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Kwak Jae Gun - - 2009
BACKGROUND: Arrhythmia is detrimental to Fontan hemodynamics. Clinical outcomes among Fontan patients who underwent antiarrhythmic treatment were retrospectively reviewed. METHODS: From January 1996 to January 2007, 182 patients underwent a Fontan procedure, including Fontan conversion. Thirty-nine of the 182 patients showed various arrhythmias pre- or post-Fontan operations, and were treated ...
Kleemann Thomas - - 2009
BACKGROUND: The aim of this study was to investigate the value of transesophageal echocardiography (TEE)-guided cardioversion (CV) to prevent thromboembolic complications in patients with short-term atrial fibrillation (AF) < 48 hours in duration. METHODS: This single-center, observational study comprised 366 consecutive, unselected patients with short-term AF < 48 hours in ...
Ozyilmaz Isa - - 2009
We studied the duration and dispersion of the P wave in patients after a Senning operation, assessing its value in detecting the risk of atrial tachycardias.We measured the duration and dispersion of the wave in surface 12 lead electrocardiograms obtained from 18 patients with sinus rhythm, having a mean age ...
Yahia Abutaher M - - 2009
BACKGROUND: Left atrial thrombus (LAT) is frequently present in patients with cerebral ischemic events (CIE) who are in atrial fibrillation. The prevalence and predictor of LAT in patients who are in sinus rhythm (SR) is unclear. OBJECTIVE: To determine the prevalence and identify predictors of LAT formation in patients with ...
Nair Chandra K - - 2009
The incidence of cerebrovascular events (CVEs) was investigated in 95 consecutive patients with atrial fibrillation (AF) with left atrial thrombus (LAT) diagnosed by transesophageal echocardiography (TEE) and in 131 age- and sex-matched AF patients without LAT. Compared with patients without LAT, patients with LAT had a larger left atrial diameter ...
Fitzmaurice David - - 2009
Atrial fibrillation is an independent risk factor for stroke and is also associated with increased mortality above the age of 65 in both males and females. Various factors increase the stroke risk, with the most widely used risk assessment tool being the CHADS2 score which incorporates, heart failure, hypertension, age, ...
Wells Ronald - - 2009
BACKGROUND: Very little is known about use of the class III antiarrhythmic dofetilide in patients with congenital heart disease (CHD). METHODS: A multicenter retrospective review of experience with dofetilide in CHD patients was undertaken. RESULTS: Twenty adults with CHD and refractory atrial arrhythmias were treated with dofetilide at four institutions ...
Del Greco Maurizio - - 2009
We describe a case report of a patient affected by drug refractory persistent atrial fibrillation and dextrocardia, who underwent an ablation procedure using an electroanatomic mapping system.
Maltagliati Anna - - 2009
OBJECTIVES: Transesophageal echocardiography (TEE)-guided cardioversion has been demonstrated to be well tolerated in patients with atrial fibrillation. Guidelines do not suggest whether patients with severe spontaneous echocontrast (SEC) and sludge can be safely submitted to cardioversion. In our observational study, we analyzed the prevalence of SEC in patients with atrial ...
Sobieraj-Teague Magdalena - - 2009
Atrial fibrillation is already the most common clinically significant cardiac arrhythmia and a common cause of stroke. Vitamin K antagonists are very effective for the prevention of cardioembolic stroke but have numerous limitations that limit their uptake in eligible patients with AF and reduce their effectiveness in treated patients. Multiple ...
Vazquez Eduardo - - 2009
Despite the importance of cardiovascular disease in dialysis patients, the frequency of atrial fibrillation in incident dialysis patients has not been determined. We analyzed the prevalence of atrial fibrillation in patients starting dialysis over a 4-year period, its occurrence over the course of dialysis, and its influence on ischemic stroke ...
Bronzetti Gabriele - - 2011
Atrial fibrillation (AF) after transcatheter closure of patent foramen ovale (PFO) is not a rare complication. However little is known about the effect of atrial septal device implantation on the occurrence of this arrhythmia. The aim of this study was to evaluate the occurrence of AF in two groups of ...
Rastogi Namrata - - 2009
The Amplatzer septal occluder (ASO) is used for transcatheter closure of atrial septal defects (ASDs). This study aimed to determine the factors influencing successful closure with the ASO. A retrospective analysis of 69 patients who underwent transcatheter ASD occlusion between 2003 and 2007 was performed. The ASO was successfully implanted ...
