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Surgical mitral valve repair in children with rheumatic fever

Andréa Rocha e Silva1, Gesmar Volga Haddad Herdy, Alan Araujo Vieira

  • 1Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brasil.

Arquivos Brasileiros De Cardiologia
|July 25, 2009
PubMed

Insights

Mitral valve repair in children with rheumatic heart disease significantly improves regurgitation and functional class. Most patients avoided valve replacement within four years, showing favorable surgical outcomes.

Area of Science:

  • Pediatric Cardiology
  • Cardiac Surgery
  • Rheumatic Heart Disease

Background:

  • Mitral valve repair is a recognized treatment for children with rheumatic fever.
  • Rheumatic heart disease commonly affects the mitral valve, necessitating surgical intervention.

Purpose of the Study:

  • To evaluate the long-term outcomes of surgical mitral valve repair in pediatric patients with rheumatic heart disease.
  • To analyze functional class, mitral regurgitation severity, and the need for valve replacement post-repair.

Main Methods:

  • Retrospective analysis of 40 pediatric patients (<18 years) undergoing mitral repair between 1998-2003.
  • Assessment of echocardiographic mitral regurgitation, surgical techniques, pre/postoperative functional class, and patient outcomes.
  • Follow-up included evaluation for valve replacement and mortality.

Main Results:

  • Severe mitral regurgitation was present in 80% of patients preoperatively.
  • Post-repair, 94.6% showed no or mild regurgitation, and 100% improved to functional class I or II.
  • 19% of patients required heart valve replacement within four years; immediate mortality was 7.5%.

Conclusions:

  • Surgical mitral valve repair demonstrates positive outcomes regarding mitral regurgitation and functional class in pediatric rheumatic heart disease.
  • A significant majority of patients maintained good valve function, with a minority requiring subsequent valve replacement.
Abstract

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