Definition: A type of heart valve surgery that involves the repair, replacement, or reconstruction of the annulus of the MITRAL VALVE. It includes shortening the circumference of the annulus to improve valve closing capacity and reinforcing the annulus as a step in more complex valve repairs.
mitral ring annuloplasty (where "ring" refers to a prosthesis): coordinate MITRAL VALVE ANNULOPLASTY with HEART VALVE PROSTHESIS IMPLANTATION