Search Results
Results 501 - 550 of 1524
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Ellemdin S S Department of Internal Medicine, University of Pretoria, - - 2007
In patients with known or suspected coronary artery disease, diagnosis and risk stratification can be aided by non-invasive tests for myocardial ischaemia. The main indications for the use of radionuclide perfusion imaging (sestamibi) rather than exercise electrocardiography include complete left bundle branch block, inconclusive stress electrocardiography and an inability to ...
Benn Marianne - - 2007
BACKGROUND: Apolipoprotein B (apoB) levels predict fatal myocardial infarction. Whether apoB also predicts nonfatal ischemic cardiovascular events is unclear. We tested the following hypotheses: apoB predicts ischemic cardiovascular events, and apoB is a better predictor of ischemic cardiovascular events than low-density lipoprotein cholesterol. METHODS AND RESULTS: We studied 9231 asymptomatic ...
Russo V - - 2007
Myocardial scintigraphy and/or conventional angiography (CA) are often performed before cardiac surgery in an attempt to identify unsuspected coronary artery disease which might result in significant cardiac morbidity and mortality. Multidetector CT coronary angiography (MDCTCA) has a recognised high negative predictive value and may provide a non-invasive alternative in this ...
Canale Maria L - - 2006
OBJECTIVE: To evaluate the prognostic value of a single and early determination of high sensitivity C-reactive protein levels at admittance in patients with acute myocardial infarction with persistent ST elevation. PATIENTS AND METHODS: We evaluated high-sensitivity C-reactive protein levels in 247 consecutive acute myocardial infarction with persistent ST elevation patients ...
Romano G - - 2006
AIM: The aim of our study was to determine if patients with multifocal atherosclerosis have a worse prognosis than patients with atherosclerosis only in the coronary bed. METHODS: We studied 45 subjects admitted to intensive coronary care unit of the Division of Cardiology with the diagnosis of acute myocardial infarction ...
Panagiotakos Demosthenes B - - 2006
PURPOSE: Our aim was to evaluate whether healthy dietary habits, physical activity and non-smoking are associated with less severe acute coronary syndromes and better short-term prognosis. SUBJECTS AND METHODS: From October 2003 to September 2004, 2172 patients (1649 males), hospitalized for severe acute coronary syndromes in six major hospitals in ...
Mahmarian John J - - 2006
OBJECTIVES: The purpose of this study was to determine whether gated adenosine Tc-99m sestamibi single-photon emission computed tomography (ADSPECT) could accurately define risk and thereby guide therapeutic decision making in stable survivors of acute myocardial infarction (AMI). BACKGROUND: Controversy continues as to the role of noninvasive stress imaging in stratifying ...
Pope C Arden CA - - 2006
BACKGROUND: Recent evidence suggests that long-term exposure to particulate air pollution contributes to pulmonary and systemic oxidative stress, inflammation, progression of atherosclerosis, and risk of ischemic heart disease and death. Short-term exposure may contribute to complications of atherosclerosis, such as plaque vulnerability, thrombosis, and acute ischemic events. These findings are ...
Ikeda Takanori - - 2006
OBJECTIVES: We conducted a collaborative cohort study to evaluate the predictive power of microvolt T-wave alternans (TWA) in patients with preserved left ventricular ejection fraction (LVEF) after myocardial infarction (MI). BACKGROUND: There is little information available about the prognostic value of risk stratification markers in this population. Although these patients ...
Pettus Joseph A - - 2006
OBJECTIVES: To evaluate the incidence of, and identify the risk factors for, clinical thromboembolic events after radical/partial nephrectomy. Cancer is an established risk factor for deep vein thrombosis (DVT) and pulmonary embolism (PE); however, their incidence after nephrectomy for renal tumors has been poorly studied. METHODS: We reviewed our prospective ...
Chen Han-Hsiang - - 2006
OBJECTIVE: People with either end-stage renal disease or metabolic syndrome (MS) are at increased risk for developing coronary artery disease. The impact of MS on coronary artery disease in end-stage renal disease patients, however, remained unclear. We therefore evaluated whether the presence of MS is associated with more coronary lesions ...
Fox Kim - - 2006
BACKGROUND: Raised resting heart rate (HR) is associated with increased cardiovascular and total mortality. Ivabradine is a new specific HR-reducing agent, which has been shown to have antianginal and anti-ischemic properties in patients with stable angina. Because patients with coronary artery disease and left ventricular dysfunction are at high risk ...
