(ACC)/American Heart Association (AHA) guidelines, concomitant mitral valve repair or replacement is recommended for patients with severe primary MR (Class I) and mitral valve repair is described as a reasonable option for M itral regurgitation (MR) often coexists with severe aortic stenosis (AS).1,2 The prevalence of concomitant moderate or severe MR has been reported in 13%3 to 33%4 of patients undergoing surgical aortic valve replacement (SAVR) and in 20–30% of patients undergoing transcatheter aortic valve replacement (TAVR).2 In the current American College of Cardiology Editorial p ???? Concomitant Mitral Regurgitation in Severe Aortic Stenosis ― A Report From the CURRENT AS Registry ―