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Ann Thorac Surg 1989;47:517-523
© 1989 The Society of Thoracic Surgeons

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Articles

Late reoperation for systemic atrioventricular valve regurgitation after repair of congenital heart defects

Divisions of Cardiology and Cardiac Surgery, Children's Hospital and Health Center of San Diego, Sharp Memorial Hospital of San Diego, and University of California School of Medicine at San Diego, San Diego, California, USA

^_* Address reprint requests to Dr Lamberti, 8008 Frost St, Suite 400, San Diego, CA 92123.

Since 1979, 17 infants and children have undergone reoperation for systemic atrioventricular (AV) valve regurgitation 6 weeks to 7 years after repair of congenital heart defects. Prior operations were repair of incomplete or complete AV canal (14 patients). Mustard repair of complex transposition of the great arteries including ventricular septal defect closure (2 patients), or first-stage operation for hypoplastic left heart (1 patient). Age ranged from 6 months to 11 years. In 12 of the 17 patients (10, AV canal; 1, transposition; 1, hypoplastic left heart), valve reconstruction was possible. Operative techniques included a combination of septal cleft approximation, leaflet resection, commissural annuloplasty, or ring annuloplasly. There were no operative deaths, and there were no reopsrations in the repair group. The condition of these patients has improved. Follow-up ranges from 1 month to 9 years (mean follow-up, 4.1 years). Five of the 17 patients (4, AV canal; 1, transposition) underwent valve replacement. There were no operative deaths. Follow-up ranges from 3 to 8 years. Three patients later underwent re-replacement of the prosthetic valve; there was 1 late death. The condition of all 4 survivors is improved. Substantial AV valve regurgitation can occur months or years after repair of congenital heart defects. A combination of reconstructive techniques may be useful in preserving native valve function and avoiding systemic AV valve replacement.

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