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Evolution of success rates of catheter ablation of AF over time. Results shown are those obtained in a meta-analysis by Perino et al.20 (with permission from American Heart Journal and Elsevier). (A) Results for paroxysmal AF; (B) results for persistent AF. Regression lines suggest adjusted mean improvement rates (dashed lines) that were 1%/year for paroxysmal and 1.4%/year for persistent AF-ablations.