Székely Andrea - - 2006
BACKGROUND: Early extubation after cardiac surgery in children is feasible; however, predictors of prolonged mechanical ventilation (MV) should be recognized as soon as possible. METHODS: At a tertiary pediatric cardiac center, prospective case series analyses were carried out with a total of 411 patients within 1 year of cardiac surgery. ...
Sejil S - - 2006
AIMS: To determine the prognosis of patients with Type 1 or Type 2 diabetes, 6 years after screening for silent myocardial ischaemia (SMI). METHODS: Two hundred and three asymptomatic patients with diabetes underwent systematic SMI screening. From the results of this screening, they were allocated to one of three groups: ...
Howard-Alpe G M - - 2006
Atherosclerosis is a common condition in both the developed and developing world and is now recognised to be an inflammatory condition leading to the development of ischaemic heart disease, cerebrovascular disease and peripheral vascular disease. Ischaemic heart disease is a major risk factor in the pathogenesis of perioperative adverse cardiovascular ...
Fox Keith A A - - 2006
To develop a clinical risk prediction tool for estimating the cumulative six month risk of death and death or myocardial infarction to facilitate triage and management of patients with acute coronary syndrome. Prospective multinational observational study in which we used multivariable regression to develop a final predictive model, with prospective ...
Hofmann Robert - - 2006
BACKGROUND AND PURPOSE: Routinely available independent risk factors for the peri-interventional outcome of patients undergoing elective carotid artery stenting (CAS) are lacking. The rationale of the study was to create a risk score identifying high-risk patients. METHODS: We prospectively enrolled 606 consecutive patients assigned to CAS at a secondary care ...
Sista Ramachandra R - - 2006
Cardiac complications are the leading cause of perioperative morbidity and mortality following noncardiac surgery. The annual cost of perioperative cardiovascular events exceeds 20 billion US dollars. A strategic preoperative evaluation holds the potential to reduce perioperative cardiac events and healthcare costs; however, our current understanding of the pathophysiological basis of ...
Venkataraman Ramesh - - 2006
OBJECTIVE: To review the literature on perioperative cardiac management of patients who are scheduled to undergo vascular surgery. DATA SOURCE: MEDLINE- and PubMed-based review of literature published from 1965 to 2005. CONCLUSIONS: Perioperative cardiac events (myocardial infarction, heart failure) remain the leading cause of morbidity and mortality in vascular surgery ...
Schouten Olaf - - 2006
Abdominal aortic aneurysm (AAA) size and growth has been found to be associated with local generation of inflammation markers such as interleukin-6. Inflammation also seems to be important in perioperative adverse cardiac events. We hypothesized that patients with a large AAA are at increased risk for cardiac events. Consecutive patients ...
de Virgilio Christian - - 2006
HYPOTHESIS: Endovascular repair of abdominal aortic aneurysms has made considerable advancements with respect to perioperative mortality. However, fewer data are available regarding factors affecting long-term mortality, including the impact of adverse perioperative cardiac events. Perioperative clinical cardiac risk factors are significant predictors of long-term mortality.Design, Setting, and PATIENTS: Retrospective review ...
Wake Ryotaro - - 2006
Although the application of intravenous contrast agents during stress echocardiography has been shown to improve diagnostic accuracy for detecting coronary artery disease, less information exists regarding its prognostic value. The aim of this study was to determine the role of contrast-enhanced dobutamine stress echocardiography (DSE) for predicting future cardiac events ...
Yoshinaga Keiichiro - - 2006
OBJECTIVES: The objective was to determine the prognostic value of rubidium-82 (82Rb) positron emission tomography (PET) myocardial perfusion imaging (MPI). BACKGROUND: 82Rb PET MPI accurately diagnoses coronary artery disease (CAD). However, there are limited data evaluating its prognostic value. METHODS: Follow-up (3.1 +/- 0.9 years) was obtained in 367 patients ...
Holdaas Hallvard - - 2007
BACKGROUND: Individuals with chronic kidney disease are at high risk for cardiovascular disease and have a high prevalence of hyperlipidemia. Lipid-lowering therapy may help patients with renal disease reduce their risk for cardiovascular events. METHODS: A pooled analysis of 30 completed clinical trials compared the efficacy and safety profiles of ...
