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Related Experiment Videos

Intermediate and complete forms of atrioventricular canal

J M Pearl1, H Laks

  • 1Division of Cardiothoracic Surgery, UCLA Medical Center 90024-1741, USA.

Seminars in Thoracic and Cardiovascular Surgery
|January 1, 1997
PubMed
Summary

Surgical repair of complete atrioventricular canal has shifted to early infancy. Long-term outcomes now focus on mitral valve function and survival, with low early mortality.

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Area of Science:

  • Pediatric Cardiac Surgery
  • Congenital Heart Disease Management
  • Atrioventricular Canal Repair

Background:

  • Complete atrioventricular canal (CAVC) surgical management has evolved significantly over two decades.
  • The historical staged approach is largely replaced by complete repair in early infancy.
  • Early mortality, once high, is now low and mainly linked to pulmonary hypertension from delayed diagnosis.

Purpose of the Study:

  • To review the evolution of CAVC surgical management.
  • To emphasize current outcome evaluation focusing on long-term mitral valve function and survival.
  • To detail the single-patch repair technique and atrioventricular valve management.

Main Methods:

  • Review of surgical management evolution for CAVC over 20 years.
  • Description of the single-patch technique for CAVC repair.
  • Analysis of factors influencing long-term outcomes.

Main Results:

  • Shift from staged repair to complete repair in early infancy.
  • Low early mortality, with pulmonary hypertension as a key complication in delayed cases.
  • Focus on long-term mitral valve function and overall survival as primary outcome measures.

Conclusions:

  • Complete atrioventricular canal repair is now safely performed in early infancy.
  • Long-term evaluation should prioritize mitral valve function and patient survival.
  • The single-patch technique offers a viable approach to CAVC management.

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