ArticleJournal of arrhythmia2025
Efficacy of an alternative positioning of intracardiac defibrillation catheters in atrial fibrillation ablation.
Article in Journal of arrhythmia, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Efficacy of an alternative positioning of intracardiac defibrillation catheters in atrial fibrillation ablation.Journal of arrhythmia · 2025Article
- Editorial to "Efficacy of an alternative positioning of intracardiac defibrillation catheters in atrial fibrillation ablation".Journal of arrhythmia · 2025Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: In pulmonary vein isolation (PVI) for atrial fibrillation (AF), intraoperative defibrillation is often required. Intracardiac defibrillation catheters (ICDCs) are most effective when positioned to enclose the heart between the coronary sinus (CS) and right atrium (RA) (CS/RA configuration). However, achieving this positioning via the inferior vena cava (IVC) can be challenging, and alternative configurations remain underexplored. Methods: This study included patients with paroxysmal or persistent AF who underwent cryoballoon ablation followed by intracardiac cardioversion using an ICDC via the IVC. The catheter was initially positioned with distal electrodes in the CS and proximal electrodes in the IVC (CS-only configuration). If cardioversion failed, the catheter was repositioned to place distal electrodes in the superior vena cava (SVC configuration). A maximum of 30 J of energy was used for all cardioversion attempts. Results: A total of 81 patients were included. Cardioversion in the CS-only configuration restored sinus rhythm in 11% (9/81) of patients. Repositioning to the SVC configuration achieved successful cardioversion in 93.1% (67/72) of the remaining cases without complications. Patients requiring the SVC configuration had a significantly higher prevalence of persistent AF (33.3% vs. 80.6%; Conclusions: While the CS-only configuration offers ease of placement, its efficacy is limited. Repositioning to the SVC configuration significantly enhances cardioversion success and represents a safer, more effective alternative for ICDC use during AF ablation.
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