Jose Manuel Rubio

Fundación Jiménez Díaz | IIS-FJD

Introduction Both atrial and ventricular pacing (AP/VP) have been related to a higher risk of clinical atrial fibrillation (AF) documented on ECG. Subclinical AF is detected as atrial high rate episodes (AHRE) by cardiac implantable electronic devices and is related to a higher risk of stroke. Purpose The aim of this study was to determine whether...

Ictal asystole can appear in patients with focal epilepsy, even in early phases. We present our experience of 7 cases, remarking the electrocardiographic characteristics, the role of apnea, treatment and long-term evolution. Awareness of this entity and collaboration between neurologists and cardiologists are essential for a correct diagnosis and m...

Brugada phenocopies (BrPs) are clinical entities that differ in etiology from true congenital Brugada syndrome but have identical electrocardiographic (ECG) patterns. Hyperkalemia is known to be one of the causes of BrP. The aim of this study was to determine the clinical characteristics and evolution of hyperkalemia-induced BrP. Data from 27 cases...

Introduction and hypothesis: Repeated hospitalizations for heart failure (HF) have a negative effect on quality of life and imply an important cost for the health care system. A drop of intrathoracic impedance due to pulmonary congestion detected by cardiac devices has been hypothesized to decrease hospitalization rate. Although Optivol algorithm (...

The role of cardiac resynchronization therapy (CRT) in patients aged ≥75 years is not well established. We identified 607 patients aged ≥75 years with left ventricular ejection fraction (LVEF) of ≤35 %, of whom 78 met the guidelines for indication of CRT. Based on the decision of the patients or attending cardiologists, 34 patients received a CRT d...

Introduction: Cardiac Resynchronization Therapy (CRT) for heart failure improves symptoms, Ejection Fraction (EF), and life expectancy in selected patients (pts). Its role in pts aged ≥75 years is not well established. In this study, we describe the results after CRT-D implantation in a population with ≥75 years. Methods: From January 2008 to April...

Objectives The aim of this study was to examine the feasibility of transthoracic two-dimensional (2D)-echocardiography in defining the cavo-tricuspid isthmus (CTI) anatomy and its value concerning the ease of catheter ablation of isthmic atrial flutter (AF).MethodsCTI analysis was accomplished in 39 cases: 16 necropsy specimens and 23 patients. Six...

Background: Inappropriate Sinus Tachycardia (IST) is characterized by persistent and disproportional elevation of Heart Rate (HR). Ivabradine has been successfully used in some patients. Methods: 24 patients (18 women, 41±13 year-old) were diagnosed of IST according to current guidelines criteria. Patients were treated with 5 to 7.5 mg of Ivabradin...

Cardiac anatomy is complex and its understanding is essential for the interventional arrhythmologist. The first difficulty is the terminology used to describe the location of sites of mapping and ablation. For many years, electrophysiologists have named these positions following the conventional electrocardiographical vocabulary, or the terminology...

Supraventricular arrhythmias comprise atrial extrasystoles, supraventricular tachycardia (SVT), and atrial fibrillation (AF). SVT includes atrial tachycardia and atrioventricular junctional tachycardia. Atrial flutter is the most common form of macro-re-entrant atrial tachycardia. Atrial extrasystoles are the most prevalent supraventricular arrhyth...

The prognosis for patients with ventricular arrhythmias has improved dramatically with the aid of implantable cardioverter-defibrillators (ICDs). Although infection is a serious complication that frequently causes dysfunction and loss of ICDs, the frequency, predisposing risk-factors, and clinical and microbiological features are only partially und...

Mesh prosthesis, local anesthesia, and ambulatory care have been widely introduced in recent decades in the treatment of inguinal hernia. The use of antibiotic prophylaxis during open inguinal hernia repair has been controversial. No prospective trial has been conducted to assess the role of antibiotic prophylaxis in patients operated on for inguin...

Left ventricular hypertrophy (LVH) is an important predictor of cardiovascular risk, and its detection contributes to risk stratification. The aims of the present study were to estimate the prevalence of echocardiographic LVH and to evaluate the influence of echocardiography (ECHO) on cardiovascular risk stratification in hypertensive patients pres...

Recent studies in animal models of sustained rapid atrial pacing have shown angiotensin II antagonists to prevent electrical remodeling in atrial fibrillation. However, no systematic research has been made of tissue expression of angiotensin II type 1 receptor (AT-1) in this animal model. This study was designed to assess atrial AT-1 receptor expre...

The understanding of cardiac anatomy is crucial for the interventional arrhythmologist. In spite of the introduction of several nonfluroscopic navigational tools, some of them capable of reconstructing a computer-based surrogate of the endocardial surface of the heart cavities, simple fluoroscopy with or without the aid of angiographic techniques i...

Antiarrhythmic drugs, mainly amiodarone and sotalol, radiofrequency catheter ablation, and the implantable cardioverter defibrillator (ICD) are the 3 therapeutic options in patients with sustained ventricular tachycardia (VT) or ventricular fibrillation (VF). Idiopathic VT, incessant VT, frequently recurring, hemodynamically stable VT, and VT based...

We report on a patient with a mediastinal tumor and electrocardiographic findings similar to those described in the Brugada syndrome. This peculiar ECG pattern disappeared after tumor removal, thus suggesting it was probably caused by compression of the right ventricular outflow tract by the mass.

Several trials have evaluated the role of amiodarone in decreasing mortality in patients at high risk of developing sudden death. Current evidence does not support the prophylactic use of amiodarone in myocardial infarction (MI) survivors with a depressed left ventricular function and/or frequent or complex ventricular ectopy. Some postinfarction t...

Atrionodal reentrant tachycardiac and tachyarrhythmias related to accessory atrioventricular pathways can be successfully treated with radiofrequency catheter ablation (RFCA) techniques with a low incidence of complications (1–4). In patients with ventricular tachycardia (VT), RFCA faces clinical, electrophysiologic, anatomic, and methodologic diff...