Use of Alcohol Septal Reduction Therapy to Facilitate Transcatheter Mitral Valve Replacement
Pedro A. Villablanca Spinetto
Henry Ford Hospital, Detroit, MI, USA
Search for more papers by this authorPedro A. Villablanca Spinetto
Henry Ford Hospital, Detroit, MI, USA
Search for more papers by this authorRon Waksman
Section of Interventional Cardiology, MedStar Washington Hospital Center, Washington, DC, USA
Search for more papers by this authorToby Rogers
Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
Section of Interventional Cardiology, MedStar Washington Hospital Center, Washington, DC, USA
Search for more papers by this authorSummary
Transcatheter mitral valve implantation is a recently innovated procedure that began in the context of postsurgical repair or replacement degeneration requiring valve replacement. While treating mitral valve disease with transcatheter implantable prostheses, the complication of left ventricular outflow tract (LVOT) obstruction surprised operators and gave the interventional community pause about the generalizability of performing transcatheter mitral valve replacement (TMVR). LVOT obstruction historically occurred either in the natural history of hypertrophic obstructive cardiomyopathy (HOCM) or in postsurgical mitral valve repair. The process of alcohol septal ablation (ASA) begins with coronary angiography and then identifying candidate septal perforators that may supply blood to the myocardium of interest. Safety and effectiveness of the alcohol septal ablation for septal reduction therapy remains unquantified for non-HOCM patients.
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