The Short and Long-Term Efficacy of Pulmonary Vein Isolation as a Sole Treatment Strategy for Paroxysmal Atrial Fibrillation: A Systematic Review and Meta-Analysis

Author(s): Zsuzsanna Kis, Taulant Muka, Oscar H. Franco, Wichor M. Bramer, Lennart J. De Vries, Attila Kardos, Tamas Szili-Torok*.

Journal Name: Current Cardiology Reviews

Volume 13 , Issue 3 , 2017

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Abstract:

Background: Pulmonary vein isolation (PVI) is an accepted treatment strategy for catheter ablation (CA) of paroxysmal atrial fibrillation (PAF). In this study, we aimed to assess the short, mid- and long-term outcome of PVI as a sole treatment strategy for PAF.

Methods: Six bibliographic electronic databases were searched to identify all published relevant studies until December 14, 2015. Search of the scientific literature was performed for studies describing outcomes with mean follow-up > 24 months after PAF ablation. Only articles with 1, 3 or 5-year follow up were included, from the same group of investigators.

Results: Of the 2398 references reviewed for eligibility, 13 articles (enrolling a total of 1774 patients) were included in the final analysis. Pooled analysis showed that the 12- and 62 -month success rate of a single CA procedure was 78% (95% CI 0.76% to 0.855) and 59% (95% CI 0.56% to 0.64%), respectively. The results did not differ by type of CA performed. Major complications mentioned in the enrolled studies were cerebrovascular event, pericardial tamponade and PV stenosis.

Conclusion: There is a progressive and significant decline in freedom from AF between 1, 3 and 5- year after successful PVI in patients with PAF. Our analysis suggests that a high short-time success rate after PVI does not necessarily result in high chronic success rate.

Keywords: Paroxysmal atrial fibrillation, pulmonary vein isolation, catheter ablation, efficacy of ablation, cerebrovascular event, transient ischemic attack.

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Article Details

VOLUME: 13
ISSUE: 3
Year: 2017
Page: [199 - 208]
Pages: 10
DOI: 10.2174/1573403X13666170117125124

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