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Case Reports
. 2019 Jul;42(7):1063-1065.
doi: 10.1111/pace.13622. Epub 2019 Feb 18.

First-in-human retrieval of chronically implanted Micra transcatheter pacing system

Antonio Curnis  1 , Manuel Cerini  1 , Davide Mariggiò  2 , Gianfranco Mitacchione  1 , Daniele Giacopelli  3 , Lorenza Inama  1 , Luca Bontempi  1
Affiliations
Case Reports

First-in-human retrieval of chronically implanted Micra transcatheter pacing system

Antonio Curnis et al. Pacing Clin Electrophysiol. 2019 Jul.

Abstract

We report the first-in-human retrieval of a chronically implanted Micra transcatheter pacing system (TPS; Medtronic, Minneapolis, MN, USA). A 41-year-old woman suffering from third-degree atrioventricular block was successfully implanted with a TPS in the low septum of the right ventricle. After 29 months, due to an increased electrical threshold and 100% pacing percentage, the device showed low battery voltage. Despite the long implant duration, the attempt of device retrieval using a snare loop inserted in the delivery system of a TPS was successful. In the same procedure, a new leadless pacemaker was implanted in the high right ventricular septum with optimal pacing threshold.

Keywords: end-of-life management; leadless pacemaker; leadless pacemaker retrieval; micra transcatheter pacing system.

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