The Feasibility of Transcatheter Mitral Valve Replacement for Patients With Symptomatic Mitral Regurgitation.

We read with great interest the feasibility study of Muller et al. [(1)][1]. The study results were impressive regarding the 30-day follow-up following the procedure [(1)][1]. However, the selective nature of the cases in this study together with the nonblinded nature of the study lessens the