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Results 101 - 150 of 1700
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Perez Marco V - - 2011
BACKGROUND: Increased prevalence of classic early repolarization, defined as ST elevation (STE) in the absence of acute myocardial injury, in African Americans is well established. The prognostic value of this pattern in different ethnicities remains controversial. OBJECTIVE: Measure association between early repolarization and cardiovascular mortality in African Americans. METHODS: The ...
De Luca Leonardo - - 2011
In Italy, as in other European countries, public service healthcare presents some disparities that are related to geographical, economic, organizational and structural issues. Although some Italian regions have excellent networks for the treatment of ST-elevation myocardial infarction (STEMI), others still have to develop a model that allows each STEMI patient ...
Alexander Thomas - - 2011
The prevalence of coronary artery disease and ST-elevation myocardial infarction (STEMI) are increasing in India. Although recent publications have focused on improving preventive measures in developing countries, less attention has been placed on the acute management of STEMI. Recent policy changes in India have provided new opportunities to address existing ...
Eldrup Nikolaj - - 2012
The risks of myocardial infarction (MI) and stroke after abdominal aortic aneurysm (AAA) resection are not known. Prophylaxis with aspirin and statins is not generally recommended, although patients with AAAs have an increased prevalence of cardiovascular atherosclerosis. We report the incidences of MI, stroke, and death in an unselected national ...
Xie C B - - 2011
Introduction: There is a paucity of data on acute myocardial infarction (AMI) in young Asian women and of comparative data among various ethnic groups with respect to risk factor profile and clinical outcomes. We present a comprehensive overview of the clinical characteristics of young Asian women with AMI and a ...
Gjesdal Ola - - 2011
The prevalence of heart failure is increasing in the western world. Current efforts aim to identify heart failure at its earliest and preclinical stages in order to begin treatment and prevent deterioration before the symptoms escalate. Cardiac remodeling is the process of structural and functional changes in the left ventricle ...
Laugsand Lars E - - 2011
BACKGROUND: for trend 0.003). Alternative multivariable models and different sensitivity analyses suggest that the results were robust, especially concerning difficulties initiating sleep.Conclusions-Insomnia is associated with a moderately increased risk for AMI.
Lim Joanna C E - - 2011
Anomalous origination of a coronary artery from the opposite sinus (ACAOS) is estimated to be present in 0.2-2.0% of the population. In the majority of individuals, ACAOS has no hemodynamic or prognostic implications, but in a minority of cases, typically where the anomalous coronary artery takes an interarterial course to ...
Karjalainen P - - 2011
The introduction of drug-eluting stents (DES) has revolutionized the field of interventional cardiology, since it has reduced the incidence of restenosis by 50% to 70%. However, recent worrisome data from registries and meta-analyses emphasized higher rates of late and very late stent thrombosis associated with DES. The recently introduced titanium-nitride-oxide-coated ...
Singh Inder M - - 2011
Percutaneous coronary revascularization was introduced over 30 years ago by Dr Andreas Grüntzig. This event catapulted adult invasive cardiology from a diagnostic entity to a therapeutic modality, which has since become the most frequently performed coronary revascularization procedure worldwide. This success has been built on several key concepts-problem identification, targeted ...
Bhuiyan Taslima - - 2011
Heart failure with preserved ejection fraction (HFPEF) is increasing in prevalence with the aging of the population, and morbidity and mortality rates are comparable to that of heart failure with reduced ejection fraction (HFREF). The diagnosis can be difficult to make, especially in older adults, stemming from the presence of ...
Struck Manuel F MF Department of Anesthesiology, Friedrichstadt Hospital, Dresden, Germany. - - 2011
We report the case of a perioperative cardiac arrest (ventricular fibrillation) of a patient undergoing elective orthopedic surgery due to moderate hypokalemia (serum potassium 2.8 mmol/l), whereas preoperative levels were normal. He was successfully resuscitated without neurological deficits and underwent postoperative intensive care monitoring. In times of increasing populations of ...
De Vriese An S - - 2011
The hemodialysis population is characterized by a high prevalence of 'asymptomatic' coronary artery disease (CAD), which should be interpreted differently from asymptomatic disease in the general population. A hemodynamically significant stenosis may not become clinically apparent owing to impaired exercise tolerance and autonomic neuropathy. The continuous presence of silent ischemia ...
