Videos

Presentation and attrition in complex pulmonary atresia

K Bull1, J Somerville, E Ty

  • 1Cardiothoracic Unit, Hospital for Sick Children, London, United Kingdom.

Journal of the American College of Cardiology
|February 1, 1995
PubMed
Summary

Complex pulmonary atresia often presents in infancy, with significant attrition rates. Current surgical strategies may not impact overall outcomes for most patients, especially those presenting with symptoms in infancy.

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Area of Science:

  • Congenital heart disease
  • Pediatric cardiology
  • Cardiovascular surgery

Background:

  • Understanding presentation and attrition in complex pulmonary atresia is crucial for evaluating surgical strategies.
  • Variability in age and physiology at presentation impacts management.
  • Complex pulmonary atresia requires lifelong congenital heart disease management.

Purpose of the Study:

  • To summarize patterns of presentation and attrition in complex pulmonary atresia.
  • To inform the assessment of surgical strategies for complex pulmonary atresia.
  • To analyze survival data in relation to presentation and surgical history.

Main Methods:

  • Retrospective review of 218 patients with complex pulmonary atresia from two institutions.
  • Analysis of age at presentation, referral source, pulmonary artery and collateral anatomy, and surgical history.

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  • Actuarial survival analysis including surgical effects.

    • Main Results:

    • Approximately 65% of complex pulmonary atresia cases present in infancy.
    • 50% of infants present with severe cyanosis, 25% with heart failure.
    • Actuarial survival to age 1 is 60%, to age 10 is 65% (of those alive at 1), and to age 35 is 16% (of those alive at 10).

    Conclusions:

    • Novel surgical approaches are often applied after infancy in selected patients.
    • The impact of current serial and complex operations on overall outcomes for most patients remains uncertain.
    • Demonstrating successful application in symptomatic infants is necessary to ascertain the major impact of these surgical interventions.