what are the Recommendations for Intervention for Secondary MR
Referenced studies that support the recommendations are
summarized in Online Data Supplement 31.?
In patients with chronic severe secondary MR from atrial annular dilation with preserved LV systolic function (LVEF ?50%) who have severe persistent symptoms (NYHA class III or IV) despite therapy for HF and therapy for associated AF or other comorbidities (Stage D), mitral valve surgery may be considered.