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A Leadless Intracardiac Transcatheter Pacing System

Wednesday, November 11, 2015

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Source Name: New England Journal of Medicine


Dwight Reynolds, Gabor Z. Duray, Razali Omar, Kyoko Soejima, Petr Neuzil, Shu Zhang, Calambur Narasimhan, Clemens Steinwender, Josep Brugada, Michael Lloyd, Paul R. Roberts, Venkata Sagi, John Hummel, Maria Grazia Bongiorni, Reinoud E. Knops, Christopher R. Ellis, Charles C. Gornick, Matthew A. Bernabei, Verla Laager, Kurt Stromberg, Eric R. Williams, J. Harrison Hudnall, and Philippe Ritter for the Micra Transcatheter Pacing Study Group

Results of a multicenter trial of a leadless transcatheter pacing system were reviewed in 300 pts at 6 mos.  Implantation was successful in 99%.  Safety was assessed as freedom from system-related or procedure related complications, and was 96%.  Efficacy was assessed as stable pacing capture at low voltage and was 98%.  25 pts suffered major complications, which is less than for typical systems with leads.

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