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Benali K, Lai VD, Hammache N, Magnin-Poull I, de Chillou C, Sellal JM. Impact of pulmonary veins anatomy on the outcomes of radiofrequency ablation for paroxysmal atrial fibrillation in the era of contact force-sensing ablation catheters. J Interv Card Electrophysiol 2022; 66:931-940. [PMID: 36251129 DOI: 10.1007/s10840-022-01393-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 10/03/2022] [Indexed: 10/24/2022]
Abstract
BACKGROUND Pulmonary vein (PV) isolation (PVI) has become the cornerstone of atrial fibrillation (AF) ablation in patients with paroxysmal AF (PAF). PVI durability is influenced by many factors including PVs anatomy. Data regarding the influence of PVs anatomical variations on the outcomes of PAF ablation in the era of contact force-sensing ablation catheters are scarce and contradictory. METHODS Consecutive patients referred to our center for a first ablation of PAF using radiofrequency (RF) were included. PVs anatomy was classified into 3 groups: typical anatomy (4 distinct veins), left common ostium (LCO), and right accessory PV (RAPV). The primary outcome was recurrence of atrial arrhythmia episode during a 12-month follow-up after ablation. RESULTS Two hundred twenty-three patients were included (mean age 58.4 ± 10.8 years and 70.9% male). Among this cohort, 141 patients (63.2%) had typical PV anatomy, 53 (23.8%) had a LCO, and 29 (13.0%) had a RAPV. The existence of a RAPV was not associated with a higher rate of AF recurrences (22 (14.3%) vs. 7 (10.1%), p = 0.519). After multivariate analysis, the presence of an LCO did not appear to be associated with the AF recurrence rate at 12 months (OR = 1.69, 95%CI 0.95-2.49, p = 0.098). Maintenance of antiarrhythmic drugs after ablation was the only factor independently associated with a decreased risk of AF recurrence at 12 months (OR = 0.76, 95%CI 0.60-0.97, p = 0.046). CONCLUSION This study suggests that the presence of an LCO or a RAPV is not associated with a higher rate of AF recurrence at 12 months after radiofrequency PVI using contact force-sensing catheters in PAF patients.
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Affiliation(s)
- Karim Benali
- Department of Cardiology, CHU de Saint-Etienne, 42270, Saint-Priest-En-Jarez, France. .,INSERM-IADI, U1254, F-54500, Vandœuvre lès-Nancy, France.
| | - Van Duc Lai
- INSERM-IADI, U1254, F-54500, Vandœuvre lès-Nancy, France.,Department of Cardiology, CHRU de Nancy, 54500, Vandœuvre lès-Nancy, France
| | - Nefissa Hammache
- INSERM-IADI, U1254, F-54500, Vandœuvre lès-Nancy, France.,Department of Cardiology, CHRU de Nancy, 54500, Vandœuvre lès-Nancy, France
| | - Isabelle Magnin-Poull
- INSERM-IADI, U1254, F-54500, Vandœuvre lès-Nancy, France.,Department of Cardiology, CHRU de Nancy, 54500, Vandœuvre lès-Nancy, France
| | - Christian de Chillou
- INSERM-IADI, U1254, F-54500, Vandœuvre lès-Nancy, France.,Department of Cardiology, CHRU de Nancy, 54500, Vandœuvre lès-Nancy, France
| | - Jean-Marc Sellal
- INSERM-IADI, U1254, F-54500, Vandœuvre lès-Nancy, France.,Department of Cardiology, CHRU de Nancy, 54500, Vandœuvre lès-Nancy, France
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