Search Results
Results 201 - 250 of 1175
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Marinakis Andreas - - 2007
BACKGROUND: The interest in transcatheter ventricular septal defect (VSD) closure is continuously growing. Therefore, we report our experience in perimembranous (Pm) and postinfarction (Pi) VSD closure. METHODS: All patients, older than 16 years, were selected from a data base, in which Pm and Pi VSDs were registered. The patients' files ...
Uemura Hideki - - 2007
In 3 patients previously undergoing one and one-half ventricular repair, right ventricular dysfunction progressed for more than 10 years. Their clinical features resembled those seen in patients undergoing the atriopulmonary Fontan procedure, and reoperation was carried out for conversion to total cavopulmonary connection. Hemodynamics improved subsequent to the circulatory renewal. ...
Hoyer Andrew W - - 2007
BACKGROUND: The safety and efficacy of ibutilide in the cardioversion of atrial flutter and atrial fibrillation in children and in patients with congenital heart disease (CHD) is unknown. METHODS: Data from 19 patients (age 6 months to 34 years, median 16 years) who received ibutilide for atrial flutter or atrial ...
Psaltis Alkis J - - 2007
OBJECTIVES: The recent detection of bacterial biofilms on the sinus mucosa of patients with chronic rhinosinusitis (CRS) has implicated biofilms in the pathogenesis of this condition. Electron microscopy has been the main modality used to document the presence of biofilms on sinus tissue, however, it has inherent problems associated with ...
Atiq Mehnaz - - 2007
Transcatheter closure of patent ductus arteriosus (PDA) has been in place for more than three decades. We share our experience with the newer devices. PATIENTS AND METHODS: Ninety-eight patients, with a mean age of 64 +/- 11 months (range 7 months to 54 years), underwent attempted transcatheter closure of PDA. ...
Engelfriet Peter - - 2008
BACKGROUND: There is a lack of evidence regarding treatment options for adults with an atrial septal defect (ASD) who present with an open defect or with sequelae after closure of the defect. The aim of this study was to describe the clinical characteristics and treatment of a large cohort of ...
Rader Valerie J - - 2007
We sought to determine the relationship between clinical risk factors for systemic thromboembolism in patients with atrial fibrillation and the prevalence of left atrial (LA) spontaneous echocontrast (SEC) and LA thrombus (LAT). Atrial fibrillation is associated with an increased risk of systemic thromboembolism. LA SEC and LAT also predict thromboembolic ...
Alegret Josep M - - 2007
AIMS: We sought predictors of successful electrical cardioversion (ECV) and the effect of biphasic energy in patients considered candidates for rhythm control. METHODS AND RESULTS: The patients were drawn from a registry, which included prospectively 1355 consecutive patients with persistent atrial fibrillation who underwent ECV in 96 Spanish hospitals. Successful ...
Fazio G - - 2007
AIM: Recent scientific evidence has emphasized the possible role of inhibitors of the renin-angiotensin system in preventing arrhythmic relapses in patients with paroxysmal or persistent atrial fibrillation and co-existing left ventricular hypertrophy or left ventricular dysfunction. METHODS: In order to verify the effects of these drugs on patients with a ...
Katircibasi M T - - 2007
BACKGROUND: P-wave duration is defined as the time measured from the onset to the offset of the P-wave in surface electrocardiogram (ECG). Prolonged P wave duration and increased P wave dispersion (PWD) have been reported to carry an increased risk for atrial fibrillation. AIM: Our aim was to evaluate the ...
Mehall John R - - 2007
BACKGROUND: Symptoms are widely used as a means of assessment and follow-up of patients with atrial fibrillation. This study assessed the correlation between symptoms and cardiac rhythm in patients being evaluated for operative therapy for atrial fibrillation. METHODS: Seven days of preoperative continuous outpatient home electrocardiographic monitoring was performed on ...
Halawa Ahmad - - 2007
Marfan's syndrome is a common connective tissue disease with different musculoskeletal, ophthalmic and cardiac manifestations. Marfan's patients carry increased risk for cardiac arrhythmias. Only three cases of atrial flutter in Marfan's patients are described in the literature. We report a fourth case of a young Marfan's patient who presents with ...
Sarnik Stanislav - - 2007
BACKGROUND: Laser Doppler fluxmetry (LDF) is an extraordinary sensitive noninvasive method of examination. It can be used for monitoring changes in the cutaneous peripheral microcirculation(15). It uses a monochromatic low-energy laser beam. This beam penetrates the tissue and, depending on individual tissue penetration, it is reflected, recorded by a sensitive ...
