Comparative effectiveness of pulsed field ablation and cryoballoon ablation for atrial fibrillation: a systematic review and meta-analysis

医学 烧蚀 心房颤动 荟萃分析 心脏病学 心脏消融 内科学 导管消融
作者
Marta V. Freitas,Larissa Araújo de Lucena,C Guida,Elísio Bulhões,Ricardo D’Oliveira Vieira,Isabelle Batista Donadon,Maria Esther Barbalho,Manuel Vilela,D Cazeiro,Dulce Brito,Joana Rodrigues Dantas
出处
期刊:European Heart Journal [Oxford University Press]
卷期号:45 (Supplement_1)
标识
DOI:10.1093/eurheartj/ehae666.376
摘要

Abstract Background Cryoballoon ablation (CBA) is a well-established technique for treating atrial fibrillation (AF), with a low complication rate related to cryoenergy-induced lesions. Pulsed Field Ablation (PFA) has emerged as a non-thermal alternative, with promising potential to further reduce complications. Purpose We aim to conduct a systematic review and meta-analysis comparing the efficacy and safety of PFA versus CBA in patients with AF. Methods We conducted a systematic search across PubMed, Embase, and the Cochrane Central Register of Controlled Trials to identify randomized controlled trials (RCTs) or observational studies published between 2013 and 2024 that compared PFA and CBA ablation techniques in patients with AF. Statistical analysis was carried out utilizing RevMan 5.1.7. Heterogeneity was assessed with I² statistics; p-values inferior to 0.05 and I²>25% were considered as significant heterogeneity. Results A total of 840 studies were screened in the initial search, and 26 studies were selected for full-text review based on inclusion criteria. Out of these, 8 observational studies involving 3,113 patients were included. Among these, 1,088 (34.9%) underwent PFA, while 2,025 (65.0%) underwent CBA. Periprocedural complications were significantly lower in patients who underwent PFA compared with the CBA group (RR 0.46; 95% CI 0.29 to 0.74; p=0.001; I²=1%; Fig. 1A). Furthermore, there was a significant reduction in procedure time in the PFA group (MD -8.21 min; 95% CI -13.74 to -2.69; p=0.004; I²=96%; Fig. 1B). However, no statistically significant difference was observed among groups regarding fluoroscopy time (MD 1.63 min; 95% CI -0.22 to 3.48; p=0.08; I²=92%; Fig. 2A), or recurrence of atrial arrhythmias after the blanking period (RR 0.84; 95% CI 0.68 to 1.04; p=0.12; I²=6%; Fig. 2B). Additionally, a subgroup analysis involving only propensity score-matched cohorts was conducted but didn’t show any statistical difference for any outcomes evaluated. Conclusion In this systematic review and meta-analysis, PFA was associated with a lower risk of periprocedural complications and a shorter procedure duration, compared to CBA in patients with AF. Additionally, it didn’t show a potential for reducing the recurrence of atrial arrhythmias, and the data regarding fluoroscopy time were inconclusive.Primary outcomesSecondary outcomes
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