Lessons learned from Micra leadless pacemaker retrieval: a case series

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ID: 321819
2026
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Abstract
Abstract Background Retrieving an implanted leadless pacemaker is a challenging component of its management. However, there are no dedicated tools specifically designed for retrieving the Micra leadless pacemaker. Given the lack of commercial retrieval systems, there is an urgent need to document and validate alternative interventional strategies to manage complications associated with device malfunction or migration. Case Summary In this series, we present cases involving increased capture threshold, device embolization into the right pulmonary artery, and broken tines following Micra implantation. We successfully completed four retrieval procedures using a coordinated approach with existing devices, including the Micra transcatheter pacing system, coronary angiography catheter, and endovascular snare system. Discussion Notably, these cases exhibited different characteristics during the retrieval of the Micra leadless pacemaker, which may assist colleagues in dealing with such scenarios. Our experience demonstrates that a strategy combining the Micra delivery catheter with an endovascular snare system, without the need for a steerable sheath, was sufficient and effective for successful Micra retrieval.
Reference Key
openalex_W7169868199 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Qi Guo, Hanhua Gao, Zhihua Deng, Shanghai Li, Shuxian Zhou, Yi-Xiang Wang, Yangxin Chen
Journal European Heart Journal - Case Reports
Year 2026
DOI
10.1093/ehjcr/ytag539
URL
Keywords Keywords not found

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