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Clinical and Electrophysiological Predictors of Arrhythmic Recurrence in Patients With Paroxysmal AF Undergoing First Ablation Procedure of AF by Pulmonary Vein Isolation — PREDICTORS  

Atrial Fibrillation Paroxysmal Clinical Trial

Official title:
Clinical and Electrophysiological Predictors of Arrhythmic Recurrence in Patients With Paroxysmal Atrial Fibrillation Undergoing First Transcatheter Ablation Procedure of Atrial Fibrillation by Pulmonary Vein Isolation

Clinical Trial Summary

From the literature, the success rate (i.e., absence of AF recurrence) of ablation in cases of paroxysmal AF at one year changes between 70 and 85 percent. This rate is considered suboptimal. Currently there are no data that can assess which factors are predictive of recurrence both clinically and electrophysiologically. In particular, it is not known whether and to what extent the atrial substrate present under baseline conditions affects the success rate of the procedure and what relationships exist with other predictors such as age, sex, atrial size at echo, and duration of arrhythmia.

Clinical Trial Description

This is a multicenter prospective and retrospective observational study aimed at examining the role of the left atrial substrate and other baseline clinical variables on the efficacy of transcatheter ablation in patients with paroxysmal atrial fibrillation (AF) who underwent pulmonary vein isolation regardless of the power source and balloon or "point by point" catheters used. The study will evaluate whether there are baseline clinical or electrophysiological features that can predict the success of transcatheter atrial fibrillation ablation even before it is performed, so as to assess which patients may actually benefit, and which patients should instead undergo more extensive ablative procedures in conjunction with pulmonary vein isolation to achieve an optimal success rate. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06085014
Study type Observational
Source Centro Cardiologico Monzino
Contact Stefania Riva, MD
Phone 02 58002584
Email stefania.riva@cardiologicomonzino.it
Status Recruiting
Phase
Start date September 6, 2023
Completion date September 2024
View Details
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