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In this prospective, randomised, controlled, unblinded,monocentric study, we aim to evaluate the safety and efficacy of higher power CLOSE-guided PVI in patients referred for a first ablation for paroxysmal AF. We aim to include 100 patients into two groups (1:1). The experimental group will receive AF ablation with 45 Watt and stricter stability criteria (3 mm for 3 seconds) compared to the control group which will receive AF ablation according to the standard CLOSE-protocol (35 Watt and stability criteria of 3 mm for 8 seconds).
BACKGROUND: In a population of paroxysmal AF 'CLOSE'-guided PVI (Target Ablation index (AI) >550 and >400 for anterior and posterior wall respectively, interlesion distance ≤6mm) has been shown to obtain single-procedure durable PV isolation. However, the optimal RF power and stability criteria is unknown.
OBJECTIVES: With this study, we aim at evaluation the efficacy and the safety of higher power (45 watts) and stricter stability criteria (3 mm for 3 sec) as compared to a standard CLOSE protocol (35 watts with stability of 3 mm for 8 sec) in patients referred for a first ablation for paroxysmal AF.
POPULATION: Eligible patients are patients with paroxysmal AF who are planned for a 'CLOSE'-guided PV isolation for paroxysmal AF. At the time of the procedrual planning, we will ask the patient his/her consent for collectio of data. We aim at including 100 patients.
High power CLOSE-guided PVI ablation, Standard CLOSE-guided PVI ablation
Department of Cardiology
AZ Sint-Jan AV
Published on BioPortfolio: 2019-10-16T10:39:24-0400
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