Stender Stefan - - 2011
OBJECTIVE: Although animal studies indicate that liver X receptor alpha (LXRα) might influence risk of atherosclerosis, data in humans remain scarce. We tested the hypothesis that genetic variation in LXRα associates with risk of ischemic vascular disease and/or plasma lipid and lipoprotein levels in the general population. METHODS AND RESULTS: ...
Reyes Eliana - - 2012
This is the second of a series of surveys designed to assess myocardial perfusion scintigraphy (MPS) practice in Europe. Data were collected from 258 centres in 18 countries. The number of MPS studies per million population (pmp) was estimated assuming that the nonresponding centres performed either no studies (lower estimate) ...
Sabaté S - - 2011
BACKGROUND: /st>Major adverse cardiac and cerebrovascular events (MACCE) represent the most common cause of serious perioperative morbidity and mortality. Our aim was to identify risk factors for MACCE in a broad surgical population with intermediate-to-high surgery-specific risk and to build and validate a model to predict the risk of MACCE. ...
Caliendo Valentina - - 2011
Ventricular candidiasis is consistently one of the most prominent pathologic conditions diagnosed in stone curlews (Burhinus oedicnemus) in the United Arab Emirates, predominately affecting the captive population. Predisposing factors are a humid environment, stress, immunosuppression, inadequate nutrition, and an extended use of oral antibiotics. In this report, we describe the ...
Linte Cristian A - - 2011
OBJECTIVE:: For robot-assisted coronary artery bypass graft interventions, surgeons typically use a preoperative thoracic computed tomography scan of the patient to plan the procedure. However, the cardiac anatomy is prone to changes induced perioperatively in the effort to access the heart and surgical targets, which, in turn, may invalidate the ...
Monshizadeh E - - 2011
AIM: In this study, we investigated the changes in QT dispersion (QTd) after successful coronary artery revascularization. BACKGROUND: QTd, as a marker of regional variability of myocardial repolarization, increases following impaired myocardial perfusion and is associated with increased risk of ischemia-induced arrhythmia. METHODS: In 45 consecutive patients (mean age 54.39±11.49 ...
Venkitachalam Lakshmi - - 2011
Background- Although the benefits of drug-eluting stents (DES) for reducing restenosis after percutaneous coronary intervention are well established, the impact of alternative rates of DES use on population-level outcomes is unknown. Methods and Results- We used data from the Evaluation of Drug Eluting Stents and Ischemic Events (EVENT) registry to ...
Seitz Michael J - - 2011
We present the case of a 48 year-old male with a history of cystic fibrosis who presented with massive haemoptysis and was later found to have Takotsubo cardiomyopathy. He subsequently developed a left ventricular (LV) thrombus which was successfully removed via a left apical ventriculotomy. Surgical management of LV thrombus ...
Hornstrup Louise S - - 2011
BACKGROUND: -Pseudoxanthoma elasticum (PXE) is an autosomal recessive disease caused by loss-of-function mutations in ABCC6, and characterized by elastic calcification leading to dermal, ocular, and ischemic vascular disease (IVD). We tested the hypothesis that heterozygosity for R1141X, the most frequent PXE-causing mutation in Caucasians, associated with risk of IVD, as ...
Riley Anne B - - 2011
Atrial fibrillation is the most common cardiac arrhythmia that increases in prevalence with age. As the general population grows older, general practitioners will more frequently see this disease in their clinic population. In order to most effectively treat these patients, physicians need to understand key issues, including the use of ...
Herreros Jesus - - 2011
Heart failure currently constitutes one of the greatest health problems in the Western world. Its incidence, far from diminishing or even remaining stable, is actually still increasing in association with the aging of the population and its lifestyle. A better knowledge of physiopathological mechanisms has allowed for the development of ...
Huynh Thao T Division of Cardiology, Department of Medicine, McGill Health University Center, Montreal, Quebec, Canada. - - 2011
The primary objective of this report was to describe the infrastructures and processes of selected European and North American pre-hospital fibrinolysis (PHL) programs. A secondary objective is to report the outcome data of the PHL programs surveyed. Despite its benefit in reducing mortality in patients with ST-segment elevation myocardial infarction, ...
