Comprehensive Annular and Subvalvular Repair of Chronic Ischemic Mitral Regurgitation Improves Long-Term Results With the Least Ventricular Remodeling

Study Questions:

In a sheep model of chronic ischemic mitral regurgitation (MR), does concomitant severing of second-order mitral chordae improve results compared to isolated mitral valve reduction annuloplasty?