Alain Manuel Viso Rocha

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Purpose Multiple organization indices (OIs) have been used to predict the outcome of stepwise catheter ablation (step-CA) in long-standing persistent AF (pers-AF), however with limited success. Our study aims at developing innovative OIs from baseline (BL, ...

Purpose: multiple organization indices (OIs) have been used to predict the outcome of stepwise catheter ablation (step-CA) in long-standing persistent AF (pers-AF), however with limited success. Our study aims at developing innovative OIs from baseline (BL, before ablation) ECG in order to predict the outcome of step-CA. Methods: fourteen consecutive patients (pts) (60±5 y, AF duration 21±9 m) underwent a step-CA consisting in pulmonary veins isolation, left atrial (LA) defragmentation and linear ablations,

Introduction: Stepwise radiofrequency catheter ablation (step-CA) has become a treatment of choice for the restoration of sinus rhythm (SR) in patients (pts) with long-standing persistent atrial fibrillation (pers-AF). Its success rate appears limited as the amount of ablation to achieve long term SR is unknown. Recently, intracardiac organization indices (OI) of AF have been used to track the efficiency of step-CA, with limited success. Our study is aimed at developing new OIs based on the relationships be

The outcome of stepwise catheter ablation (step-CA) for patients (pts) with long-standing atrial fibrillation (LS-pAF) is poorly predicted by classical organization indices (OI). Our study aims at developing new indices from pre-ablation ECG in order to identify the site of AF termination during step-CA. Methods: 23 consecutive pts (59±7y, AF duration 19±12m) underwent step-CA consisting in pulmonary veins isolation, left atrial (LA) defragmentation, and right atrial (RA) ablations for non terminated AF. Ch

Atrial fibrillation (AF) is the most important trigger for heart failure and stroke. Reliable methods for predicting AF are lacking and ECG analysis could improve this process. P-wave characteristics in the ECG are an important source of information in the diagnosis of atrial conduction pathology. In our study, we investigate different markers resulting from ECG analysis for detecting AF early stages. Methods: our database consists of 48 ECG from healthy patients (group N, age: 45 to 75 y) , 5 ECG from heal

Stepwise radiofrequency catheter ablation (step-CA) has become the treatment of choice for the restoration of sinus rhythm (SR) in patients with long-standing persistent atrial fibrillation (pers-AF). Its success rate appears limited as the amount of ablat ...

Several organization indices have been used to predict the outcome of stepwise catheter ablation (step-CA) in long-standing persistent atrial fibrillation (LS-pAF), however with limited success. Our study aims at developing innovative indices from baseline ...

Alain Manuel Viso Rocha

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Termination of atrial fibrillation by catheter ablation can be successfully predicted from baseline ECG

Termination of atrial fibrillation by catheter ablation can be successfully predicted from baseline ECG

ECG periodic components as a promising tool for complexity assessment during stepwise ablation of atrial fibrillation

High pre-ablation ECG organization in long-standing persistent atrial fibrillation terminated within the left atrium

Markers for risk to develop atrial fibrillation based on a new electrocardiographic tool

A New Method for ECG Tracking of Persistent Atrial Fibrillation Termination during Stepwise Ablation

Termination of atrial fibrillation by catheter ablation can be successfully predicted from baseline ECG