Nickel Thomas - - 2011
BACKGROUND.: The angiographic incidence of coronary dilatation (CD) in the nontransplant population is approximately 0.2% to 5%. The endothelial-dependent and -independent causes for CD are postulated. So far, the incidence and prognosis of CD after heart transplantation is unknown. METHODS.: We retrospectively analyzed the annual coronary angiographies of 688 heart ...
Graafen Dirk - - 2011
Myocardial blood flow (MBF) can be quantified using T(1)-weighted first-pass magnetic resonance imaging (MRI) in combination with a tracer-kinetic model, like MMID4. This procedure requires the knowledge of an arterial input function which is usually estimated from the left ventricle (LV). Dispersion of the contrast agent bolus may occur between ...
Mountantonakis Stavros E - - 2011
Dramatic reductions in the rate of sudden cardiac death due to use of implantable cardioverter-defibrillators (ICDs) have been well-established in several large randomized clinical trials including patients with left ventricular dysfunction after myocardial infarction. This article reviews the literature regarding ICD utilization in the postinfarction population, with a strong emphasis ...
Kato Tomoko S TS Department of Medicine, Division of Cardiology, Columbia University Medical Center, New York, NY 10032, - - 2011
Continuous-flow left ventricular assist devices (LVAD) are increasingly used for patients with end-stage heart failure (HF). We analyzed the effects of ventricular decompression by continuous-flow versus pulsatile-flow LVADs on myocardial structure and function in this population. Sixty-one patients who underwent LVAD implantation as bridge-to-transplant were analyzed (pulsatile-flow LVAD: group P, ...
Chenevier-Gobeaux Camille - - 2011
The recently developed, highly sensitive cardiac troponin T (hs-cTnT) immunoassay improves the detection of acute myocardial infarction (AMI). However, this assay requires further analytical and clinical evaluation. Imprecision, linearity, limits of quantification and interferences were evaluated; hs-cTnT was compared with a conventional cardiac troponin I assay (cTnI), performed on an ...
Bulmer Barret J - - 2011
Myocardial dysfunction is commonly encountered in humans, and presumably in dogs with sepsis and critical illness. This dysfunction contributes to increased mortality. With management of the underlying diseases and an understanding of the processes contributing to myocardial dysfunction, steps may be taken to mitigate the consequences of cardiac impairment. Clinical ...
Ehara Shoichi - - 2011
The aim of this study was to investigate the clinical value of the apex beat and two ECG voltage criteria in the detection of left ventricular hypertrophy (LVH) while considering two distances, from the heart to the inner chest wall and to the chest surface, measured by using multislice CT ...
Hamilton Leslie E - - 2011
  Despite advances in the management of congenital heart disease (CHD), children with CHD who survive into adulthood are at increased risk of sudden death. Sudden death may also be the initial presentation of undiagnosed CHD in some adults. This retrospective descriptive study outlines the spectrum of CHD presenting as ...
Abu-Tailakh Muhammad - - 2011
The incidence and prevalence of coronary heart disease (CHD) among Bedouins living in the Negev region were very low until the 1960s. During the past 50 years this pattern has changed: in parallel to the changes in lifestyle and nutrition in the Bedouin population, a rapid increase in incidence and ...
Huang Jie - - 2011
The incidence of coronary heart disease (CHD) is higher in Northern than that in Southern China, however differences in traditional CHD risk factors do not fully explain this. No study has examined the differences in subclinical atherosclerosis that may help explain the differences in incidence. This study examined these differences ...
Denktas Ali E AE University of Texas, Health Science Center at Houston and Memorial Hermann Heart and Vascular Institute, Houston, Texas, - - 2011
Currently accepted standards for gauging quality of care in the treatment of ST-segment elevation myocardial infarction (STEMI) mainly focus on shortening the time to treatment after the patient arrives at the hospital. But this narrow focus fails to consider the substantial duration of myocardial ischemia that exists prior to hospital ...
Wilson M G - - 2012
To evaluate the electrocardiographic (ECG) characteristics of West-Asian, black and Caucasian male athletes competing in Qatar using the 2010 recommendations for 12-lead ECG interpretation by the European Society of Cardiology (ESC). Cardiovascular screening with resting 12-lead ECG analysis of 1220 national level athletes (800 West-Asian, 300 black and 120 Caucasian) ...
