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Silvestry, Frank E; Rodriguez, L Leonardo; Herrmann, Howard C; Rohatgi, Sameer; Weiss, Stuart J; Stewart, William J; Homma, Shunichi; Goyal, Neil; Pulerwitz, Todd; Zunamon, Alan; Hamilton, Andrew; Merlino, John; Martin, Randolph; Krabill, Kimberly; Block, Peter C; Whitlow, Pat; Tuzcu, E Murat; Kapadia, Samir; Gray, William A; Reisman, Mark; Wasserman, Hal; Schwartz, Allan; Foster, Elyse; Feldman, Ted; Wiegers, Susan E
Journal of the American Society of Echocardiography, 10/2007, Volume: 20, Issue: 10Journal Article
Percutaneous mitral repair is rapidly developing as an alternative to cardiac surgery in select patients. The Evalve percutaneous E2E system uses the MitraClip to replicate the surgical suture-based approach. This procedure requires real-time echocardiographic guidance in a unique and significant collaboration between echocardiographer and interventionalist. transesophageal echocardiography (TEE) is used as the primary imaging modality to guide this procedure and is essential to its success. In EVEREST I, the US multicenter phase I safety and feasibility trial, 47 patients with 3 or 4+ mitral regurgitation (MR) were enrolled. The trial involved a standardized echocardiographic imaging protocol with a standardized anatomic-based vocabulary, predetermined standard TEE views, preprocedural strategy meetings, and display of echocardiographic aids to optimize communication and procedural efficiency during placement of the clip. TEE guidance facilitated the creation of a double-orifice mitral valve in all 47 patients enrolled (100%), and 40 patients were discharged with 1 or more clips (85%). At discharge, successful placement of a clip and <or= 2+ MR was present in 34 patients (74%). The standardized approach contributed to a reduction in the time to perform the procedure over the course of the trial at both initial and new sites. TEE is essential to the guidance of percutaneous MitraClip E2E repair. A streamlined approach to echocardiographic guidance, using predetermined standardized views, a common anatomic-based vocabulary, preprocedural strategy meetings, and a display of echocardiographic aids in the catheterization laboratory shortens the procedure time and allows for efficient percutaneous repair.
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