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Ebstein's anomaly: repair based on functional analysis.

S Chauvaud1, A Berrebi, N d'Attellis

  • 1Department of Cardiovascular Surgery, Hôpital Européen Georges Pompidou, 20, rue Leblanc, 75015 Paris, France. sylvain.chauvaud@egp.ap-hop-paris.fr

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
|April 16, 2003
PubMed
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Mobilizing the anterior leaflet during Ebstein's anomaly repair improves tricuspid valve function and reduces reoperations. This conservative surgical approach offers excellent long-term outcomes for patients.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Congenital Heart Disease

Background:

  • Ebstein's anomaly often involves restricted anterior leaflet motion, contributing to tricuspid valve insufficiency.
  • Traditional repair methods like transverse plication may not fully restore leaflet function.

Purpose of the Study:

  • To evaluate the long-term results of a modified surgical technique for Ebstein's anomaly.
  • To assess the efficacy of anterior leaflet mobilization combined with longitudinal right ventricular plication.

Main Methods:

  • A cohort of 191 patients underwent surgery between 1980 and 2002.
  • The technique involved anterior leaflet mobilization, longitudinal right ventricular plication, and prosthetic annuloplasty.
  • Bidirectional cavo-pulmonary shunt was used in 60 patients; 4 required valve replacement.

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Main Results:

  • Hospital mortality was 9%, primarily due to right ventricular failure.
  • Actuarial survival reached 82% at 20 years, with 80% experiencing mild tricuspid insufficiency (1-2+).
  • Reoperation rates were 8%, with successful secondary repairs in 10 patients. Significant improvements in left ventricular ejection fraction and reductions in arrhythmias were observed.

Conclusions:

  • Conservative surgical repair, including leaflet mobilization, is indicated for symptomatic Ebstein's anomaly patients.
  • This approach leads to a high rate of successful valve repair, avoiding valve replacement in most cases.
  • Excellent functional and hemodynamic outcomes are achieved with this technique.