Janion Marianna - - 2007
AIMS: Atrial septal aneurysm (ASA) may be involved in the genesis of atrial arrhythmias as a consequence of disturbances in the propagation of depolarization, which may be easily assessed by P wave dispersion measurement. The aim of this study is to assess the dispersion of P wave duration and P ...
Fiala Martin - - 2007
INTRODUCTION: Atrial macroreentry tachycardia (AMRT) in patients without obvious structural heart disease or previous surgical or catheter intervention has not been characterized in detail. METHODS AND RESULTS: Electroanatomical mapping and ablation of right or left AMRT were performed in 33 patients. Right atrial central conduction obstacle was formed by an ...
Tekin Yildirim - - 2007
BACKGROUND: The wall of patent ductus arteriosus (PDA) in adults is usually fragile and may be associated with calcification. METHOD: We present a 43-year-old female patient who underwent successful ductal closure operation under cardiopulmonary bypass (CPB) via a transpulmonary route. RESULTS: The operation was uneventful and the patient was discharged ...
Magee Mitchell J - - 2007
BACKGROUND: Atrial fibrillation is a costly complication occurring in 15% to 40% of patients after coronary artery bypass grafting (CABG). Aggressive prophylactic treatment should be directed toward and limited to selected high-risk patients. Utilizing perioperative risk factors, we sought to develop an algorithm to predict the relative risk of developing ...
Lukac Peter - - 2007
BACKGROUND: Atrial flutter is a serious problem after surgery for congenital heart disease. METHODS: We performed an intraoperative linear one-minute cryolesion between a right atriotomy and the tricuspid annulus to prevent atrial flutter in 17 consecutive adult patients undergoing surgery for congenital heart disease. Coronary angiography and electrophysiology study using ...
Yoshida Naoyasu - - 2007
This study aimed to validate left atrial (LA) wall contraction velocity during atrial contraction (LAWV) in assessing LA function in 22 patients with paroxysmal atrial fibrillation. LAWV at the posterobasal LA wall was measured by transthoracic tissue Doppler echocardiography. LAWV was lower in patients with paroxysmal atrial fibrillation than in ...
Wang Yun-Long - - 2007
INTRODUCTION: This study sought to investigate electrophysiologic characteristics and radiofrequency ablation (RFA) in patients with focal atrial tachycardia (AT) arising from the left atrial appendage (LAA). METHODS: This study included seven patients undergoing RFA with focal AT. Activation mapping was performed during tachycardia to identify an earlier activation in the ...
Dagres Nikolaos - - 2007
AIMS: Catheter ablation is a treatment of first choice for many arrhythmias. Data in geriatric patients are still limited, mostly focusing on single arrhythmia types. The aim of the study was to investigate characteristics of contemporary ablation therapy in the very elderly, focusing on patient characteristics, arrhythmia spectrum, and outcome ...
Chinitz Jason S - - 2007
BACKGROUND: Previous studies have shown that the incidence of atrial fibrillation after atrial flutter ablation is approximately 20% among patients presenting with typical atrial flutter and no history of fibrillation. However, studies involving this population have been small, with follow-up typically less than 2 years. OBJECTIVE: The purpose of this ...
Mutlak Diab - - 2007
BACKGROUND: The cause of tricuspid valve (TV) regurgitation (TR) occasionally remains unclear. The objectives of our study were to define the causal spectrum of severe TR diagnosed by echocardiography at a tertiary medical center and to assess the relative frequency and determine the clinical and echocardiographic characteristics of TR without ...
Sharifi Mohsen - - 2007
PURPOSE: Transesophageal echocardiography has emerged as an accepted approach before D.C. cardioversion for atrial fibrillation. The frequency of atrial thrombi detected on transesophageal echocardiography has varied from 7% to 23%. Many patients undergoing transesophageal echocardiography have had a previous transthoracic echocardiogram. Though transthoracic echocardiography has a low yield for the ...
Sick Peter B - - 2007
OBJECTIVES: This study assessed the feasibility of implanting a device in the left atrial appendage (LAA) in patients with atrial fibrillation (AF) to prevent thromboembolic stroke. BACKGROUND: Meta-analyses confirmed that in cases of left atrial thrombus in nonrheumatic AF patients approximately 90% of them are in the LAA. METHODS: The ...