Ray Kausik K - - 2006
High levels of adhesion molecules, such as soluble intercellular adhesion molecule-1 (sICAM-1), are associated with long-term risk of cardiac events in patients with and without stable coronary artery disease. The relation between sICAM-1 and long-term risk after acute coronary syndromes (ACSs) and the influence of statin treatment has not been ...
Simon Alain - - 2006
Traditional risk factors are poor screening tests for coronary heart disease, whereas clinical arterial disease represents its strongest predictor. This raises the question whether subclinical arterial disease may also predict coronary disease. Using published data of prospective studies of subclinical arterial disease, we calculated the incidence of coronary event associated ...
Chalikias Georgios K - - 2007
BACKGROUND: The pro-inflammatory cytokine IL-18 has been suggested to play a role in atherogenesis and atheromatous plaque rupture leading to the acute coronary syndrome (ACS). Conversely, the anti-inflammatory cytokine IL-10 seems to have an atheroprotective role. Patients with unstable coronary artery disease show an imbalance between serum levels of pro- ...
Salem R - - 2006
BACKGROUND: Several risk factors have been shown to increase mortality in cardiac surgery. However, the importance of left ventricular end-diastolic pressure (LVEDP) as an independent risk factor before cardiac surgery is unclear. Method. This observational study investigated 3024 consecutive adult patients who underwent cardiac surgical procedures at the Montreal Heart ...
Bugiardini Raffaele - - 2006
BACKGROUND: The prognostic implication of chest pain associated with normal or near-normal findings on angiography is still unknown. We explored outcomes and methods of risk stratification in patients with nonobstructive coronary artery disease in the setting of non-ST-segment elevation acute coronary syndromes. METHODS: Data were pooled from 3 Thrombolysis in ...
Parissis John T - - 2007
Depression is a common comorbid condition in patients with coronary artery disease and a well-documented risk factor for recurrent cardiac events and mortality. The exact mechanisms underlying the interplay between depression and ischemic heart disease remain poorly understood and the same is true for the most effective depression treatment for ...
Dunkelgrun M - - 2006
Cardiovascular complications are important causes of morbidity and mortality following vascular surgery. Adequate preoperative risk assessment and perioperative management may modify postoperative mortality and morbidity and improve long-term prognosis. The objective of this review is to examine the present day knowledge regarding the preoperative evaluation and perioperative management of patients ...
Drury Nigel E - - 2006
The elderly represent a rapidly growing and substantially under-treated sector in industrialized countries, with coronary artery disease and degenerative aortic stenosis rampant. The proportion of elderly patients undergoing cardiac surgery is rising steadily and outcomes continue to improve with the refinement of operative techniques and perioperative care. Advanced risk stratification ...
Davila Jesse A - - 2006
PURPOSE: To retrospectively determine whether calcium scores of the abdominal aorta obtained during computed tomographic (CT) colonography relate to Framingham risk factors and clinical cardiac events. MATERIALS AND METHODS: The institutional review board approved the current HIPAA-compliant retrospective study and waived informed consent. Between 1995 and 1998, 480 patients underwent ...
Wake Ryotaro - - 2006
BACKGROUND: Non-invasive diagnosis and risk stratification of coronary artery disease are important for the selection and optimization of therapeutic interventions in diabetic patients, which may improve survival. The aim of this study was to determine the incremental value of contrast-enhanced dobutamine stress echocardiography (CE-DSE) for risk stratification. METHODS AND RESULTS: ...
Haim Moti - - 2007
We have prospectively evaluated the risk of incident coronary events in association with serum total homocysteine in patients with preexisting chronic coronary heart disease. A nested case-control design was used. Total homocysteine concentration was measured in baseline fasting serum samples from patients with chronic coronary heart disease enrolled in the ...
De Denus Simon - - 2006
BACKGROUND: The implication of various cytokines in a subclinical inflammatory process has been documented in heart failure (HF). The role of temporal changes of more conventional markers of inflammation, such as the white blood cell (WBC) count, on clinical outcomes remains largely unknown. METHODS AND RESULTS: We performed a retrospective ...
Bremmer Marijke A - - 2006
OBJECTIVE: Depressive disorders have been shown to be associated with cardiac diseases and death, but the underlying disease mechanism is unclear. The authors hypothesized that the cardiac morbidity and mortality after depression in late life is mediated by subclinical atherosclerosis and is thus confined to ischemic heart diseases. METHOD: Using ...
