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Preliminary experience in mitral valve repair using the Cosgrove–Edwards annuloplasty ring

Department of Cardiac Surgery, Villa Torri Hospital, viale Filopanti, 12 – 40126 Bologna, Italy.

^* Corresponding author. Via Pignolini 5, 37019 Peschiera d/G, Verona, Italy. Tel.: +39-348-3402078; fax: +39-051-253854
giusep.gatti{at}tiscali.it

There is a wide range of annuloplasty systems available now. However, controversy concerning the choice of annuloplasty device persists. We analyzed our preliminary experience in mitral valve repair using the Cosgrove–Edwards annuloplasty ring. To correct their mitral insufficiency (MI), 118 consecutive patients (mean age, 60.4±15.1 years) underwent mitral repair using this annuloplasty device. NYHA functional class 3 or 4 were present in 86.4%. Degenerative heart disease was the cause of MI in 36.6% of the patients, ischemic heart disease in 25.4%, Barlow's disease in 17.8%, and idiopathic dilated cardiomyopathy in 7.6%. Mitral surgical procedures included quadrangular resection and sliding of the posterior leaflet, posterior leaflet decalcification, anterior leaflet repair, the edge-to-edge technique, and chordal repair. Mean follow-up was 25.1±14.0 months. There were four in-hospital non-valve-related cardiac deaths, and one in-hospital non-cardiac death. No cases of systolic anterior motion were observed. NYHA functional class improved from 3.3±0.7, before repair, to 1.3±0.6, at follow-up (), MI from 3.6±0.5 to 0.5±0.6 (), and left ventricular ejection fraction from 52.0±12.2% to 55.4±12.0% (). Three-year actuarial rates of survival, freedom from thromboembolism, and freedom from mitral reoperation were 96.9, 97.9, and 96.4%, respectively. The Cosgrove–Edwards annuloplasty ring does not combine with systolic anterior motion. It minimizes MI secondary to all causes, and preserves left ventricular function.

Key Words: Mitral insufficiency; Mitral valve repair; Annuloplasty ring

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