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Pulsed Field Ablation vs Cryoablation In Paroxysmal Atrial Fibrillation — FACIL AF  

Atrial Fibrillation Paroxysmal Clinical Trial

Official title:
Pulsed Field Ablation vs Cryoablation In Paroxysmal Atrial Fibrillation

Clinical Trial Summary

Cryoballoon pulmonary vein isolation (PVI) has emerged as an alternative to radiofrequency in the treatment of drug-resistant atrial fibrillation (AF). (1) Cryoablation offers potential advantages over radiofrequency, including shorter procedure times, decreased fluoroscopy time, shorter hospital length of stay, and different rates and types of complications. (2) The efficacy over a mean follow-up of one year with cryoablation for AF is comparable to that of radiofrequency ablation in a prospective randomized trial, with a lower major complication rate (3, 4). In recent years, AF cryoablation has established itself as a real alternative to RF ablation, to the point that this ablative source is chosen in one out of five European patients undergoing PV isolation. 70-80% of patients maintain sinus rhythm after a first procedure, showing an efficacy rate equivalent to ablation by RF. It is also comparable to RF when it comes to safety. Phrenic nerve palsy remains the major concern of cryoablation, accounting for 40% of periprocedural complications. A reduction in total procedure time and less dependence on the operator's experience make cryoablation an attractive choice for centres starting an AF ablation program. In conclusion, we do not yet have definitive data to affirm the superiority of one energy source over the other. Generally the choice depends on the availability of the centre and on the experience of the operator. Pulse field ablation (PFA): Vivek Y. Reddy demonstrates that in patients with paroxysmal atrial fibrillation, PFA rapidly and efficiently isolates PVs with a degree of tissue selectivity and a safety profile(1).PFA can achieve a high degree of durable PV isolation with a comparable efficiency than another techniques (RF or CRYO) at one year follow-up (2) Cryoablation has been a recognised technique for the ablation of atrial fibrillation for many years, with many studies comparing the technique to radiofrequency ablation with equal results. Studies are underway to compare radiofrequency AF ablation versus PFA (BEAT-AF study). A randomized study to compare two methods of cryoablation versus PFA will be necessary to validate the non-inferiority of the technique.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05940597
Study type Interventional
Source University Hospital, Grenoble
Contact Sandrine VENIER
Phone +334767688888
Email svenier@chu-grenoble.fr
Status Not yet recruiting
Phase N/A
Start date September 2023
Completion date September 2026
View Details
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