Home > Cardiology > EHRA 2022 > Updates on Ablation > Low AF recurrence rates after PVI using pulsed-field ablation

Low AF recurrence rates after PVI using pulsed-field ablation

Presented By
Mr Thomas Kueffer, University of Bern, Switzerland
Presented by
Thomas Kueffer University of Bern
EHRA 2022
Low atrial fibrillation (AF) recurrence rates were observed in patients with paroxysmal or persistent AF who underwent pulmonary vein isolation (PVI) using pulsed-field ablation (PFA). The results further showed durable isolation of pulmonary veins and no indication of PFA lesion regression in patients who had a recurrence of AF and underwent redo procedures. PFA is a novel technique for PVI, displaying procedural efficacy and safety. However, limited data is available on AF recurrence after PVI through PFA and PVI durability during redo procedures [1,2]. Mr Thomas Kueffer (University of Bern, Switzerland) and colleagues investigated these issues in 41 patients (median age 69 years; 24% women; 56% with persistent AF) who underwent a first PVI with PFA [3]. PVI was verified by 3D-electroanatomical mapping. The duration of the post-procedural blanking period was 3 months. After this blanking period, episodes of AF or atrial tachyca...

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