BACKGROUND Atrial fibrillation (AF) is uncommon in children, and its mechanisms are unknown. This study describes the electrophysiological findings in children and adolescents with AF and the outcome of catheter ablation. METHODS AND RESULTS Nine adolescents with symptomatic, lone AF who failed antiarrhythmic drug therapy were evaluated. All patients had ECG-documented AF and underwent invasi...

conclusions we can conclude that treatment of af using a right-sided minithoracotomy approach and rf energy in patients undergoing cardiac surgery for various valve diseases is feasible, safe, and reproducible. objectives our aim is to evaluate the feasibility, safety, and immediate plus medium-term results of concomitant af ablation therapy in patients undergoing minimally invasive valve surge...

AIMS Surgical ablation procedures for treating atrial fibrillation have been shown to be highly successful. However, the ideal ablation pattern still remains to be determined. This article reports on a systematic study of the effectiveness of the performance of different ablation line patterns. METHODS AND RESULTS This study of ablation line patterns was performed in a biophysical model of hu...

If we want to improve the outcomes, increase the success and reduce the complication rate of existing treatment strategies in concomitant and stand-alone atrial fibrillation (AF) procedures, we will have to increase our understanding of the pathophysiology, and of the disease, the limitations of current energy sources and ablation catheters, the different possible lesion sets, as well as improv...

A disease that is associated with stroke and mortality, atrial fibrillation (AF) complicates 30 to 50% of mitral valve disease patients admitted for surgery.(1) Since the introduction of the Cox maze III procedure in 1992 many efforts have been made to come up with modified lesion sets and/or energy sources to surgically treat AF. This lead to the recently published American Heart Association (...

Method Fourteen consecutive patients with long term and short term persistent atrial fibrillation were the basis of this report. On full cardiopulmonary bypass, radiofrequency clamps were applied to the epicardial left atrial tissue surrounding the right and left pulmonary veins, separately. The left atrial appendage was amputated on the arrested heart. Via that defect, an epicardial to endocar...

Acute rheumatic fever produces a pancarditis affecting the pericardium, epicardium, myocardium, and endocardium. Consequently, rheumatic heart disease (RHD) is a chronic inflammatory disorder that may involve most parts of the heart including valves and myocardial tissue. Atrial fibrillation (AF) in patients with RHD results from haemodynamic consequences of valvular or myocardial heart disease...

Controversy revolves around the differential contribution of NR2A- and NR2B-containing NMDA receptors, which coexist in principal forebrain neurons, to synaptic plasticity and learning in the adult brain. Here, we report genetically modified mice in which the NR2B subunit is selectively ablated in principal neurons of the entire postnatal forebrain or only the hippocampus. NR2B ablation resulte...

Highlights The development and implementation of video-assisted thoracoscopic atrial fibrillation ablation since 2005 by R. Wolf colleagues have undergone a number modifications for improvement simplification. A study the evolutionary is necessary to optimize recruitment surgical technique different forms fibrillation. Abstract There variety treatments (AF): therapeutic, interventional surgical...