نتایج جستجو برای: af rhythm
تعداد نتایج: 48944 فیلتر نتایج به سال:
Diabetes mellitus (DM) is one of the most important risk factors for atrial fibrillation (AF) and is a predictor of stroke and thromboembolism. DM may increase the incidence of AF, and when it is combined with other risk factors, the incidence of stroke and thromboembolism may also be higher; furthermore, hospitalization due to heart failure appears to increase. Maintenance of well-controlled b...
SEE PAGE 1541 I n patients with atrial fibrillation (AF), loss of organized atrial contraction and accelerated ventricular rate can have both immediate and longterm adverse consequences, including deterioration of hemodynamics, progressive atrial and ventricular dysfunction, and an ongoing risk of ischemic stroke and systemic embolic events (SEEs). The principal goals of therapy are control of ...
Background Although previous clinical trials demonstrated the non-inferiority of a rate control to rhythm control strategy for management of atrial fibrillation (AF), the optimal treatment strategy for paroxysmal AF (PAF) remains unclear. Methods and Results A randomized, multicenter comparison of rate control vs rhythm control in Japanese patients with PAF (the Japanese Rhythm Management Trial...
BACKGROUND Atrial fibrillation (AF) may result in endocardial endothelium dysfunction. The main objective of the study was to evaluate the plasma concentration of endothelin-1 (ET-1) during persistent AF and after sinus rhythm recovery following direct-current cardioversion and to assess the predictive value of ET-1 in AF patients. METHODS The study group consisted of 43 patients with persist...
Radiofrequency catheter ablation procedures are considered a reasonable option for patients with symptomatic, drug refractory atrial fibrillation (AF). Ablation procedures have been reported to effectively restore sinus rhythm and provide long-term relief of symptoms. Both electrical and structural remodeling occurs with AF. A reversal of the electrical remodeling develops within 1 week after r...
BACKGROUND Postoperative atrial arrhythmias are common and are associated with considerable morbidity. This study was designed to evaluate the efficacy and safety of vernakalant for the conversion of atrial fibrillation (AF) or atrial flutter (AFL) after cardiac surgery. METHODS AND RESULTS This was a prospective, randomized, double-blind, placebo-controlled trial of vernakalant for the conve...
OBJECTIVE Upregulation of the receptor for advanced glycation end products (RAGE) has been proposed as a pathophysiological mechanism underlying the development of atrial fibrillation (AF). We sought to investigate if soluble RAGE levels are associated with AF in Caucasian patients. METHODS Patients (n = 587) were prospectively recruited and serum levels of soluble RAGE (sRAGE) and endogenous...
OBJECTIVES This study evaluated the role of pre-procedural clinical variables to predict procedural and clinical outcomes of catheter ablation in patients with long-lasting persistent atrial fibrillation (AF). BACKGROUND Catheter ablation of persistent AF remains a challenging task. METHODS Catheter ablation was performed in 90 patients (76 men, age 57 +/- 11 years) with long-lasting persis...
BACKGROUND Atrial electrical remodeling has been shown to influence the outcome the outcome following cardioversion of atrial fibrillation (AF) in experimental studies. The aim of the present study was to find out whether a non-invasively measured atrial fibrillatory cycle length, alone or in combination with other non-invasive parameters, could predict sinus rhythm maintenance after cardiovers...
BACKGROUND Recurrences of atrial fibrillation (AF) occur in up to 30% within 1 year after catheter ablation. This study evaluated the value of CHADS2, R2CHADS2, and CHA2DS2-VASc scores for the prediction of rhythm outcomes after AF catheter ablation. METHODS AND RESULTS Using the Leipzig Heart Center AF Ablation Registry, we documented rhythm outcomes within the first 12 months in 2069 patien...
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