Circulation. Arrhythmia and electrophysiology · 2024
Pulsed Field Ablation as First-Line Therapy for Atrial Fibrillation: A Substudy of the EU-PORIA Registry.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Füting Anna, Neven Kars, Bordignon Stefano, Reichlin Tobias, Blaauw Yuri, Hansen Jim, Adelino Raquel, Ouss Alexandre, Roten Laurent, Mulder Bart A, Ruwald Martin H, Mené Roberto, van der Voort Pepijn, Reinsch Nico, Kueffer Thomas, Boveda Serge, Albrecht Elizabeth M, Raybuck Jonathan D, Sutton Brad, Chun Kyoung Ryul Julian, Schmidt Boris
Аннотация
BACKGROUND: Recent studies have demonstrated the benefit of early ablation in preventing the progression of atrial fibrillation (AF). Clinical practice has reflected this shift in AF management and no longer requires patients to fail antiarrhythmic drugs (AADs) before receiving ablation. However, there is limited evidence on outcomes with pulsed field ablation (PFA) as a first-line therapy. Examination of real-world data may shed light on clinical practices and the effectiveness of PFA with and without a prior history of AAD usage.
METHODS: European Real World Outcomes with Pulsed Field Ablation is an all-comer AF registry enrolling consecutive patients treated with the pentaspline PFA catheter at 7 high-volume centers in Europe. This subanalysis evaluates patients with a history of class I/III AAD use versus those with no documented history of class I/III AAD use (first-line patients). Patients with incomplete AAD history, long-standing persistent AF, and those undergoing a repeat ablation procedure were excluded. Patients were treated and followed based on institutional standard of care. Any episode of atrial tachycardia or AF lasting longer than 30 s was considered an arrhythmia recurrence.
RESULTS: Of 1233 patients enrolled in European real world outcomes with pulsed field ablation, 1091 met the inclusion criteria (mean age, 66 years; 40% females; and persistent AF, 36%). Pulmonary vein isolation-only was used in 90% of the patients, and 10% received extra-PV ablation. Ablation as the first-line approach was chosen in 589 patients, and 502 patients had prior class I/III AAD use. In the first-line PFA group, paroxysmal AF was more frequent (68% versus 59%; P<0.001), and pulmonary vein isolation-only was more frequent (93% versus 86%; P<0.001). At 1-year follow-up, freedom from AF/atrial tachycardia recurrence was similar in the ablation-first versus the ablation after failed AAD group (78% versus 74%, respectively; P=0.076).
CONCLUSION: In this large real-world PFA registry, freedom from AF/atrial tachycardia recurrence after 1 year was similar in patients undergoing PFA as a first-line treatment and those with prior failed AAD therapy.
REGISTRATION: URL: https://www.clinicaltrials.gov; Unique identifier: NCT05823818.
METHODS: European Real World Outcomes with Pulsed Field Ablation is an all-comer AF registry enrolling consecutive patients treated with the pentaspline PFA catheter at 7 high-volume centers in Europe. This subanalysis evaluates patients with a history of class I/III AAD use versus those with no documented history of class I/III AAD use (first-line patients). Patients with incomplete AAD history, long-standing persistent AF, and those undergoing a repeat ablation procedure were excluded. Patients were treated and followed based on institutional standard of care. Any episode of atrial tachycardia or AF lasting longer than 30 s was considered an arrhythmia recurrence.
RESULTS: Of 1233 patients enrolled in European real world outcomes with pulsed field ablation, 1091 met the inclusion criteria (mean age, 66 years; 40% females; and persistent AF, 36%). Pulmonary vein isolation-only was used in 90% of the patients, and 10% received extra-PV ablation. Ablation as the first-line approach was chosen in 589 patients, and 502 patients had prior class I/III AAD use. In the first-line PFA group, paroxysmal AF was more frequent (68% versus 59%; P<0.001), and pulmonary vein isolation-only was more frequent (93% versus 86%; P<0.001). At 1-year follow-up, freedom from AF/atrial tachycardia recurrence was similar in the ablation-first versus the ablation after failed AAD group (78% versus 74%, respectively; P=0.076).
CONCLUSION: In this large real-world PFA registry, freedom from AF/atrial tachycardia recurrence after 1 year was similar in patients undergoing PFA as a first-line treatment and those with prior failed AAD therapy.
REGISTRATION: URL: https://www.clinicaltrials.gov; Unique identifier: NCT05823818.