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
Conference
EHRA 2022
Doi
https://doi.org/10.55788/e4f726b6
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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