Search Results
Results 201 - 250 of 1347
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Patanè Salvatore - - 2008
Associated symptoms and conduction disturbances are reported during acute inferior myocardial infarction. Differentiation of right coronary artery from left circumflex artery occlusion may be difficult since both can present an electrocardiographic pattern of inferior myocardial infarction. Paroxysmal atrial fibrillation is considered a frequent complication of acute myocardial infarction and the ...
Kanei Yumiko - - 2008
Adenosine-induced atrial fibrillation has been described in the setting of treatment of supraventricular tachycardia, but has been rarely reported during adenosine infusion for pharmacologic stress testing. We present 8 patients who developed atrial fibrillation during adenosine stress testing. The incidence of this arrhythmia was 0.41% in our laboratory. Atrial fibrillation ...
Li Xuping - - 2008
Atrial fibrillation (AF) is the most commonly occurring arrhythmia in clinical practice, however, the mechanism of atrial fibrillation is not well explained. It has been considered that myocardial fibrosis plays a role in atrial fibrillation. Within the heart, this fibrosis is thought to be mediated by transforming growth factor-beta 1 ...
Dogan Sait Mesut - - 2007
OBJECTIVE: Atrial fibrillation is one of the most common arrhythmias associated with not only increased morbidity after coronary artery bypass grafting but also increased healthcare costs. Many factors are associated with atrial fibrillation onset after coronary artery bypass grafting. We prospectively examined which factors could predict atrial fibrillation after coronary ...
Badran Hala Mahfouz - - 2007
BACKGROUND: Helicobacter pyloriCagA strains could increase the risk for atrial fibrillation in patients with coronary artery disease METHODS: Serological status for H. pyloriCagA using enzyme-linked immunosorbent assay, C-reactive protein, total leucocytic count and atrial size were determined in 185 coronary artery disease patients (with and without atrial fibrillation) and 80 ...
Kern Leslie S - - 2007
Atrial fibrillation is one of the most common complications after cardiac surgery and is associated with adverse outcomes such as increased mortality, neurological problems, longer hospitalizations, and increased cost of care. Major risk factors for the development of postoperative atrial fibrillation include older age and a history of atrial fibrillation. ...
Schouchoff Barbara - - 2007
The Cox Maze procedure, a cardiac intervention that was developed by James Cox, MD, was first performed in 1988 to surgically cure atrial fibrillation. Over the years, changes in techniques of the classic maze were made, culminating in the Cox Maze III procedure, the Gold Standard. Modifications in the original ...
Mazouz B - - 2008
OBJECTIVE: Advanced age is an indication for anticoagulation in patients with atrial fibrillation though it is not clear that elderly patients have a higher prevalence of left atrial thrombus. The purpose of this study was to clarify whether advanced age represents a risk for left atrial thrombus formation irrespective of ...
Jahangir Arshad - - 2007
The long-term natural history of lone atrial fibrillation is unknown. Our objective was to determine the rate and predictors of progression from paroxysmal to permanent atrial fibrillation over 30 years and the long-term risk of heart failure, thromboembolism, and death compared with a control population. A previously characterized Olmsted County, ...
Tyszko C - - 2007
This report describes a dog with recurrent atrial fibrillation and atrial flutter associated with chronic gastritis. Although no underlying structural heart disease was apparent antemortem or on gross post-mortem examination, chronic atrial myocarditis was seen on histopathological examination. Atrial myocarditis is a recognised cause of atrial fibrillation in human beings ...
Brown Aaron M - - 2007
OBJECTIVE: We sought to determine if atrial fibrillation is associated with an increased risk for an acute coronary syndrome (ACS) among emergency department (ED) patients with chest pain syndromes. METHODS: We performed a retrospective analysis of a prospectively collected database on ED patients with chest pain by selecting patients with ...
Fengler Brian T - - 2007
Estimated to occur in 0.1% to 0.3% of the population, Wolff-Parkinson-White syndrome (WPW) is a condition where atrial impulses bypass the atrioventricular node and activate the ventricular myocardium directly via an accessory pathway. Clinical clues to the diagnosis include a young patient with previous episodes of palpitations, rapid heart rate, ...
Hornero Fernando - - 2007
OBJECTIVES: Late recurrence of atrial fibrillation frequently occurs after atrial ablation. Risk stratification for success and recurrence of the antiarrhythmic surgical procedure has not yet been established. We studied postoperative epicardial unipolar auriculograms to distinguish between high- and low-risk patients with late recurrence of atrial fibrillation. METHODS: Epicardial atrial fibrillatory ...