Orlov Michael V - - 2007
The epidemiology and clinical implications of asymptomatic atrial tachyarrhythmias (AT) including both atrial fibrillation and flutter in pacemaker recipients with and without arrhythmia history are not well understood. The Atrial High Rate Episodes (A-HIRATE) in Pacemaker Patients Trial was designed to identify and compare the incidence of AT in patients ...
Bitigen Atila - - 2007
AIM: The left atrial appendage (LAA) function was evaluated in patients with severe rheumatic mitral regurgitation, having sinus rhythm or atrial fibrillation, by standard and tissue Doppler echocardiographic examinations. METHODS AND RESULTS: Sixty patients with rheumatic severe mitral regurgitation were enrolled. The patients (14 females and 6 males) having sinus ...
Thuraisingham Ranjit Arulnayagam - - 2007
An electrocardiogram marker to detect patients who have paroxysmal atrial fibrillation (PAF) is reported. The data set of ECG records made available by PhysioNet for Cardiology Challenge 2001 was used. The method uses a filtered time series with a frequency range between 3 and 9 Hz obtained from the electrocardiogram ...
Muto Masahiro - - 2007
BACKGROUND: This study investigated the electrophysiologic characteristics and outcome of superior vena cava (SVC) segmental ostial isolation (SOI) in patients with SVC-initiated paroxysmal atrial fibrillation (PAF). METHODS: Ninety-five patients with PAF underwent pulmonary vein (PV) SOI using a basket catheter whether the PAF originating from PVs was observed or not. ...
Stöllberger Claudia - - 2007
OBJECTIVE: Left ventricular hypertrabeculation/noncompaction (LVHT) is characterized by prominent trabeculations and intertrabecular recesses. LVHT patients suffer from heart failure, arrhythmias, chest pain and neuromuscular disorders (NMD). Data about long-term prognosis of LVHT are controversial. The aim of the study was to compare the mortality of LVHT patients with that of ...
Patel Angira - - 2007
BACKGROUND: Controversy still exists regarding closure of atrial septal defects (ASDs) in patients >40 years of age who are largely asymptomatic or do not have large shunts (LS). If left unrepaired, the majority of patients will experience symptoms and will have a shorter life span compared to patients who undergo ...
Budeus Marco M Department of Cardiology, West-German Heart Centre, University of Duisburg-Essen, Essen, Germany. - - 2007
Paroxysmal atrial fibrillation (PAF) transits to permanent atrial fibrillation (PEAF). The current study was to determine whether a P wave-triggered P wave signal averaged electrocardiogram (P-SAECG) and chemoreflexsensitivity (CHRS) are useful to predict a conversion to PEAF in patients with PAF. The filtered P wave duration (FPD) and the root ...
Botto Giovanni Luca - - 2007
BACKGROUND: Most clinical trials that have tested pacing therapies to prevent and treat atrial tachyarrhythmias (AT) have chosen endpoints such as AT frequency or burden (defined as percentage of time a patient is in AT), but failed to show unequivocal evidence of a clinical impact. AIM: The aim of our ...
Wiesel Joseph - - 2007
OBJECTIVES: Detecting asymptomatic atrial fibrillation would help identify patients who would benefit from anticoagulation. This study examined the application of a modified blood pressure monitor to screen for episodes of atrial fibrillation. METHODS: A modified sphygmomanometer was designed to detect atrial fibrillation. The device has a sensitivity near 100% and ...
Van Wagoner David R - - 2007
Although the problem of atrial fibrillation is now widely appreciated, the fundamental mechanisms that lead to arrhythmia onset and persistence have been difficult to elucidate. As a result, available pharmacologic therapies have focused more on modifying ion channel activity than on the underlying mechanisms. Recent studies suggest an important role ...
Erylmaz Adil - - 2007
OBJECTIVES: We evaluated endoscopic transnasal sphenoidotomy (ETNS) with or without ethmoidectomy in patients with inflammatory sphenoid sinus disease (ISSD). PATIENTS AND METHODS: A retrospective review was conducted in 42 patients (17 males, 25 females; mean age 41 years; range 17 to 67 years) who underwent ETNS with (n=37) or without ...
Pippa Lucio - - 2007
Evidence indicates that low energy expenditure protocols derived from traditional Chinese medicine may benefit patients with cardiac impairment; therefore, the authors carried out a randomized controlled trial to test a 16-week medically assisted qi gong training program for the physical rehabilitation of patients with stable chronic atrial fibrillation and preserved ...
