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AIMS The Medical ANtiarrhythmic Treatment or Radiofrequency Ablation in Paroxysmal Atrial Fibrillation (MANTRA-PAF) trial assessed the long-term efficacy of an initial strategy of radiofrequency ablation (RFA) vs. antiarrhythmic drug therapy (AAD) as first-line treatment for patients with PAF. In this substudy, we evaluated the effect of these treatment(More)
AIMS To study the prevalence, characteristics and natural course of inappropriate sinus tachycardia (IST). METHODS AND RESULTS The prevalence and characteristics of IST were evaluated in a random sample of 604 middle-aged subjects. Seven of the subjects (1.16%) fulfilled the contemporary diagnostic criteria of IST. The systolic (147+/-11 mmHg vs. 130+/-13(More)
BACKGROUND Periprocedural management of oral anticoagulation (OAC) in patients undergoing cardiac rhythm management (CRM) device implantation is controversial. Prior studies demonstrate that uninterrupted OAC may be safe, but limited data from randomized trials exist. METHODS We conducted a multicenter, randomized trial to evaluate the safety of(More)
AIMS Sarcoidosis is a multisystem, granulomatous disease with occasional cardiac manifestations. The clinical course of patients with ventricular tachyarrhythmias as a primary presentation of sarcoidosis is mostly unknown. METHODS AND RESULTS We describe nine patients (four males and five females) in whom sarcoidosis manifested as ventricular tachycardia(More)
OBJECTIVES This study assessed the predictive power of arrhythmia risk markers after an acute myocardial infarction (AMI). BACKGROUND Several risk variables have been suggested to predict the occurrence of sudden cardiac death (SCD), but the utility of these variables has not been well established among patients using medical therapy according to(More)
AIM Reduced right ventricular (RV) systolic function correlates with poor prognosis in several heart diseases. The aim of this prospective single-Center study was to investigate whether conformal three-dimensional (3D) breast cancer radiotherapy impairs RV function. PATIENTS AND METHODS Forty-nine patients with early-stage left-sided breast cancer(More)
BACKGROUND Adenosine has been proposed as one mediator for the preconditioning effect in the myocardium of some animals, but recent investigations have shown that this may not be the mechanism in the rat heart, although the effect itself is clearly demonstrable. The cellular energy state has been shown to be better in preconditioned hearts, and the role of(More)
BACKGROUND Free radicals and lipid peroxidation have been suggested to play an important role in the pathophysiology of myocardial reperfusion injury. The purpose of the present study was to monitor myocardial malondialdehyde (MDA) production as an index of lipid peroxidation during ischemia-reperfusion sequences in patients undergoing elective coronary(More)
BACKGROUND Atrial fibrillation (AF) increases morbidity and mortality in patients with previous myocardial infarction and left ventricular systolic dysfunction. The purpose of this study was to identify patients with a high risk for new-onset AF in this population using invasive and noninvasive electrophysiological tests. METHODS The study included 271(More)