Hennersdorf Marcus G - - 2007
Arterial hypertension (HTN) represents one of the major causes of atrial fibrillation, a cardiac arrhythmia with high prevalence and comorbidity. The aim of this study was to investigate whether paroxysmal atrial fibrillation can be treated by the regression of left ventricular hypertrophy achieved by antihypertensive therapy. Included in the present ...
Chew Huck Chin - - 2007
The management of broad complex atrial fibrillation is complex and may be a source of morbidity and mortality if not correctly recognized and treated appropriately. We present a case series of 3 patients who were managed in our emergency department after complaints of palpitations. They presented with varying forms of ...
Sagbas Ertan - - 2007
BACKGROUND: This paper aims to evaluate the feasibility and the efficacy of a new off-pump, bilateral thoracoscopic pulmonary vein isolation technique in patients with lone atrial fibrillation. METHODS: Between April 2004 and February 2006, 26 drug-resistant and symptomatic lone atrial fibrillation patients (18 permanent, 8 paroxysmal) underwent an irrigated radiofrequency ...
Kohsaka Shun - - 2007
A 21-year-old woman was admitted for evaluation of recurrent episodes of syncope. She had several spontaneous and abrupt loss of consciousness episodes while at the emergency department, caused by sustained and nonsustained ventricular fibrillation episodes. Each episode was initiated by a certain premature ventricular complex, which remained the same in ...
Patanè Salvatore - - 2008
Rarely the ECG shows an LBBB with changing QRS morphology and changing axis deviation. The intermittent positive aspect of the neglected lead aVR indicates an intermittent right axis deviation in the presence of complete LBBB. An additional left posterior fascicular block accompanying predivisional LBBB is the possible explanation. We describe ...
Tapio Hakala - - 2007
Atrial fibrillation is the most common arrhythmia occurring after heart surgery. Its prevalence after coronary artery bypass surgery is 17-33%. Atrial fibrillation requires additional treatment, lengthens hospitalization and increases the overall expenses of cardiac surgery. Atrial fibrillation can cause hemodynamic problems, predispose to congestive heart failure and increase the risk ...
Doty John R - - 2007
OBJECTIVE: This study compares clinical results of the standard Maze III operation, a highly effective treatment for atrial fibrillation, to less complex variations of the Maze III operation utilizing unipolar and bipolar radiofrequency ablation and pulmonary vein isolation. METHODS: Records were reviewed of 377 patients who had operations for treatment ...
Fedida David - - 2007
This review summarizes the mechanistic properties and the recent experience in the development of a new antiarrhythmic agent, RSD1235 (recently named vernakalant), for the acute conversion of atrial fibrillation to sinus rhythm. Atrial fibrillation is the most common sustained cardiac arrhythmia that is observed in clinical practice and is associated ...
Leung Ki En-Ling - - 2007
We report the case of a post-menopausal female who presented two episodes of transient left ventricular apical ballooning associated with rapid atrial fibrillation within a four-month period. The clinical features of this phenomenon also known as Tako-tsubo mimic acute myocardial infarction and may be a form of catecholamine-induced neurogenic stunning. ...
Dale Krista M - - 2007
OBJECTIVE: To review the pharmacology, pharmacokinetics, clinical efficacy, and safety profile of dronedarone for the treatment of atrial fibrillation. DATA SOURCES: A literature search was conducted using the search terms dronedarone, SR 33589, atrial fibrillation, and antiarrhythmic medication in MEDLINE (1966-February 2007), International Pharmaceutical Abstracts (1970-February 2007), and EMBASE (1990-February ...
Baker William L - - 2007
OBJECTIVE: To review the available literature addressing preventive strategies of post-cardiothoracic surgery atrial fibrillation (post-CTS atrial fibrillation). DATA SOURCES: Pertinent articles related to the etiology, risk factors, and preventive strategies were identified through a MEDLINE search (1966-March 2007) using the MeSH terms atrial fibrillation, cardiothoracic surgery, cardiac surgery, etiology, neurohormonal, ...
Karaca Ilgin - - 2007
OBJECTIVES: Thrombo-embolic events are the important cause of mortality and morbidity in patients with chronic atrial fibrillation (CAF). The origin of thromboembolism is often the left atrial appendix (LAA). Flow rate velocity (FRV) inside the LAA is the major determinant of thrombus formation. The aim of our study was to ...
