Closed and open annuloplasty rings are both used for mitral valve repair. This study compared the clinical and echocardiographic results in patients with degenerative mitral disease undergoing MV repair with closed semirigid rings vs open bands.
Department of Cardiac Surgery, Chaim Sheba Medical Center (affiliated to the Sackler School of Medicine, Tel-Aviv University, Tel-Aviv), Ramat-Gan, Israel.
