Abstract
Abstract Background Conflicting results regarding the impact of left common pulmonary (LCPV) vein on clinical outcome of atrial fibrillation (AF) ablation with cryoballoon technology have been reported. In the present study, we sought to investigate the performance of the 28 mm cryoballoon advance (CB-A) on left common pulmonary vein (LCPV) in terms of post procedural outcome. Methods We systematically searched on PubMed and Cochrane library for the articles that compared the recurrence rate of AF after cryoballoon ablation between patients with four separate and distinct pulmonary vein ostia and with LCPV. Results A total of 5 studies with 1052 patients met our predefined inclusion criteria. Recurrence of AF after CB-A ablation was similar in both groups (Log OR 0.45; 95% CI: −0.03, 0.94; I=48%, p=0.08), Fig 1. Figure 1 Conclusion LCPV doesn't affect clinical outcome of AF ablation with cryoballoon technology.
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