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Retrieval of the Leadless Cardiac Pacemaker: A Multicenter Experience
Vivek Y Reddy1, Marc A Miller2, Reinoud E Knops2
1From the Helmsley Center for Electrophysiology, Icahn School of Medicine at Mount Sinai, New York, NY (V.Y.R., M.A.M.); Department of Cardiology, Amsterdam Medical Center, The Netherlands (R.E.K.); Department of Cardiology, Homolka Hospital, Prague, Czech Republic (V.Y.R., P.N.); Department of Cardiology, CHU, Grenoble, France (P.D.); Department of Cardiology, Schwarzwald Baar Klinikum, Villingen-Schwenningen, Germany (W.J.); Division of Cardiovascular Diseases, USC University Hospital, Los Angeles, CA (R.D.); Department of Cardiology, Sparrow Research, Lansing, MI (M.C.); Department of Cardiology, Inova Fairfax Hospital, VA (A.S.); Department of Cardiology, Sequoia Hospital, Redwood City, CA (R.H.M.); Department of Cardiology, University of Alabama, Birmingham (H.D.); Cardiovascular Research Institute, University of Kansas Medical Center, Kansas City (D.L.); Division of Cardiology, Vancouver General Hospital, British Columbia, Canada (M.B.); and Department of Cardiology, Hospital Kerckhoff Klinik, Bad Nauheim, Germany (J.S.) vivek.reddy@mountsinai.org.
Leadless cardiac pacemakers can be safely retrieved, even after chronic implantation. This multicenter study shows high success rates for both acute and chronic removal of these devices, with no reported adverse events.
Area of Science:
- Cardiology
- Medical Devices
- Electrophysiology
Background:
- Leadless cardiac pacemakers offer a safe alternative to traditional transvenous pacemakers.
- This study evaluates the feasibility and safety of leadless pacemaker retrieval.
Purpose of the Study:
- To assess the success rates and safety of acute (<6 weeks) and chronic (>6 weeks) retrieval of leadless cardiac pacemakers in humans.
- To report on a multicenter experience with leadless pacemaker removal.
Main Methods:
- Patients from three multicenter trials who received a leadless pacemaker and underwent removal were included.
- Retrieval success rates were analyzed for acute and chronic implantation periods.
- Procedure-related adverse events were monitored for 30 days post-retrieval.
Main Results:
- The overall leadless pacemaker retrieval success rate was 94%.
- Acute retrieval (<6 weeks) had a 100% success rate (5/5 patients).
- Chronic retrieval (≥6 weeks) had a 91% success rate (10/11 patients), with a mean implant duration of 346 days.
Conclusions:
- Multicenter experience confirms the feasibility and safety of retrieving chronically implanted active fixation leadless pacemakers.
- Leadless pacemaker retrieval is a viable option for patients requiring device removal.
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