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Quadricuspid truncal valve repair in a 6-year-old with severe annular dilatation

Igor E Konstantinov1,2, Bakhytzhan Nurkeyev2, Erbol Aldabergenov2

  • 1Cardiovascular Surgery, Mayo Clinic, Rochester, MN 55905, USA

Multimedia Manual of Cardiothoracic Surgery : MMCTS
|August 10, 2026
PubMed

Insights

Reintervention after truncus arteriosus repair often requires addressing truncal valve regurgitation. This case demonstrates successful valve-preserving repair using annular reduction and tricuspidization in a pediatric patient.

Area of Science:

  • Cardiovascular Surgery
  • Pediatric Cardiology
  • Congenital Heart Disease

Background:

  • Reintervention after truncus arteriosus repair is frequently necessitated by progressive neoaortic (truncal) valve regurgitation.
  • Valve dysfunction is often linked to annular and root dilatation, not intrinsic leaflet issues.

Purpose of the Study:

  • To present a case of successful truncal valve repair in a pediatric patient with severe regurgitation due to annular dilatation.
  • To emphasize the efficacy of valve-preserving strategies in managing truncal valve dysfunction.

Main Methods:

  • A 6-year-old child with prior truncus arteriosus repair underwent truncal valve repair.
  • Procedures included tricuspidization, annular reduction, root stabilization, and right pulmonary valve replacement.

Main Results:

  • Postoperative echocardiography showed excellent truncal valve function with trace regurgitation.
  • Valve function remained stable at 2-month follow-up.

Conclusions:

  • Annular reduction and valve-preserving techniques are crucial in truncal valve surgery.
  • Successful management of truncal valve regurgitation can be achieved through targeted repair strategies.

Keywords:
Aortic valve repairCongenital heart diseaseTruncus arteriosus

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