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Canadian Journal of Cardiology

First Autopsy Description of Changes 1 Year After Implantation of a Leadless Cardiac Pacemaker: Unexpected Ingrowth and Severe Chronic Inflammation

Published:December 29, 2015DOI:https://doi.org/10.1016/j.cjca.2015.12.028
      The technology of transcatheter pacing has recently been introduced for clinical investigation to overcome pocket- and lead-related complications frequently associated with conventional pacing systems.
      • Ritter P.
      • Duray G.Z.
      • Steinwender C.
      • et al.
      Early performance of a miniaturized leadless cardiac pacemaker: the Micra Transcatheter Pacing Study.
      The Micra (Medtronic Inc, Minneapolis, MN) leadless cardiac pacemaker (LCP) is a 0.8-cc, 2.0-gauge capsule with a 25.9 mm length and an outer diameter of 6.7 mm that has features of a single-chamber pacemaker system. It is implanted in the right ventricular apex via a steerable transfemoral catheter delivery system using a 23-French introducer.
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        Early performance of a miniaturized leadless cardiac pacemaker: the Micra Transcatheter Pacing Study.
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