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Intraoperative Visualization of a Thebesian Vein Influencing Atrial Helix-Fixation Leadless Pacemaker Implantation

Charles Morgat1, Claude Mariottini1, Yann Diascorn2

  • 1Department of Cardiology, Arnault Tzanck Institute, Saint-Laurent-du-Var, France.

JACC. Case Reports
|March 5, 2026
PubMed
Summary

Dual-chamber leadless pacing requires careful atrial lead placement. Intraoperative imaging identified an unusual vein, guiding successful implantation and restoring atrioventricular (AV) synchrony for symptomatic relief.

Keywords:
cardiac pacemakercoronary vessel anomalyleadless

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