ArticleFrontiers in cardiovascular medicine2026
Predictors and clinical impact of intraoperative coronary sinus triggers in patients with paroxysmal atrial fibrillation undergoing radiofrequency catheter ablation.
Article in Frontiers in cardiovascular medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Aim: This study aims to investigate the incidence and clinical impact of intraoperative coronary sinus (CS) triggers in patients with paroxysmal atrial fibrillation (PAF) undergoing radiofrequency catheter ablation. Methods: Patients with symptomatic drug-refractory PAF who underwent index catheter ablation were enrolled. Patients were assigned into either the CS trigger group or pulmonary vein (PV) trigger group based on the results of electrophysiological studies of induced AF trigger. Any documented atrial tachyarrhythmia lasting ≥30 s after a 3-month blanking period, without any anti-arrhythmic drugs during post-ablation follow-up was defined as recurrence. Results: The incidence of CS triggers among patients undergoing index ablation for PAF was 5.3%. Patients in the CS trigger group were younger (53.0 ± 11.8 vs. 60.5 ± 9.0 years; Conclusion: CS triggers are most commonly observed in relatively younger patients with a smaller LAD. The presence of a CS trigger does not adversely affect post-ablation rhythm outcomes when CS trigger ablation is incorporated into PAF management.
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