Sakabe K - - 2009
OBJECTIVE: To determine prospectively whether interatrial dyssynchrony detected by tissue Doppler imaging (TDI) is useful for predicting the progression to chronic atrial fibrillation (CAF) in patients with non-valvular paroxysmal AF (PAF). METHODS: Thirty-seven patients with non-valvular PAF were prospectively followed after echocardiography. The interval of time from initiation of the ...
Harada Masahide - - 2009
BACKGROUND: A functional line of conduction block is often observed in the sinus venosa (SV) during typical atrial flutter (AFL). Little information, however, is available as to the action potential characteristics in the SV with respect to the functional block. METHODS AND RESULTS: Monophasic action potentials (MAPs) from the SV ...
Jategaonkar Smita - - 2009
BACKGROUND: Percutaneous closure of atrial septal defects is well established in children and adults and has been found to improve symptoms and positively influence right-heart remodeling. The aim of this study was to evaluate the efficacy and long-term outcome in adult patients older than 60 years. METHODS AND RESULTS: The ...
Gunes Yilmaz - - 2009
BACKGROUND: P-wave duration and dispersion (PWD) have been shown to be noninvasive predictors for development of atrial fibrillation. Thus, it may be possible to attenuate atrial fibrillation risk through normalization of P-wave duration and dispersion. Trimetazidine, a metabolic modulator, has been reported to improve cardiac function in heart failure (HF) ...
Martinez Matthew W - - 2009
OBJECTIVES: The aim of this study was to determine whether multidetector computed tomography (MDCT) is able to exclude left atrial appendage (LAA) thrombus in patients referred for catheter ablation of atrial fibrillation (CAAF). BACKGROUND: MDCT is commonly used to render pulmonary vein and left atrial anatomy before CAAF. Transesophageal echocardiography ...
Yasuoka Yoshinori - - 2009
This study investigated the relationship between right atrial SEC (RA-SEC) and silent pulmonary embolism (PE) in patients with nonvalvular atrial fibrillation (NVAF). Spontaneous echo contrast (SEC) within the cardiac chambers is associated with an increased risk of thromboembolism. However, most studies have examined the relationship between left atrial SEC and ...
Buksa Marko - - 2009
INTRODUCTION: Atrial myxomas are the most frequent benign tumors of the heart. Left atrial myxomas are about 3-4 times more frequent then right. Clinical findings reveal atrioventricular obstruction symptoms and signs, symptoms and signs of peripheral arteries or pulmonary artery embolisation and/or nonspecific symptoms. AIM: Review of atrial myxomas diagnosed ...
Müller Axel - - 2009
In order to test a newly developed algorithm for detecting atrial fibrillation in clinical practice, we carried out parallel recordings using a conventional 24-h electrocardiogram (ECG) monitor and telemonitoring with an external loop recorder. Recordings were made in 24 patients with persistent atrial fibrillation and in another 24 patients with ...
Das Subir Kumar - - 2009
Chronic pancreatitis, an irreversible inflammatory disease of the pancreas, is associated with the replacement of the destroyed parenchyma by extended development of fibrosis. Despite marked progress in diagnostic tools, no consensus has been reached in diagnosis of chronic pancreatitis. In this study we examined the hematological and biochemical parameters among ...
Diaz J J UNEFM, Coro, Venezuela. - - 2009
Electric cardioversion is the most effective therapy for restoring sinus rhythm in patient with atrial fibrillation (AF), however, there is not a guiding criteria for advising on when and in whom it will be successful. The objective of this study was to employ frequency analysis on the surface electrocardiogram (ECG) ...
Velik-Salchner Corinna - - 2008
BACKGROUND: We determined whether whole blood impedance aggregometry using the Multiplate detects the effects of antiplatelet drugs as reliably as does classical light transmission aggregometry (LTA) or the platelet function analyzer PFA-100(R). METHODS: Multiplate (M) assays, measuring changes in electrical resistance as aggregation units over time (AU*min), and LTA assays ...
Peichl Petr - - 2009
AIMS: Our goal was to analyse the utility of intracardiac echocardiography (ICE) for navigation and ablation of atrial tachycardias (ATs) after surgical correction of congenital heart disease (CHD). METHODS AND RESULTS: Catheter ablation of ATs was performed in seven patients (one woman, mean age 21 +/- 6 years) after correction ...
Chang Shih-Lin - - 2009
INTRODUCTION: Atrial tachycardia (AT), including focal and reentrant AT, can occur after circumferential pulmonary vein isolation (CPVI). The aim of this study was to investigate the electrophysiological characteristics of induced AT and its clinical outcome. METHODS AND RESULTS: In our series of 160 patients with paroxysmal atrial fibrillation (AF), 45 ...
