Search Results
Results 51 - 100 of 1347
1 2 3 4 5 6 7 8 9 10 >
Strieper Margaret J - - 2010
Atrial fibrillation is rarely encountered in children and adolescents, and these cases are usually secondary to myocardial diseases, electrical abnormalities, or scar related in postoperative congenital heart disease patients. Untreated sustained atrial fibrillation may lead to tachycardia-induced cardiomyopathy and/or systemic thromboembolization. The objective here is to describe our findings in ...
Artin Bassel - - 2010
We present a case of caffeine-induced atrial fibrillation which spontaneously reverted to normal sinus rhythm. Caffeine is a methylxanthine alkaloid that can cause various supraventricular and ventricular arrhythmias. It is important to improve public awareness of the potential adverse effects of high consumption of caffeine-containing products as fatal and serious ...
Grubina Rozalina - - 2010
We present a case of large pneumopericardium resulting from an esophageal pericardial fistula following ablation for atrial fibrillation (AF). The presentation, evaluation, and management of this specific patient, along with a review of present techniques to diagnose esophageal injury, provide a unique insight into the pathophysiology of left atrial-esophageal fistula ...
Deane Kristen - - 2010
For patients with atrial fibrillation, more relaxed heart rate control is as effective as stricter control but, with fewer adverse effects.
Finnin Miki - - 2010
PURPOSE: The pharmacology, pharmacokinetics, safety, clinical efficacy, and role of intravenous vernakalant hydrochloride for the rapid conversion of atrial fibrillation (AF) to normal sinus rhythm are reviewed. SUMMARY: Vernakalant, currently being evaluated by the Food and Drug Administration (FDA), for the termination of atrial fibrillation, differs in pharmacology from other ...
Bezzina Connie R CR Department of Experimental Cardiology, University of Amsterdam, Amsterdam, The Netherlands. - - 2010
Sudden cardiac death from ventricular fibrillation during acute myocardial infarction is a leading cause of total and cardiovascular mortality. To our knowledge, we here report the first genome-wide association study for this trait, conducted in a set of 972 individuals with a first acute myocardial infarction, 515 of whom had ...
Tan V H - - 2010
Atrial fibrillation is the most common arrhythmia in clinical practice. There is no difference in mortality, incidence of stroke or quality of life regardless of whether the rhythm control or rate control strategy is used. However, in certain circumstances, such as when rate control is inadequate, rhythm control is a ...
Rondano Elisa - - 2010
BACKGROUND: The level of atrial mechanical asynchrony may vary within the atrial fibrillation population and this may have pathophysiological relevance. OBJECTIVE: We sought to verify whether the degree of left-atrial mechanical asynchrony associated with atrial fibrillation is a predictor of arrhythmia recurrence after restoration of sinus rhythm with electrical cardioversion. ...
Aliyev Farid - - 2010
We present a 30-year-old male with complex and predominantly cardiovascular autonomic dysfunction. He had frequent syncopal attacks and paroxysmal atrial fibrillation (PAF). Physical, electrocardiographic, and echocardiographic findings were unremarkable. Syncopal attacks were precipitated by emotional stress, upright position, and micturition. Electrocardiograms obtained immediately after syncopal events revealed PAF with a ...
Geidel Stephan - - 2011
This analysis was undertaken to evaluate the results of persistent atrial fibrillation ablation procedures concomitant to open surgery and to identify risk factors for persistent atrial fibrillation recurrence. Since 2001, a total of 325 consecutive patients with persistent atrial fibrillation (duration, 0.5-33 years) have undergone persistent atrial fibrillation ablation concomitant ...
Fukahara Kazuaki - - 2010
The impact of pre-existing atrial fibrillation on the long-term outcome in patients after off-pump coronary revascularisation is not well known. This study aims to determine the independent effects of preoperative atrial fibrillation on the early and late outcomes of off-pump coronary artery bypass surgery. A total of 513 patients undergoing ...
Gaudio Carlo - - 2011
Cardiac multi-detector computed tomography (MDCT) is widely used in the diagnosis of coronary disease. However, the predictive value of this technique is limited in the presence of atrial fibrillation and coronary stents. Here we present a case showing the ability of the new 320-slice MDCT to assess coronary anatomy in ...