Halawa Ahmad - - 2007
A variety of cardiomyopathies are due to familial disease. Most are primarily associated with cardiac involvement and can lead to hypertrophic, dilated, or restrictive cardiomyopathy. Myotonic dystrophy (MD) is a multisystem disease with autosomal dominant inheritance and variable penetrance. Cardiac diseases are important causes of morbidity and mortality in MD ...
Potisek Nicholas M - - 2007
Patients with chronic conditions require frequent care visits. Problems can arise during several parts of the patient visit that decrease efficiency, making it difficult to effectively care for high volumes of patients. The purpose of the study is to test a method to improve patient visit efficiency. We used Patient ...
Choi Youn Joung - - 2006
The objective of this study is to define optimal diagnosis and treatment strategies for patients with urachal anomalies in the pediatric age group. The medical records of 21 children who had undergone surgery for urachal anomalies at Severance Hospital, Yonsei University College of Medicine from January 1990 to April 2005 ...
Faggella A - - 2006
AIM: This was to investigate the dental characteristics (caries sensitivity and tooth crown size of permanent elements) in subjects affected by Turner Syndrome (TS). PATIENTS AND METHODS: A group of 25 patients affected by TS, aged from 4 to 18 years, was selected and the data were compared to those ...
Yamada Takeshi - - 2006
BACKGROUND: There is evidence that some patients with Brugada syndrome (BS) exhibit atrial tachyarrhythmias including paroxysmal atrial fibrillation. We investigated whether BS associated not only with vulnerability to ventricular fibrillation, but also with vulnerability to atrial fibrillation. METHODS AND RESULTS: In 15 patients with BS and Brugada-type electrocardiogram (ECG) (14 ...
Liberman Leonardo - - 2006
BACKGROUND: Low-dose biphasic waveform cardioversion has been used for the termination of atrial arrhythmias in adult patients. The energy required for termination of atrial arrhythmias in pediatric patients is not known. The objective of this study is to determine the minimum energy required for successful external cardioversion of atrial arrhythmias ...
Mehta Atul - - 2006
The introduction of substrate reduction therapy (SRT) using miglustat (Zavesca(R)) gives physicians and patients a choice of treatment options for type 1 Gaucher's disease. Enzyme replacement therapy (ERT) has proven a successful approach to treating the haematologic abnormalities and organomegaly. However, long-term complications such as skeletal disease and subtle abnormalities ...
Nakano Naomi - - 2006
We performed a pilot study to assess the safety and efficacy of pulse therapy with terbinafine tablets in 66 patients with dermatophyte onychomycosis. One pulse consisted of oral terbinafine tablets (500 mg/day) given for 1 week followed by a 3-week interval. Topical 1% terbinafine cream was applied daily. The number ...
Zajarias Alan - - 2006
OBJECTIVE: To determine echocardiographic characteristics that may identify patients likely to have residual right-to-left shunt after percutaneous closure of a patent foramen ovale (PFO). BACKGROUND: Characteristics of the atrial septum and PFO may identify patients who are likely to have residual shunt following percutaneous closure. METHODS: We reviewed 76 consecutive ...
Khani M - - 2006
The publisher regrets that this was an accidental duplication of an article that has already been published in Eur. J. Echocardiogr., 4 (2003) 229-231, . The duplicate article has therefore been withdrawn.
Watson J N - - 2007
The aim of this study was to examine whether wavelet transform analysis of the electrocardiogram (ECG) can improve the prediction of the maintenance of sinus rhythm in patients with atrial fibrillation (AF) after external DC cardioversion. We examined a variety of wavelet transform-based statistical markers as potential candidates for the ...
Ozeke Ozcan - - 2006
BACKGROUND: The hemodynamic factors contributing to the clinical symptomatology in patients with mitral stenosis (MS) have been under investigation. The objective of this study was to evaluate the use of the Valsalva maneuver in patients with MS and whether there is an association between the degree of the hemodynamic changes ...
Seiler Jens - - 2007
BACKGROUND: Patients may develop dual-loop re-entrant atrial arrhythmias late after open-heart surgery, and mapping and catheter ablation remain challenging despite computer-assisted mapping techniques. OBJECTIVES: The purpose of the study was to demonstrate the prevalence and characteristics of dual-loop re-entrant arrhythmias, and to define the optimal mapping and ablation strategy. METHODS: ...
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