Reconstructive Surgery for Congenitally Malformed Mitral Valve
Edvin Prifti, Vittorio Vanini, Massimo Bonacchi, Bruno Murzi, Giacomo Frati, Piero Proietti, Massimo Bernabei, Gabriele Giunti, Stefano Vincenzo Luisi

Early and mid-term survival and freedom from reoperation in patients with isolated congenital mitral valve (MV) malformation (MCVM) or associated with congenital heart defects (ACHD) were evaluated. During the past 10 years, 21patients with isolated MCVM (group I) and 37 with MVCM and ACHD (group II) underwent MV repair. Mortality was 5% (n = 1) and 13% (n = 5) in groups I and II, respectively (p = 0.4). At follow up, actuarial survival and event-free survival were significantly lower in group II (p = 0.03 and p = 0.01, respectively). Multivariate analysis showed age <12 months (p = 0.033), hammock MV (p = 0.0088) and ACHD (p = 0.0048) to be strong predictors for poor event-free survival. It was concluded that ACHD significantly reduce early and late survival and freedom from reoperation.