Transcatheter Mitral Valve Therapy With Novel Supra-Annular AltaValve: First Experience in the United States.

This case demonstrates the feasibility and procedural success of a novel supra-annular transcatheter mitral valve, the AltaValve via transapical approach in a patient with severe symptomatic mitral regurgitation who was a prohibitive surgical risk candidate. (Level of Difficulty: Advanced.).