Why the study?
Does pulmonary vein isolation improve freedom from recurrent atrial fibrillation compared to medical therapy in patients with atrial fibrillation?
Population
6 RCTs pooling 693 patients with atrial fibrillation
Comparison
Pulmonary vein isolation (catheter ablation) vs Medical therapy (control)
Design
Meta-analysis, Randomized (meta-analysis of RCTs)
Follow-up
12 months
Key result
Pulmonary vein isolation significantly increased freedom from recurrent atrial fibrillation at 12 months compared with medical therapy (77% vs 29%; OR 9.74; 95% CI 3.98 to 23.87).
Authors
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Supports prioritizing pulmonary vein isolation for rhythm control in atrial fibrillation; confirms benefit over medical therapy in Level 1 evidence.
Meta-Analysis (n=693)
Does pulmonary vein isolation improve freedom from recurrent atrial fibrillation compared to medical therapy in patients with atrial fibrillation?
Effect estimate: OR 9.74 (95% CI 3.98 to 23.87)
Absolute Event Rate: 77% vs 29%
Pulmonary vein isolation significantly increases freedom from recurrent atrial fibrillation at 1 year and reduces cardiovascular hospitalizations compared to medical therapy.
Piccini et al. (2009) conducted a meta-analysis in Atrial fibrillation (n=693). Pulmonary vein isolation (PVI) vs. Medical therapy was evaluated on Freedom from recurrent AF at 12 months (OR 9.74, 95% CI 3.98 to 23.87). Pulmonary vein isolation significantly increased freedom from recurrent atrial fibrillation at 12 months compared with medical therapy (77% vs 29%; OR 9.74; 95% CI 3.98 to 23.87).