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Surgical Ablation of Atrial Fibrillation during Mitral-Valve Surgery

Tuesday, March 17, 2015

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Source Name: New England Journal of Medicine


A. Marc Gillinov, Annetine C. Gelijns, Michael K. Parides, Joseph J. DeRose, Jr., Alan J. Moskowitz, Pierre Voisine, Gorav Ailawadi, Denis Bouchard, Peter K. Smith, Michael J. Mack, Michael A. Acker, John C. Mullen, Eric A. Rose, Helena L. Chang, John D. Puskas, Jean-Philippe Couderc, Timothy J. Gardner, Robin Varghese, Keith A. Horvath, Steven F. Bolling, Robert E. Michler, Nancy L. Geller, Deborah D. Ascheim, Marissa A. Miller, Emilia Bagiella, Ellen G. Moquete, Paula Williams, Wendy C. Taddei-Peters, Patrick T. O'Gara, Eugene H. Blackstone, and Michael Argenziano for the CTSN Investigators

The study investigated management of atrial fibrillation existing at the time of mitral valve surgery, randomizing 260 pts to ablation or observation.  The end point was freedom from afib at both 6 and 12 mos.  Ablation yielded success in 63% compared to 29% of controls, but was associated with a higher risk of pacemaker implant (21% vs 8%).   

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