Marcus Gregory M GM Division of Cardiology, University of California, San Francisco, CA, USA. - - 2010
Previous studies relying on clinical care data have suggested that atrial fibrillation is less common in African Americans than Caucasians, but the mechanism remains unknown. Clinical care may itself vary by race, potentially affecting the accuracy of atrial fibrillation ascertainment in studies relying on clinical data. We sought to examine ...
Kolek Martin - - 2010
AIM: The aim of this prospective study was to assess the presence of sinus rhythm and atrial transport function after surgical ablation of atrial fibrillation using cryoenergy, and to evaluate predictors of the success of the procedure. METHODS: Between January 2005 and September 2006, 100 consecutive patients underwent left atrial ...
Gardini Armando - - 2010
Atrial fibrillation and chronic heart failure often coexist. Asymptomatic atrial fibrillation is common in patients with known atrial fibrillation but also in patients with no history of previous atrial fibrillation. The enhanced diagnostic capabilities of modern implantable devices for cardiac resynchronization therapy allow collecting of data on the clinical status ...
Carvas Marcelo - - 2010
INTRODUCTION: Extensive experimental studies and clinical evidence (Metabolic Efficiency with Ranzolazine for Less Ischemia in Non-ST-Elevation Acute Coronary Syndrome Thrombolysis in Myocardial Infarction-36 [MERLIN TIMI-36] trial) indicate potential antiarrhythmic efficacy of the antianginal agent ranolazine. Delivery of agents into the pericardial space allows high local concentrations to be maintained in ...
Deedwania Prakash C - - 2010
Chronic heart failure and atrial fibrillation are 2 major disorders that are closely linked. Their coexistence is associated with adverse prognosis. Both share several common predisposing conditions, but their interaction involves complex ultrastructural, electrophysiologic, and neurohormonal processes that go beyond mere sharing of mutual risk factors. Rate control approach remains ...
Menke Jan - - 2010
Thromboembolism is a severe complication in atrial fibrillation. This overview presents thromboembolic disease as a single entity, ranging from stroke through mesenteric ischemia to acute limb ischemia. The PubMed, Embase, and Cochrane databases were systematically searched for the terms "atrial fibrillation" and "thromboembolism" in reports published from January 1986 to ...
Macedo Paula G - - 2010
Ablation procedures for atrial fibrillation have become an established and increasingly used option for managing patients with symptomatic arrhythmia. The anatomic structures relevant to the pathogenesis of atrial fibrillation and ablation procedures are varied and include the pulmonary veins, other thoracic veins, the left atrial myocardium, and autonomic ganglia. Exact ...
Lin Yung-Kuo - - 2010
Atrial fibrillation is the most common sustained cardiac arrhythmia. Obesity and metabolic syndrome are independent risk factors for atrial fibrillation, and epicardial adipose tissues are highly associated with the genesis of atrial fibrillation, compared to visceral fat. Adipocytes can produce inflammatory cytokines and adipocytokines, which may enhance inflammation and oxidative ...
Lopes Renato D - - 2010
BACKGROUND: We examined warfarin use at discharge (according to Congestive heart failure, Hypertension, Age>75 years, Diabetes, Prior Stroke/transient ischemic attack score and bleeding risk) and its association with 6-month death or myocardial infarction in patients with post-acute coronary syndrome atrial fibrillation. METHODS: Of the 23,208 patients enrolled in the Platelet ...
Li Jun - - 2010
Atrial fibrillation is the most common arrhythmia encountered in clinical practice. It can cause severe complications such as congestive heart failure and stroke. However, identification of prime targets for efficient therapeutic intervention remains a challenge. In vitro rabbit heart models of ischemia-, stretch-, and cholinergic agitation-induced atrial fibrillation were developed, ...
Lee Ga Yeon - - 2010
Deglutition syncope is a situational syncope that is diagnosed only by a detailed history. We report deglutition syncope in a 62-year-old man, who had permanent atrial fibrillation. The patient had no structural or functional abnormalities of the esophagus. During syncopal attacks, his electrocardiography showed ventricular asystole that was sustained for ...
Weachter Richard - - 2010
Atrial fibrillation, the most common cardiac arrhythmia requiring treatment, has significant morbidity and mortality consequences. Pharmacologic therapy consisting of anticoagulants, AV nodal blocking agents and antiarrhythmics, remain the primary treatment. However, several nonpharmacologic therapies for the treatment of atrial fibrillation have been developed. In this review, we provide a detailed ...
