Chapters Transcript Video Advances in Catheter Based Therapies for Mitral Valve Disease: Transcatheter Mitral Valve Replacement & Repair Paul Mahoney, M.D., shares advances in Catheter based therapies for Mitral Valve Disease for this Cardiac Grand Rounds series. Published March 4, 2018 Created by Related Presenters Paul D. Mahoney, M.D. Cardiology Dr. Paul Mahoney serves as the Medical Director of the Sentara Structural Heart Program. He has a particular focus on the diagnosis and treatment of structural heart disease. View full profile