Mitral regurgitation in congenital heart defects: surgical techniques for reconstruction.

Mitral valve regurgitation (MR) is an important source of morbidity and mortality worldwide. While globally the primary etiology is rheumatic, the incidence of MR appears to be increasing in the United States as well. There are multiple etiologies for MR, and the specific pathologic anatomy varies widely. Similarly, there are a multitude of options for operative repair, and recent series report very good survival rates as well as freedom from re-intervention. Copyright Â