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Related Experiment Videos

The right aortic arch revisited.

D Glew1, G G Hartnell

  • 1Department of Radiology, Bristol Royal Infirmary.

Clinical Radiology
|May 1, 1991
PubMed
Summary
This summary is machine-generated.

This study in 900 children found that the occurrence of a right-sided aortic arch differs from previous reports for certain congenital cardiac defects, possibly due to advances in medical care.

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Area of Science:

  • Pediatric Cardiology
  • Radiology
  • Congenital Heart Disease

Background:

  • A right-sided aortic arch is a rare congenital anomaly.
  • Its association with specific congenital cardiac defects is not fully established.
  • Previous literature reports varying prevalence rates.

Purpose of the Study:

  • To assess the association between congenital cardiac defects and a right-sided aortic arch in a pediatric cohort.
  • To compare observed associations with established radiological literature.
  • To identify potential discrepancies and contributing factors.

Main Methods:

  • Cardiac angiography was performed on 900 children.
  • Data on congenital cardiac defects and aortic arch laterality were collected.

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  • Statistical analysis was used to determine associations.

    • Main Results:

    • A right-sided aortic arch occurred in 15% of children with truncus arteriosus, lower than the literature's 50%.
    • Only 3% of children with tricuspid atresia had a right-sided aortic arch, lower than the literature's 15%.
    • Anatomically corrected transposition of the great arteries showed a stronger association (18.2%) than previously suggested.

    Conclusions:

    • Observed associations between right-sided aortic arch and congenital cardiac defects differ from established literature.
    • Improved survival and earlier diagnosis of neonates may influence these findings.
    • Further research is needed to understand these evolving associations.