Midterm results of mitral valve repair with artificial chordae in children

Kazu Minami1, Hideaki Kado, Sadahiro Sai

  • 1Department of Cardiovascular Surgery, Fukuoka Children's Hospital, Fukuoka, Japan.

Insights

Artificial chordal replacement using expanded polytetrafluoroethylene sutures is a safe and effective mitral valve repair in children, showing favorable midterm results and supporting patient growth.

Area of Science:

  • Pediatric Cardiac Surgery
  • Cardiovascular Surgery
  • Medical Devices

Background:

  • Mitral valve repair in children presents unique challenges due to growth and development.
  • Expanded polytetrafluoroethylene (ePTFE) sutures offer a promising solution for artificial chordal replacement in pediatric mitral valve repair.

Purpose of the Study:

  • To evaluate the midterm clinical outcomes of mitral valve repair using ePTFE sutures in pediatric patients.
  • To assess the safety and efficacy of this technique in a pediatric population.

Main Methods:

  • Retrospective analysis of 39 children undergoing mitral valve repair with ePTFE chordal replacement between April 1995 and September 2003.
  • Patients had moderate or severe mitral regurgitation due to anterior mitral leaflet prolapse.
  • Mean follow-up was 5.0 years.

Main Results:

  • No operative or late deaths occurred.
  • Only one patient required mitral valve replacement post-procedure.
  • Actuarial freedom from reoperation was 94.8% at 5 years and 89.5% at 8 years.
  • 84.6% of patients had trivial or less mitral regurgitation at latest follow-up.

Conclusions:

  • Mitral valve repair with ePTFE sutures provides favorable midterm results in children.
  • The procedure is safe and effective, accommodating for patient growth.
  • This technique shows potential for long-term pediatric cardiac care.
Abstract

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