A person with nonischemic mitral regurgitation may benefit from surgical intervention if certain risk factors are present.
Indications for surgical correction of mitral regurgitation:
(1) severe, symptomatic regurgitation
(2) atrial fibrillation
(3) pulmonary hypertension
(4) left ventricular ejection fraction <= 60%
(5) left ventricular end-systolic diameter on echocardiography >= 45 mm
