Pulsed Field Ablation in Brazil: What the Registry Tells Us, and What It Does Not

The article Brazilian Registry of Pulsed Field Catheter Ablation for the Treatment of Patients with Atrial Fibrillation, recently published in this journal by May et al., is a timely and genuinely important contribution. Documenting the initial 394 pulsed field ablation (PFA) procedures across 60 centers and 60 operators is no small task, and the authors deserve credit for organizing a voluntary, multicenter effort this early in the technology’s domestic adoption. The absence of major complications and the demonstration of a steep, short learning curve are reassuring findings for centers still considering whether to adopt PFA.

That said, a few aspects of the registry warrant further discussion.

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