what are the Recommendations for Intervention for Chronic Primary MR
Referenced studies that support the recommendations are
summarized in Online Data Supplement 30.?
In asymptomatic patients with severe primary MR and normal LV systolic function (LVEF >60% and LVESD <40 mm) (Stage C1) but with a progressive increase in LV size or decrease in EF on ?3 serial imaging studies, mitral valve surgery may be considered irrespective of the probability of a successful and durable repair.