Key result
Helix-based retrieval successfully extracts an embolized atrial leadless pacemaker from the pulmonary artery.
Why the study?
Leadless pacemakers introduce new challenges such as device dislodgement and embolization, with limited reports on atrial component dislodgement of the Aveir AR system.
Case Report
This report highlights a technique for helix-based retrieval of an embolized atrial leadless pacemaker from the pulmonary artery, addressing anatomical challenges related to device fixation in the atrial wall.
Answers are grounded in this paper and cite their sources.
Helix retrieval may be feasible for rare atrial leadless pacemaker embolization; leaves open anchoring stability and incidence questions.
Leadless pacemakers (LPMs) have been increasingly adopted, allowing avoidance of complications associated with transvenous leads. However, they also introduce new challenges, including device dislodgement and embolization. The Aveir DR system (Abbott) enables atrioventricular synchrony through communication between atrial and ventricular devices; however, reports of dislodgement of the atrial component, Aveir AR, remain limited. Compared with the ventricular myocardium, the atrial wall has less trabeculation, which may predispose to less stable device fixation from an anatomical standpoint.
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Goto et al. (2026) conducted a case report in Embolized atrial leadless pacemaker. Helix-based retrieval was evaluated. Helix-based retrieval was performed for an embolized atrial leadless pacemaker from the pulmonary artery, a complication potentially linked to the less trabeculated atrial wall.
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