Shemin Richard J - - 2007
Atrial fibrillation is the most common sustained cardiac rhythm disturbance, affecting an estimated 2.5 million people in the United States. Atrial fibrillation may occur with or without structural heart disease. The medical and surgical literature has seen an exponential growth in reports of ablation techniques and the Cox-Maze procedure to ...
Tafreshi Mohammad J - - 2007
Arrhythmias are a major cause of morbidity and mortality, and atrial fibrillation is the most widespread disorder of cardiac rhythm. Amiodarone is an effective antiarrhythmic agent that has been in clinical use for about 20 years. It is effective for multiple types of arrhythmias, including atrial fibrillation, and has a ...
Stulak John M - - 2007
OBJECTIVE: Although radiofrequency ablation is increasingly used to create the atrial lesions of the Cox maze procedure, its effectiveness in ablating atrial fibrillation compared with the standard cut-and-sew method is not known. We compare the freedom from atrial fibrillation in patients undergoing both methods with identical lesion sets. METHODS: Radiofrequency ...
Medi Caroline - - 2007
The incidence and prevalence of atrial fibrillation are increasing because of both population ageing and an age-adjusted increase in incidence of atrial fibrillation. Deciding between a rate control or rhythm control approach depends on patient age and comorbidities, symptoms and haemodynamic consequences of the arrhythmia, but either approach is acceptable. ...
Chen Yen-Yuan YY Department of Family Medicine, National Taiwan University Hospital, Taipei, Taiwan, - - 2007
Amiodarone, a class III antiarrhythmic drug, is one of the most effective drugs used in the treatment of ventricular and paroxysmal supraventricular tachyarrhythmia. Adverse effects of amiodarone including pulmonary toxicity, hepatotoxicity, aggravation of arrhythmia, and thyroid diseases are well understood. A 66-year old woman with acute pancreatitis was admitted to ...
Garg Ravi Kumar - - 2007
Atrial fibrillation is a common entity and can be associated with thromboembolic complications in as many as 18% of patients per year. Anticoagulation is the mainstay of therapy to reduce the risk of stroke and peripheral embolization. A coronary thromboembolus with subsequent myocardial infarction, however, is rare. We describe the ...
Sherman David G - - 2007
Atrial fibrillation is a common arrhythmia associated with increased risk for embolic stroke. Restoration of sinus rhythm in patients with atrial fibrillation is a logical strategy to prevent the cardiovascular and thromboembolic complications of this dysrhythmia. The most common strategy for restoration of sinus rhythm is pharmacological antiarrhythmic therapy with ...
Hayn Dieter - - 2007
Atrial fibrillation is the most common cardiac arrhythmia, affecting more than two million people in the US. Several therapies for patients with atrial fibrillation are available, but methods to help physicians select the optimal therapy for an individual patient are still required. Knowledge of whether a patient with a normal ...
Bilkoo Pareena - - 2007
A 55-year-old Hispanic male found unresponsive at home was brought to our emergency department. The patient was found to have rapid atrial fibrillation and acute inferior ST-elevation myocardial infarction on electrocardiogram. Cardiac catheterization failed to reveal any significant stenotic lesions in the coronary arteries. Initial laboratory studies revealed leukocytosis, hypokalemia, ...
Amar David - - 2007
PURPOSE OF REVIEW: Rapid atrial arrhythmias affect the elderly who undergo cardiac or noncardiac operations annually and have been associated with prolonged hospital stays. This article focuses on new issues leading to the improved understanding of the pathophysiology and mechanisms of postoperative atrial arrhythmias. RECENT FINDINGS: New risk factors and ...
Blanchard Lawrence - - 2007
PURPOSE OF REVIEW: Atrial fibrillation is the most common arrhythmia following cardiac surgery, having both serious medical and socioeconomic consequences. Although there are established antiarrhythmic agents for preventing and treating postoperative atrial fibrillation, these therapies are neither 100% reliable, nor without risks and limitations. Thus, there remains a strong need ...
Bradley D J - - 2007
Atrial fibrillation is an abnormal heart rhythm affecting the upper chambers of the heart in which uncoordinated electrical depolarizations lead to ineffective contractions. Approximately five million patients in the US have atrial fibrillation, and this number is expected to double to 10 million over the next 30 years. Advancing age ...