Gal J - - 2006
Cardiac complications are the major cause of perioperative morbidity and mortality of patients undergoing non-cardiac surgery. This is related to the frequent presence of underlying coronary artery disease. In the last few decades, attention has focused on preoperative cardiac risk assessment that may help to identify patients at increased cardiac ...
Ohtani Tomohito - - 2006
OBJECTIVES: We sought to test whether the risk of acute coronary syndrome (ACS) can be estimated by angioscopy. BACKGROUND: Disruption of vulnerable plaque and subsequent thrombosis is regarded as a major mechanism of ACS. Although yellow plaques are supposedly vulnerable, the association between angioscopically determined extent of coronary atherosclerosis and ...
Healy Aileen M - - 2006
BACKGROUND: Platelets participate in events that immediately precede acute myocardial infarction. Because platelets lack nuclear DNA but retain megakaryocyte-derived mRNAs, the platelet transcriptome provides a novel window on gene expression preceding acute coronary events. METHODS AND RESULTS: We profiled platelet mRNA from patients with acute ST-segment-elevation myocardial infarction (STEMI, n=16) ...
Engström G - - 2006
Hypertension has been associated with increased case-fatality rates among individuals who subsequently suffer from acute coronary events. It is unknown whether inflammation modifies this relationship. This population-based study explored the effects of inflammation and hypertension on incidence of coronary event, and on the fatality of the future events. Blood pressure ...
Huang Po-Hsun - - 2007
BACKGROUND: Heparin cofactor II (HCII) could inactivate thrombin after binding to dermatan sulfate at injured arterial walls, and has been shown to be a novel and independent antiatherosclerotic factor. However, the relation between plasma HCII activity and peripheral vascular endothelial function remains unclear. METHODS: A total of 199 patients (mean ...
Polk Donna M - - 2006
Hospitalization and rehospitalization for acute coronary syndromes significantly contribute to the rising annual cost of healthcare. Despite growing evidence of the effectiveness of early and aggressive treatment of cardiovascular risk factors at the time of an acute event, eligible individuals are still not receiving adequate therapy. Inclusion of appropriate coronary ...
van der Harst Pim - - 2006
High levels of C-reactive protein and soluble intercellular adhesion molecule-1 are associated with increased risk for cardiovascular events. No long-term data are available on predictive value of preoperative levels of C-reactive protein and soluble intercellular adhesion molecule-1 on outcome after coronary artery bypass grafting. We measured baseline levels of C-reactive ...
Arima Hisatomi - - 2006
BACKGROUND AND PURPOSE: The relationship between baseline and recurrent vascular events may be important in the targeting of secondary prevention strategies. We examined the relationship between initial event and various types of further vascular outcomes and associated effects of blood pressure (BP)-lowering. METHODS: Subsidiary analyses of the Perindopril Protection Against ...
Church Timothy S - - 2007
BACKGROUND: Whether the absence of coronary artery calcium, or conversely the presence of high volumes of coronary artery calcium, may alter assessment of coronary heart disease risk based on traditional risk factors is uncertain. We sought to identify a potential threshold of coronary artery calcium for clinical use and examine ...
Ivanov Joan - - 2006
OBJECTIVE: To develop and validate an objective and reliable measure of acuity that will identify high-risk patients and predict length of stay following all cardiac surgery procedures. METHODS: Logistical regression analysis of 12,683 patients undergoing cardiac surgery between 1996 and 2000 was used to identify the independent predictors of postoperative ...
Zacharoulis Achilles - - 2006
BACKGROUND: Recent studies have shown that the odds ratio for high-sensitivity C-reactive protein (CRP) in predicting a coronary events in healthy subjects is 1.4, a value substantially less than previously reported. It is unclear whether this extends to acute coronary syndrome patients or if CRP would predict long-term events in ...
Noordzij Peter G - - 2006
Electrocardiography is commonly performed as part of preoperative cardiovascular risk assessment in patients undergoing noncardiac surgery. However, the prognostic value of such electrocardiography is still not clear. This study retrospectively studied 23,036 patients who underwent 28,457 surgical procedures at Erasmus Medical Center from 1991 to 2000. Patients were screened before ...
Wong Daniel R - - 2006
OBJECTIVE: Increasing attention has been afforded to the ubiquity of medical error and associated adverse events in medicine. There remains little data on the frequency and nature of precursor events in cardiac surgery, and we sought to characterize this. METHODS: Detailed, anonymous information regarding intraoperative precursor events (which may result ...
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