Key result
Snare loop enables successful retrieval and replacement of a chronically implanted Micra after 29 months.
Why the study?
The feasibility and safety of retrieving a chronically implanted Micra transcatheter pacing system had not been demonstrated in humans.
Case Report (n=1)
Demonstrates the feasibility of retrieving a chronically implanted leadless pacemaker (29 months) using a snare loop.
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Retrieval feasible after 29 months in this case; leaves open generalizability, safety, and need for prospective data before wider adoption.
Curnis et al. (2019) conducted a case report in Third-degree atrioventricular block (n=1). Retrieval of chronically implanted Micra transcatheter pacing system was evaluated on Successful device retrieval and implantation of a new leadless pacemaker. Retrieval of a chronically implanted Micra transcatheter pacing system after 29 months was successfully performed using a snare loop, followed by implantation of a new leadless pacemaker.
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