The aim of this study is to report our results in a series of 150 consecutive patients (mean age 53 +/- 15.4 years) in whom mitral regurgitation (MR) due to isolated anterior mitral leaflet (AML) prolapse was corrected using the edge-to-edge (E to E) technique over a period of more than 10 years. At admission, 49 (32.6%) patients were in NYHA class I, 46 (30.6%) in II, 51 (34%) in III and 4 (2.6%) in IV. In the great majority of the cases (111 patients, 74%), degenerative disease was the cause of MR. Hospital mortality was 0.6% (1/150). There were 7 late deaths. The actuarial overall survival and freedom from reoperation at 9 years were 91.6% +/- 3.16% and 96.6% +/- 1.74%, respectively. At follow-up (4.5 +/- 3.21 years, range 2 months-12 years), the mean mitral valve area was 2.7 +/- 0.5 cm(2) and mitral regurgitation was absent or mild in 132 patients (88%). The results of this study demonstrate the effectiveness and durability of the E to E repair in the setting of AML prolapse. In our institution, this technique, in conjunction with annuloplasty, remains the method of choice to correct segmental prolapse of the AML.
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