Chrysostomou Constantinos - - 2008
BACKGROUND: Atrial and junctional tachyarrhythmias occur frequently during the perioperative period for congenital cardiac surgery and can be a cause of increased morbidity and mortality. These rhythm disturbances that may be well tolerated in a normal heart can cause significant hemodynamic instability in patients with congenital heart defects, particularly during ...
Pytkowski Mariusz - - 2008
AIMS: A novel electrophysiological technique, paced electrogram fractionation analysis (PEFA), which measures activation delay of stimulated beats through the myocardium, has shown that long delays in activation are strongly associated with sudden cardiac death due to ventricular fibrillation. The aim of our study was to determine whether there are differences ...
Miyazaki Aya - - 2008
BACKGROUND: Sotalol is a class III antiarrhythmic agent that is highly effective for tachyarrhythmias in adults, but its efficacy in patients with congenital heart disease (CHD) remains unclear. The purpose of this study was to assess the efficacy and safety of sotalol for refractory tachyarrhythmias in patients with CHD. METHODS ...
Kleemann Thomas - - 2009
AIMS: To evaluate the prevalence and clinical impact of left atrial (LA) thrombus and dense spontaneous echo contrast (SEC) in patients with atrial fibrillation (AF) and low CHADS(2) score undergoing cardioversion. METHODS AND RESULTS: A total of 295 consecutive patients with non-valvular AF and a CHADS(2) score of 0 or ...
Talwar Sachin - - 2008
We studied the anatomic characteristics and results of surgery in 27 patients with total anomalous pulmonary venous drainage who were 15 years or older between January 1997 and July 2007. Mean age was 19.7+/-11.6 years (15-48 years). The anatomic subtypes were supracardiac (n=15), cardiac (n=7), and mixed (n=5). Fourteen patients ...
Fang Fang - - 2008
BACKGROUND: There is a lack of echocardiographic studies to address the detection of atrial masses and abnormal venous connections in patients with secundum atrial septal defect (ASD) repair. This study sought to demonstrate that with proper technique, these unusual conditions could be diagnosed confidently by transthoracic echocardiography. METHOD: We performed ...
Haas Nikolaus Alexander - - 2008
Intravenous (IV) amiodarone hydrochloride has proven to be a very effective antiarrhythmic treatment option for a variety of ventricular and supraventricular arrhythmias in adults and paediatric patients. Amiodarone is known to have significant side effects and these especially include profound hypotension in animals and adults, vasodilatation, negative inotropic effects, and ...
Wissner Erik - - 2009
OBJECTIVE: In patients referred for catheter ablation for the treatment of atrial fibrillation, multislice computed tomography angiography of the thorax is routinely performed to assess pulmonary vein anatomy. We sought to investigate the incidence of unexpected cardiac and extracardiac findings in this select patient population and to establish how these ...
Rao Sri O - - 2009
Atrial tachyarrhythmias are a chronic long-term hazard in patients with congenital heart disease (CHD). These arrhythmias contribute to ventricular dysfunction, heart failure can contribute to sudden death. We performed a prospective study of oral sotalol for the conversion of atrial tachyarrhythmias in adults and adolescents with congenital heart disease and ...
Alyan Omer - - 2009
BACKGROUND: High sensitive C-Reactive Protein (hs-CRP) predicts morbidity and mortality in various clinical conditions. The effect of hsCRP on progression of chronic rheumatic mitral stenosis (CRMS) has not been demonstrated. METHODS AND RESULTS: A total of 132 patients with CRMS (95 female, 37 male) and 145 control (100 female, 45 ...
Berger Gilead - - 2008
BACKGROUND: Glycoproteins are responsible for the rheological properties of the mucus. Changes in mucus viscosity may interfere with mucociliary clearance, leading to stasis and aggravation of chronic rhinosinusitis (CRS). The purpose of this study was to assess the composition and concentration of various sinus mucosa glycoproteins in normal and chronically ...
Kanowitz Seth J - - 2008
BACKGROUND: Nebulized budesonide (Pulmicort Respules, AstraZeneca, Wilmington, DE) provides control of respiratory tract inflammation in asthmatic patients. The Mucosal Atomization Device (MAD; Wolfe-Tory Medical, Salt Lake City, UT) is a novel sinonasal atomization device. METHODS: Uncontrolled case series of postoperative patients with chronic rhinosinusitis (CRS) who received budesonide via MAD ...