Tsai Meng-Tsan - - 2011
Time-resolved optical coherence tomography (OCT) scanning images of wild-type and mutant fruit flies (Drosophila melanogaster), illustrating the heartbeat patterns for evaluating their cardiac functions, are demonstrated. Based on the heartbeat patterns, the beat rate and the relative phase between the first two heart segments can be evaluated. The OCT scanning ...
Hatmi Z N - - 2011
Psychosocial factors such as depression, hostility, social isolation are associated with increased risk of coronary heart disease. We aimed to determine the association of psychiatric symptoms and psychosocial factors with myocardial infarction (Ml). We performed a secondary analysis of data from a population-based survey of Iranians aged 18-15 years using ...
Fiuzat M - - 2011
β-Adrenoceptor antagonists or β-blockers are a cornerstone of therapy in chronic heart failure (CHF). Bucindolol hydrochloride is a fourth-generation β-blocker in development for the treatment of CHF. Two trials have been conducted to evaluate its use in CHF, and a third is under way to investigate bucindolol for the reduction ...
Kang Soo-Jin - - 2011
A single stent crossover technique is the most common approach to treating bifurcation lesions. In 90 bifurcation lesions with side branch (SB) angiographic diameter stenosis <75%, we assessed preintervention intravascular ultrasound (IVUS; of main branch [MB] and SB) predictors for SB compromise (fractional flow reserve [FFR] <0.80) after a single ...
Nakao Shu - - 2011
An 11-month-old, 3 kg, female domestic shorthair cat was referred to evaluate cardiac structure and function. Echocardiography revealed the membrane dividing the left atrium into two chambers, a large defect in the lower part of the atrial septum, and turbulent blood flow from the distal left atrium into the right ...
Vichova Z - - 2011
OBJECTIVES: The aims of this study were to test the hypotheses that in the postoperative period following corrective surgery for congenital heart defects: (i) atrio-right ventricular (RA-RV) pacing decreases cardiac output (CO) compared with right atrial (RA) pacing, (ii) atrio-biventricular (RA-BiV) and left ventricular (RA-LV) pacing improves CO compared with ...
Kurisu Kazuhiro - - 2011
Development of atrial fibrillation is one of the primary indicators of cor triatriatum in adults. Here we describe a case of a patient suffering cor triatriatum coexistent with frequent paroxysmal atrial fibrillation. Paroxysms of arrhythmia were not encountered after surgical correction. Resection of an anomalous membranous septum may have contributed ...
Mower Morton M - - 2011
Background: The physiological effects of biphasic pacing have not been studied in compromised hearts. Methods: Myocardial infarction was induced in 12 sheep by high coronary artery ligation. Perioperative mortality was 33%. The surviving eight animals exhibited increased left ventricular volume and reduced percent fractional shortening. Two weeks after the infarction, ...
Kaneko Tsuyoshi - - 2011
Persistent left superior vena cava is known to be associated with cor triatriatum. The persistent left superior vena cava drains into a dilated coronary sinus and can cause left atrial outflow obstruction by impinging on the posterior wall of the left atrium. Residual obstruction can persist, even after surgical resection ...
Tsvetkova Alena S - - 2011
Aims To determine the repolarization duration gradients in different ventricular regions at atrial and ventricular pacing and to test the hypothesis that acute haemodynamic response to ventricular pacing is related to the lead position with respect to repolarization gradients. Methods and results Repolarization durations estimated as activation-recovery intervals (ARIs) were ...
Sharif Dawod - - 2011
Background: QRS width and echocardiography-derived indices are limited predictors of response to resynchronization therapy. We applied digital palpography, using vibration resonance imaging, to investigate the effects of right ventricular pacing and left ventricular ejection fraction (LVEF) on mechanical and electrical dyssynchrony. Methods: Forty-nine subjects were examined: 24 normal controls, 18 ...
Heinroth Konstantin M - - 2011
Bradycardia complicating percutaneous coronary intervention (PCI) can require temporary pacing. A transcoronary approach using the guidewire in the coronary artery may be a useful alternative to transvenous pacing. The purpose of the present study was to compare the efficacy of two different coronary guidewires in transcoronary pacing: a novel guidewire ...
Kapoor Aditya - - 2011
The use of temporary epicardial pacing wires during cardiac surgery is a routine procedure and has been associated with low morbidity. We describe a rare case of right paracardiac mass due to organized pericardial hematoma with right atrial compression around the epicardial pacing wires left in-situ, presenting three months following ...
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