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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

Aortic valve repair

James S Tweddell1, Andrew N Pelech, Robert D B Jaquiss

  • 1Division of Cardiothoracic Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee 53226, USA.

Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual
|April 9, 2005
PubMed

Insights

Aortic valve repair offers a viable alternative to valve replacement in children, showing good durability and hemodynamics. This approach is particularly effective for congenital aortic stenosis and insufficiency with ventricular septal defects.

Area of Science:

  • Pediatric Cardiology
  • Cardiac Surgery
  • Biomedical Engineering

Background:

  • Limited options exist for pediatric aortic valve replacement, with inherent disadvantages.
  • Aortic valve repair techniques have evolved slowly and lack widespread adoption.
  • Previous studies indicate potential for valve repair with good early hemodynamics and intermediate durability.

Purpose of the Study:

  • To present the results of aortic valve repair at the Children's Hospital of Wisconsin.
  • To evaluate the efficacy and durability of various aortic valve repair techniques in pediatric patients.
  • To compare outcomes of aortic valve repair with aortic valve replacement in complex cases.

Main Methods:

  • Review of aortic valve repair cases at a pediatric hospital.
  • Categorization of repairs into simple (valvotomy, commissurotomy) and complex techniques.
  • Analysis of freedom from reintervention and reoperation rates at 5 and 10 years.
  • Comparison of repair outcomes with historical data for aortic valve replacement.

Main Results:

  • Simple repairs for congenital aortic stenosis showed 86% +/- 5% freedom from reintervention at 10 years.
  • Repair of aortic insufficiency with ventricular septal defect (VSD) resulted in 93.3% +/- 6% freedom from reoperation at 10 years.
  • Complex repairs demonstrated 83% +/- 7% 5-year freedom from reintervention, compared to 73% +/- 11% for aortic valve replacement (P = .62).

Conclusions:

  • Aortic valve repair is a feasible alternative to aortic valve replacement in selected pediatric patients.
  • Outcomes should be assessed by freedom from reintervention, left ventricular mass regression, and exercise testing.
  • Improved patient selection and bioprosthetic materials are crucial for enhancing outcomes.

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