Mitral valve closure is not complete.

Mitral

valve

replacement

is the replacement of

prosthetic valve with mechanical valve and biological valve under cardiopulmonary bypass to achieve the purpose of treating mitral valve insufficiency. However, patients usually need to take anticoagulant drugs for life after

surgery. Mitral valve repair is mainly suitable for patients with mild valve damage and no calcification of valve leaflets. Mitral valve repair is usually performed through right atrial-atrial septum or left ventricular small incision under cardiopulmonary bypass.