Résumé
Forty patients with chronic mitral valve disease underwent mitral valve replacement [MVR] at the National Heart Institute, Imbaba in a prospective study to compare between MVR with and without preservation of valve leaflets and chordae tendineae, to study the influence of preservation of parts of the MV apparatus on immediate and early postoperative course of left ventricualr [LV] function. The patients [pts] have been divided into two groups: group I [20 pts] had MVR with preservation of the MV apparatus while group II [20 pats] had conventional MVR. Preoperative, operative and postoperative data are reviewed for both groups with follow up for 6 months. Patients of group l showed easier weaning off bypass, shorter stay in ICU and hospital, and better preservation of IV function early postoperatively when compared to patients of group II. We conclude that MVR with preservation of the MV apparatus is more economic to patient and hospital, and decreases morbidity and mortality duo to better preservation of LV function postoperatively