نتایج جستجو برای: catheter ablation atrial function
تعداد نتایج: 1356655 فیلتر نتایج به سال:
BACKGROUND Atrial fibrillation is the commonest arrhythmia which raises the risk of heart failure, thromboembolic stroke, morbidity and death. Pharmacological treatments of this condition are focused on heart rate control, rhythm control and reduction in risk of stroke. Selective ablation of cardiac tissues resulting in isolation of areas causing atrial fibrillation is another treatment strateg...
BACKGROUND AND OBJECTIVES Although there have been so many reports of catheter ablation of atrial fibrillation (AF) with magnetic navigation system (MNS), it is not necessarily obvious that MNS is more effective than conventional ablation. We performed AF ablation with MNS and compared the clinical outcomes and radiofrequency ablation parameters with those of conventional ablation. SUBJECTS A...
AIMS This prospective, multicentre study (PRECISION GOLD) evaluated the incidence of asymptomatic cerebral embolism (ACE) after pulmonary vein isolation (PVI) using a new gold multi-electrode radiofrequency (RF) ablation catheter, pulmonary vein ablation catheter (PVAC) GOLD. Also, procedural efficiency of PVAC GOLD was compared with ERACE. The ERACE study demonstrated that a low incidence of A...
OBJECTIVES This study investigated whether the serum matrix metalloproteinase-9 level is an independent predictor of recurrence after catheter ablation for persistent atrial fibrillation. METHODS Fifty-eight consecutive patients with persistent atrial fibrillation were enrolled and underwent catheter ablation. The serum matrix metalloproteinase-9 level was detected before ablation and its rel...
Radiofrequency catheter (RF) ablation aiming the complete conduction block of the cavotricuspid isthmus has become treatment of choice for common type atrial flutter. Different approaches to guide the ablation procedure are used. For the conventional approach multipolar catheters in the right atrium and in the coronary sinus are required to detect the induction of conduction block via the isthm...
Ablation of cavotricuspid ishtmus flutter and atrial tachycardia in a complex substrate has never been reported using remote navigation via superior approach. Venous access was obtained via right internal jugular for ablation and left subclavian for duodecapolar catheter placement into the coronary sinus. In a posttransplant patient presenting with both regular and irregular tachycardia, both c...
Atrial fibrillation is the most common arrhythmia encountered in clinical practice and can result in significant morbidity and mortality. Catheter ablation has become a feasible therapeutic option for the management of this complex and challenging arrhythmia. In this article, we have discussed the mechanism of atrial fibrillation, different imaging modalities used for atrial fibrillation ablati...
BACKGROUND Atrial fibrillation is the most common sustained arrhythmia. Medical treatment often fails to control symptoms. PURPOSE To compare the benefits and harms of radiofrequency catheter ablation and medical therapy in adults with atrial fibrillation. DATA SOURCES MEDLINE and the Cochrane Central Register of Controlled Trials (2000 to December 2008) were searched for English-language r...
Catheter ablation is a well established and widely used therapy option of atrial fibrillation. The use of 3D mapping systems to aid the ablation process has become standard in most centers. Whether preprocedural imaging is an asset to catheter ablation procedures is of debate. Available methods and the existing evidence are outlined in this article.
The first clinical application of a catheter ablation technique was to create complete atrioventricular (AV) block by the transcatheter delivery of a direct-current shock to the AV junction in patients with supraventricular tachycardia refractory to pharmacologic therapy.^'^ This was followed by attempts at catheter ablation of ventricular tachycardia (VT) foci, accessory pathways, and atrial t...
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