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Acute Atrial Pacing Threshold Elevation in an Auricular Leadless Pacemaker During Monopolar Pulsed Field Ablation of the Right Inferior Pulmonary Vein: A First‐in‐Human Case

Year: 2026

Type: article

Abstract: INTRODUCTION: Leadless atrial pacemakers are increasingly used, yet interactions with pulsed field ablation (PFA) remain poorly described. METHODS AND RESULTS: We report the first documented case of transient loss of capture and pacing threshold elevation in an AVEIR leadless pacemaker temporally associated with monopolar PFA during right inferior pulmonary vein ablation. Threshold increased from 0.75 V @ 0.2 ms to 1.25 V @ 0.4 ms, recovering within 24 h. CONCLUSION: Monopolar PFA can transiently interfere with atrial leadless pacing, emphasizing the need for device monitoring during ablation.

Source: Journal of Cardiovascular Electrophysiology

DOI: 10.1111/jce.70259

Authors: Jorge O. Díaz, Usman Siddiqui, Carlos E. Arenas

Institutions: Universidad Industrial de Santander, Fundación Cardiovascular de Colombia

Language: English

Topic: Cardiac pacing and defibrillation studies

Subfield: Cardiology and Cardiovascular Medicine

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: bronze

OpenAlex ID: W7124277338

FWCI: 9.575

Cites: 3

Cited by: 2

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