Does Coronary Artery Bypass Grafting Alone Correct Moderate Ischemic Mitral Regurgitation?

136 patients with a preoperative diagnosis of moderate ischemic mitral regurgitation (3+ on a scale of 0 to 4+), without leaflet prolapse or pathology. Mean age 70.5 years, 54% male, mean NYHA class 2.7, mean ejection fraction 38.1%.

Isolated Coronary Artery Bypass Grafting (CABG)

Severity of mitral regurgitation on postoperative transthoracic echocardiography within 6 weeks of surgerysurrogate