Hurl? Aquilino - - 2010
BACKGROUND: Atrial ischemia, and sinus node ischemia in particular, may be involved in the pathogenesis of atrial fibrillation. In this study we compared the sinus node blood capillary content in normal hearts in sinus rhythm and in pathologic hearts with chronic atrial fibrillation and we analyzed the ultrastructural features of ...
Parkash Ratika - - 2010
PURPOSE OF REVIEW: To address the changing definition of atrial fibrillation as it reflects the major paradigm shift in the comprehension of mechanisms underlying atrial fibrillation and the possible treatment options targeting persistent atrial fibrillation. RECENT FINDINGS: Persistent atrial fibrillation exists in a spectrum that is linked to paroxysmal atrial ...
Nia Amir M - - 2010
Antiarrhythmic action of flecainide is based on sodium channel blockade. Beta(1)-adrenoceptor (beta(1)AR) activation induces sodium channel inhibition, too. The aim of the present study was to evaluate the impact of different beta(1)AR genotypes on antiarrhythmic action of flecainide in patients with structural heart disease and atrial fibrillation. In 145 subjects, ...
Wolbrette Deborah - - 2010
Dronedarone, a new Class III antiarrhythmic agent, has now been approved by the US Food and Drug Administration for use in patients with atrial fibrillation or atrial flutter. Approval came in March 2009 due to the positive results of the ATHENA trial showing significant reductions in all-cause mortality and cardiovascular ...
Samaan Rodney A - - 2010
We report the case of a 46-year-old man who developed syncope, a widened QRS interval, and depressed left ventricular systolic function during propafenone therapy for atrial fibrillation. These acute findings may have been consequent to an increased dosage of propafenone combined with heavy alcohol consumption that led to decreased metabolism ...
Multerer Sara - - 2009
We are reporting a previously healthy adolescent who developed atrial fibrillation after being tased. He has a structurally normal heart on echocardiogram, normal electrolyte level and thyroid function test results, and a urine toxicology screen positive for marijuana. The patient ultimately required external defibrillation to convert his cardiac rhythm to ...
Rauns?? Jakob - - 2009
BACKGROUND: Restrictive diastolic filling pattern is associated with increased mortality in patients with myocardial infarction and heart failure. Most studies have excluded patients with atrial fibrillation. The aim of the present study was to assess the prognostic value of a restrictive filling pattern in patients with atrial fibrillation. METHODS: Doppler ...
Chimenti Cristina - - 2010
Histologic and ultrastructural examination of atrial tissue regarding the main entities responsible of human atrial fibrillation, is reported. The pathologic changes deriving from various disorders, like degenerative, inflammatory, ischemic diseases as well as from cardiac aging and hormonal imbalance are analysed. Structural changes associated with lone atrial fibrillation and investigated ...
Patanè Salvatore - - 2012
Changing axis deviation has been reported also during atrial fibrillation or atrial flutter. Changing axis deviation has been also reported during acute myocardial infarction associated with atrial fibrillation too or at the end of atrial fibrillation during acute myocardial infarction. We present a case of revelation of changing axis deviation ...
Estrada Amara H - - 2009
Electrical cardioversion of atrial fibrillation is now commonly performed in veterinary medicine. Successful timing of the delivery of energy is important in order to avoid ventricular fibrillation. This brief communication describes how to ensure that proper energy delivery is performed.
Finsterer Josef - - 2010
As long as there is no consensus on the definition, diagnostic criteria, and pathogenesis of left ventricular hypertrabeculation (LVHT)/noncompaction misdiagnosis, overreaction, and mistreatment of this abnormality will eventually continue. When considering a therapy for patients presenting with LVHT it has to be taken into account that LVHT is not associated ...
Yan Bryan P - - 2009
Atrial fibrillation is associated with a fivefold increased risk for stroke, mostly secondary to thromboembolic events. Anticoagulation with a vitamin K antagonist is the standard medical therapy for these patients but is difficult to maintain within the therapeutic range and requires frequent monitoring and dose adjustments. Approximately 90% of thromboembolism ...
Leithäuser Boris - - 2009
Atrial fibrillation is the most common cardiac arrhythmias, and a major cause of morbidity and mortality due to cardioembolic stroke. The left atrial appendage is the major site of thrombus formation in non-valvular atrial fibrillation. Loss of atrial systole in atrial fibrillation and increased relative risk of associated stroke point ...