Kim Hyun-Ah - - 2007
BACKGROUND: Acute peripheral vestibular syndrome (APVS) is an idiopathic peripheral vestibulopathy characterized by prolonged vertigo (over 24 h), nausea, vomiting, and postural instability. There has been no previous report of APVS presumably of a vascular cause. OBJECTIVES: To describe APVS presumably resulting from a vascular disturbance with embolic cerebral infarction. ...
Sridhar, Arun
Cardiovascular disease (CVD) is a major cause of mortality and morbidity worldwide. Hypertension, Heart Failure and Atrial Fibrillation are the most common diagnosis, hospitalization cause and the sustained cardiac arrhythmia respectively in the US. Sudden cardiac death is the one of the most common causes of cardiovascular mortality after myocardial ...
Hemels, Martin Eric Willem
Atrial fibrillation is a major health problem. It is the most common sustained cardiac arrhythmia and the prevalence of atrial fibrillation continues to rise in Western nations. In The Netherlands life time risk of atrial fibrillation is roughly 1 in 4 for persons >40 years old, and the currently estimated ...
Fabbian Fabio - - 2007
Light chain deposition disease (LCDD) can involve the heart and cause severe heart failure. Cardiac involvement is usually described in the advanced stages of the disease. We report the case of a woman in whom restrictive cardiomyopathy due to LCDD presented with paroxysmal atrial fibrillation. A 55-year-old woman was admitted ...
Turk Tamer - - 2007
BACKGROUND: Atrial fibrillation is still a frequent complication that increases morbidity after coronary artery bypass grafting. This prospective randomized study is designed to define efficacy of postoperative amiodarone prophylaxis in preventing atrial fibrillation after off-pump coronary artery bypass grafting. METHODS: One hundred forty-four patients who underwent elective off-pump coronary artery ...
Benedetto Umberto - - 2007
BACKGROUND: Atrial systolic dysfunction in patients with coronary artery disease might influence the development of atrial fibrillation after coronary artery bypass grafting (CABG). Tissue Doppler imaging of the mitral annulus during atrial systole has proved to quantify, accurately, left atrial contractile function. Therefore, the aim of the present study was ...
Bakir Ihsan - - 2007
Atrial fibrillation is the most common rhythm disturbance in clinical practice. It is a major source of stroke and morbidity. Although the Cox maze procedure effectively eliminates atrial fibrillation in most patients, the procedure has not found widespread application. As a consequence, new operations that use alternative sources of energy, ...
Gillinov A Marc - - 2007
Atrial fibrillation is present in approximately 35% of patients presenting for mitral valve surgery and in 1 to 6% of adult patients undergoing other forms of cardiac surgery. If left untreated, atrial fibrillation is associated with increased morbidity, and, in some subgroups, increased mortality. Therefore, concomitant management of the arrhythmia ...
Tongers Joern - - 2007
BACKGROUND: In patients with severe pulmonary hypertension (PH), right ventricular function is a main determinant of clinical stability and outcome. Supraventricular tachyarrhythmias (SVTs) may compromise cardiac function and threaten prognosis in patients with PH, but the incidence and clinical relevance of SVTs in PH and chronic right ventricular failure have ...
Mitchell L Brent - - 2007
PURPOSE OF REVIEW: Atrial fibrillation after cardiac surgery is associated with adverse outcomes and increased costs. Accordingly, therapy should be provided to prevent postoperative atrial fibrillation. The evaluation of therapies to do so is an area of active investigation with significant recent advances. The purpose of this review is to ...
Kikillus Nicole - - 2007
Although atrial fibrillation is the most common sustained cardiac rhythm disturbance, it remains under-diagnosed. One of the most drastic complications is embolism, and strokes in particular. Patients having atrial fibrillation must be identified in order to reduce the number of strokes. The algorithm presented detects atrial fibrillation, even without it ...
Lee Geraldine - - 2007
AIMS: The aim of this paper is to review the current literature describing the aetiology of atrial fibrillation and to examine the evidence for rate reversion and rate control. BACKGROUND: Atrial fibrillation is the most commonly seen arrhythmia within the clinical setting. Treatment depends on severity of symptoms, which are ...
Aksnes Tonje A - - 2007
Atrial fibrillation is the most frequent occurring sustained cardiac arrhythmia and it is related to common cardiac disease conditions. Hypertension increases the risk of atrial fibrillation by approximately two-fold and, because of the high prevalence of hypertension, it accounts for more cases of atrial fibrillation than any other risk factor. ...
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