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Related Experiment Videos

Functional aortic atresia in congenitally corrected transposition.

K C Chan1, P Da Costa, D F Dickinson

  • 1Department of Paediatric Cardiology, Killingbeck Hospital, Leeds, U.K.

International Journal of Cardiology
|November 1, 1989
PubMed
Summary

A rare congenital heart defect case in an infant with corrected transposition and severe atrioventricular valve regurgitation mimicked aortic atresia, but was functional. This unique presentation offers new insights into complex congenital heart disease.

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Area of Science:

  • Pediatric Cardiology
  • Congenital Heart Disease
  • Echocardiography

Background:

  • Congenitally corrected transposition of the great arteries (ccTGA) is a rare congenital heart defect.
  • Severe left atrioventricular valve regurgitation can significantly impact cardiac function.
  • Aortic atresia is a critical congenital heart defect requiring immediate intervention.

Observation:

  • An infant presented with clinical and Doppler echocardiographic findings suggestive of aortic atresia.
  • The infant had a known diagnosis of congenitally corrected transposition of the great arteries.
  • Severe regurgitation of the left atrioventricular valve was noted.

Findings:

  • The echocardiographic features initially suggested aortic atresia.
  • Further evaluation revealed the aortic atresia to be functional, not anatomical.

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  • This functional aortic atresia was secondary to the severe left atrioventricular valve regurgitation in the context of ccTGA.

    • Implications:

    • This case highlights the importance of comprehensive echocardiographic assessment in complex congenital heart disease.
    • Recognizing functional aortic atresia can prevent unnecessary aggressive interventions.
    • This previously unreported clinical scenario expands the understanding of ccTGA presentations.