Latcu Decebal Gabriel - - 2009
We describe a case during which a left atrial thrombus was visualized within the left atrium attached to a circular catheter during an atrial fibrillation ablation procedure. This was managed by successful thromboaspiration using a steerable sheath, preventing a potential serious complication.
Oriente Victor - - 2009
AIM: To provide new sustainable in vivo models of ventricular fibrillation in rabbits. METHODS: New Zealand rabbits were submitted to anaesthesia and mechanical ventilation, after which ventricular fibrillation was induced through electrical stimulation (for 2min at 100Hz, with 2-ms pulses, 10mA, and 10V) directly to the heart. To that end, ...
Abuissa Hussam - - 2009
BACKGROUND: Recent studies have demonstrated that statins may possess antiarrhythmic properties in addition to their lipid-lowering effects. METHODS: Studies which reported the association of statins with the incidence of atrial arrhythmias were identified through a systematic review of published literature. RESULTS: One randomized, placebo-controlled trial of 200 patients undergoing cardiac ...
Iuliano Luigi - - 2009
Atrial fibrillation is the most common arrhythmia in clinical practice, may coexist with conditions common to both cardiovascular and noncardiovascular diseases and is associated with considerable morbidity and mortality. Atrial fibrillation is often asymptomatic and diagnosed only when it has caused a potentially serious complication, such as an ischemic stroke. ...
Ghanbari Hamid - - 2009
Atrial fibrillation remains the most common arrhythmia in the USA and is associated with an increased risk for stroke, congestive heart failure and overall mortality. There has been a tremendous advance in the field of catheter ablation of atrial fibrillation that has resulted in better outcomes for patients. The approach ...
Patel Chinmay - - 2009
Amiodarone is the most effective antiarrhythmic drug for maintaining sinus rhythm for patients with atrial fibrillation. Extra-cardiac side effects have been a limiting factor, especially during chronic use, and may offset its benefits. Dronedarone is a noniodinated benzofuran derivative of amiodarone that has been developed for the treatment of atrial ...
Camaro C - - 2009
A 66-year-old female was referred for primary coronary intervention because of acute inferior STelevation myocardial infarction. Electrocardiography also showed atrial fibrillation. Coronary angiography showed a distal occlusion of the right coronary artery. Two different wires did not pass the occlusion, but dislodged the apparent thrombus more distally. No abnormalities were ...
Cui Yong-qiang - - 2010
OBJECTIVE: We sought to evaluate the feasibility and efficacy of a new type of video-assisted minimally invasive surgery for patients with atrial fibrillation. METHODS: Between December 2006 and February 2008, 81 patients with lone atrial fibrillation (49 with paroxysmal, 17 with persistent, and 15 with long-standing persistent atrial fibrillation) underwent ...
Anselmi Amedeo - - 2009
Atrial fibrillation after cardiac operations is a source of morbidity and resource consumption. This systematic review of literature analyzes the current evidence on its pathophysiologic link with the systemic inflammatory response elicited by surgery and cardiopulmonary bypass. Meta-analysis of randomized studies on the effect of off-pump surgery or statin pre-treatment ...
Smit Marcelle D - - 2009
Failure of current pharmacological therapy for atrial fibrillation in maintaining sinus rhythm may be due to structural atrial remodeling caused by inflammation and fibrosis. Upstream therapy that interferes in the structural remodeling process may be effective in maintaining sinus rhythm. This article reviews upstream therapy in atrial fibrillation. Various prospective ...
Singh Bramah - - 2009
Atrial fibrillation is now the most common arrhythmia in clinical practice. Recent understanding of the abnormalities in ion flow that underlie atrial fibrillation has led to the search for new treatment options with improved efficacy and tolerability. The purpose of this article is to review the role of ion channels ...
Liakopoulos Oliver J - - 2009
OBJECTIVE: To determine the strength of evidence of preoperative statin therapy for prevention of atrial fibrillation after cardiac surgery. METHODS: A meta-analysis was performed of randomized controlled trials and observational trials reporting the impact of preoperative statin therapy on the incidence of any type and new-onset atrial fibrillation after cardiac ...
- - 2009
Most atrial fibrillation is asymptomatic. In patients with implanted pacemakers and defibrillators, accurate documentation of asymptomatic episodes provides the opportunity to better understand atrial fibrillation burden and its clinical consequences. The Registry of Atrial Tachycardia and Atrial Fibrillation Episodes in the cardiac rhythm management device population (RATE) is designed to ...
1 2 3 4 5 6 7 8 9 10 >