Antonio Berruezo

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AIMS The success rate of circumferential pulmonary vein ablation (CPVA) to treat atrial fibrillation (AF) ranges from 60 to 90%, depending on the series. The objective of the study was to identify predictors of AF recurrence after a standardized CPVA procedure. METHODS AND RESULTS A series of 148 consecutive patients undergoing CPVA for symptomatic(More)
BACKGROUND Catheter ablation (CA) and minimally invasive surgical ablation (SA) have become accepted therapy for antiarrhythmic drug-refractory atrial fibrillation. This study describes the first randomized clinical trial comparing their efficacy and safety during a 12-month follow-up. METHODS AND RESULTS One hundred twenty-four patients with(More)
BACKGROUND The purpose of this study was to describe the epicardial percutaneous ablation experience of 6 European high-volume ventricular tachycardia (VT) ablation centers. METHODS AND RESULTS Data from 218 patients with coronary artery disease (CAD, n=85 [39.0%]), idiopathic dilated of patients with idiopathic VT cardiomyopathy (IDCM, n=67 [30.7%]),(More)
AIMS Though right atrial appendage tachycardia (RAAT) has been described, no studies to date have focused on its clinical characterization. The aim of the present study was to analyze its clinical, electrocardiographic (ECG), and electrophysiologic (EP) characteristics and the results of radiofrequency ablation (RFA) in RAAT. METHODS AND RESULTS Out of(More)
AIMS The aim of this study is to determine the incidence of lone atrial fibrillation (LAF) in males according to sport practice and to identify possible clinical markers related to LAF among marathon runners. METHODS AND RESULTS A retrospective cohort study was designed. A group of marathon runners (n = 252) and a population-based sample of sedentary men(More)
INTRODUCTION Echocardiography is widely used to optimize CRT programming, but it is time-consuming. This study aimed to correlate the optimal interventricular pacing (V-V) interval obtained by echo with the optimal V-V interval obtained by a simpler method based on the surface ECG. METHODS AND RESULTS Three V-V intervals were tested: LV preactivation at(More)
AIMS Atrial fibrillation (AF) ablation efficacy varies according to patients' clinical characteristics. Although the association of obstructive sleep apnoea (OSA) and AF is well established, data on AF ablation efficacy in OSA are scarce. The aim of this study was to clarify the effect of OSA on the outcome of AF ablation. METHODS AND RESULTS A series of(More)
OBJECTIVES We sought to assess differences in phenotype and prognosis between men and women in a large population of patients with Brugada syndrome. BACKGROUND A male predominance has been reported in the Brugada syndrome. No specific data are available, however, concerning gender differences in the clinical manifestations and their role in prognosis. (More)
INTRODUCTION Circumferential pulmonary vein ablation (CPVA) for atrial fibrillation (AF) consists of creating extensive lesions in the left atrium (LA). The aim of the study was to evaluate changes in LA contractility after ablation and their relationship with procedure outcome. METHODS AND RESULTS A series of 90 consecutive patients underwent cardiac(More)
BACKGROUND Conducting channels are the target for ventricular tachycardia (VT) ablation. Conducting channels could be identified with contrast enhanced-cardiac magnetic resonance (ce-CMR) as border zone (BZ) corridors. A 3-dimensional (3D) reconstruction of the ce-CMR could allow visualization of the 3D structure of these BZ channels. METHODS AND RESULTS(More)