The pivotal ADVENT trial of the Farapulse pulsed field ablation (PFA) system developed by Boston Scientific Corp. returned positive results at one year, according to a presentation at the ESC Congress 2023 that was simultaneously published in the New England Journal of Medicine. The study compared Farapulse, a nonthermal treatment that ablates heart tissue, to radiofrequency or cryoablation, the current standards of care for paroxysmal atrial fibrillation.