Fratz Sohrab - - 2008
BACKGROUND: Patients after atrial switch operation for transposition of the great arteries have limited exercise performance. Rigid atrial baffles may cause a relative preload reduction. Previous studies have had suboptimal control groups, which ideally should consist of patients with congenitally corrected transposition of the great arteries (ccTGA) without previous heart ...
Bruce Charles J - - 2008
INTRODUCTION: We reviewed our experience in managing intracardiac ultrasound-detected left atrial thrombus and analyzed the impact of the timing of heparin therapy on thrombus incidence. METHODS AND RESULTS: We identified 508 patients undergoing ablation procedures for atrial fibrillation in which intracardiac ultrasound was used. All patients received unfractionated heparin during ...
Vaseghi Marmar - - 2008
OBJECTIVES: The purpose of this study was to define the incidence, mechanisms, and management, including catheter ablation, of supraventricular tachycardia (SVT) in a large series of patients after orthotopic heart transplantation (OHT). BACKGROUND: Supraventricular arrhythmias are frequently encountered after OHT, but their characteristics in this population have not been well ...
Susuki Seiko - - 2008
There is accumulating evidence of the involvement of biological metal imbalance in the progression of amyloid diseases such as Alzheimer's, Parkinson's and prion diseases. However, the mineral status in patients affected with familial amyloidotic polyneuropathy (FAP) has not been investigated. It is the aim of this study to determine the ...
Li Jianhai - - 2008
OBJECTIVE: To determine the effect of automatic vertical positioning (AVP) software on radiation dose reduction in multidetector row computed tomography of the chest. MATERIALS AND METHODS: Two hundred forty-three consecutive patients (mean age, 54; range, 20-93 years), who underwent 64-slice multidetector row computed tomography of the chest from November 2005 ...
Corell Pernille - - 2008
OBJECTIVES: The objective was to evaluate the prevalence of paroxysmal atrial fibrillation (PAF) in patients with heart failure (HF) due to systolic dysfunction. DESIGN: We included 79 patients (age 68 years, LVEF 30%) with HF and sinus-rhythm (SR) referred to a HF outpatient clinic. A 48 hours Holter ECG and ...
Satomi Kazuhiro - - 2008
We investigated the presence and clinical outcome of inducibility of atrial tachyarrhythmias after circumferential pulmonary vein isolation (CPVI) in patients with paroxysmal atrial fibrillation (PAF). Sixty patients with symptomatic PAF underwent CPVI guided by 3D mapping and double Lasso technique. After achievement of CPVI, the induction was performed. The left ...
Rillig Andreas - - 2008
INTRODUCTION: Pulmonary vein isolation (PVI) is widely practiced for treating atrial fibrillation. Transseptal access is necessary with one or even more transseptal sheaths to perform PVI. METHODS: In this prospective study, 31 patients were examined with transesophageal echocardiography before, immediately after and in a 3-, 6- and 12-month follow-up period ...
Czabanka Marcus - - 2008
BACKGROUND AND PURPOSE: Increased cortical microvascularization has been proposed to be a Moyamoya disease (MMD)-specific characteristic. It was the aim of our study to characterize the anatomic pattern and microhemodynamics of cortical microvascularization in MMD. METHODS: Intraoperative indocyanine green videoangiography was performed in 16 adult MMD patients, 15 patients with ...
Hindle J V - - 2008
Amiodarone is recommended for the cardioversion of atrial fibrillation and prevention of paroxysmal atrial fibrillation in patients with structural heart disease, coronary artery disease or left ventricular dysfunction. It has well-recognised side-effects on the skin, lungs, liver, thyroid and eyes. Neurological side-effects, including ataxia and neuropathy, also occur, and may ...
Patel S V - - 2008
The 2006 American Heart Association guidelines for management of patients with atrial fibrillation state "For patients with no identifiable thrombus in the left atrium (LA) or left atrial appendage (LAA), cardioversion (CV) is reasonable immediately after anticoagulation with unfractionated heparin. Thereafter, continuation of oral anticoagulation is reasonable for an anticoagulation ...
Katritsis Demosthenes G - - 2008
Catheter ablation is the treatment of choice for certain patients with drug-refractory paroxysmal or even persistent atrial fibrillation. Several techniques are used with a similar success rate of approximately 70% over 6 to 12 months of follow-up. Pulmonary vein isolation by conventional antral or electroanatomic circumferential ablation is mainly used ...
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