Atrioventricular Node Modification in Patients With Chronic Atrial Fibrillation
نویسندگان
چکیده
منابع مشابه
Atrioventricular node modification in patients with chronic atrial fibrillation: role of morphology of RR interval variation.
BACKGROUND This study evaluates the role of RR interval distribution pattern as an outcome predictor of radiofrequency (RF) modification of atrioventricular (AV) node in chronic atrial fibrillation (AF) and attempts to elucidate the likely mechanism of rate control. METHODS AND RESULTS Sixty-five patients with chronic AF underwent AV node modification. The RR interval distribution pattern was...
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Introduction: Recent evidence has indicated that statins can reduce the incidence of both supraventricular and ventricular arrhythmias with various mechanisms. The primary goal of the present study was to determine direct protective role of simvastatin in modifying concealed conduction and the zone of concealment in a simulated model of atrial fibrillation (AF) in an isolated atrioventricula...
متن کاملModification of the Atrioventricular Node in Patients with Chronic Atrial Fibrillation: The Role of RR Interval Distribution Pattern
chronic atrial fibrillation (AF) who, despite pharmaceutical treatment, continue to present symptoms related to rapid ventricular response, must aim at the permanent control of the ventricular rate. It has been shown that this aim may be achieved with radio frequency catheter ablation in the posteroseptal and midseptal region of the tricuspid annulus. It has been suggested that the ablation of ...
متن کاملRole of nitric oxide on the electrophysiological properties of isolated rabbit atrioventricular node by extracellular field potential during atrial fibrillation
Introduction: The aim of the present study was to determine direct effects of NO modulation on protective electrophysiological properties of atrioventricular node (AV node) in the experimental model of AF in rabbit. Methods: Isolated perfused rabbit AV nodal preparations were used in two groups. In the first group (N=7), LNAME (50μM) was applied. In the second group (N=12), different concent...
متن کاملAtrioventricular node ablation is not a prerequisite for cardiac resynchronization therapy in patients with chronic atrial fibrillation.
BACKGROUND In drug-refractory heart failure, cardiac resynchronization therapy (CRT) is an established method in patients with sinus rhythm, severe reduced ejection fraction and broad QRS. Heart failure is known as a predisposition for atrial fibrillation (AF). However, the putative impact of atrioventricular node (AVN) ablation in chronic AF and CRT remains unclear. The aim of this study was t...
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ژورنال
عنوان ژورنال: Circulation
سال: 2001
ISSN: 0009-7322,1524-4539
DOI: 10.1161/01.cir.103.24.2942