Key result
Extraction of a fully encapsulated Micra leadless pacemaker implanted 3 years previously in a human cadaver was performed easily with a maximum force of 1.9 pounds.
Why the study?
Can a Micra leadless pacemaker be extracted from a human cadaver 3 years post-implantation?
Case Report (n=1)
Can a Micra leadless pacemaker be extracted from a human cadaver 3 years post-implantation?
Extraction of a fully encapsulated Micra leadless pacemaker 3 years post-implantation was feasible and required minimal force in a cadaver model.
Low-force extraction of 3-year encapsulated Micra succeeded in cadaver; leaves open in vivo feasibility and safety.
INTRODUCTION: In this article we present the extraction of a Micra from a human cadaver implanted 3 years previously with both visual and X-ray imaging taken during the removal. METHODS: A Micra pacemaker was extracted from a human cadaver with endoscopy and fluoroscopy using a Micra delivery tool. Histological analysis was performed on slices from the tissue surrounding the Micra. RESULTS: The fully encapsulated Micra was easily retrieved with a maximum force of 1.9 pounds. CONCLUSIONS: Even though the Micra was implanted almost 3 years previously, the snaring and extraction of the Micra was performed relatively easily and with minimal force required.
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Bonner et al. (2022) conducted a case report in Micra leadless pacemaker implanted 3 years previously (n=1). Extraction of Micra leadless pacemaker was evaluated on Extraction success and required force. Extraction of a fully encapsulated Micra leadless pacemaker implanted 3 years previously in a human cadaver was performed easily with a maximum force of 1.9 pounds.
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