Search Results
Results 401 - 450 of 1430
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Chonchol Michel - - 2008
BACKGROUND/AIMS: Patients with chronic kidney disease (CKD) have a dramatically increased risk for cardiovascular mortality. Few prior studies have examined the independent association of CKD with coronary anatomy. METHODS: We evaluated the relationship between CKD and severe coronary artery disease (CAD) in 261 male veterans with nuclear perfusion imaging tests ...
Häggmark S - - 2008
BACKGROUND: ST changes related to ischemia at different heart rates (HRs) have not been well described. We aimed to analyze ST dynamic changes by vectorcardiography (VCG) during pacing-induced HR changes for subjects with proven coronary artery disease (CAD) and without (non-CAD). METHODS: Symptomatic CAD patients scheduled for elective surgery were ...
Shah Nimit C - - 2007
OBJECTIVES: To examine whether endogenous aldosterone can cause either arrhythmias (and some of their underlying mechanisms) or endothelial dysfunction in patients with coronary artery disease (CAD) but without heart failure. BACKGROUND: Aldosterone blockade has been shown to reduce the incidence of sudden death in patients with heart failure. This could ...
Wahl Andreas - - 2007
BACKGROUND: The value of incidental coronary angiography during percutaneous shunt closure to screen for asymptomatic coronary artery disease (CAD) is unknown. METHODS: On the occasion of percutaneous closure of patent foramen ovale (PFO), incidental coronary angiography routinely offered to men >40 and women >50 years, or younger patients with particular ...
Ferrari Roberto - - 2007
The European Trial on Reduction of Cardiac Events with Perindopril in Stable Coronary Artery Disease (EUROPA) investigated the effect of angiotensin-converting enzyme inhibition on the prevention of cardiac events in patients with stable coronary artery disease (CAD) without apparent heart failure. Perindopril 8 mg/day significantly reduced a composite outcome of ...
Shi Hongcheng - - 2007
BACKGROUND: The use of Rb positron emission tomography (PET) for the diagnosis of coronary artery disease (CAD) has increased in recent years but the role of some of the traditional parameters used in SPECT for the diagnosis of CAD, such as transient ischaemic dilation index (TID) of the left ventricle, ...
Nixdorff Uwe - - 2008
OBJECTIVES: Dobutamine stress echocardiography (DSE) and contrast-enhanced electron beam tomography (EBCT) both have the potential to noninvasively detect coronary artery disease (CAD). We compared the accuracy of both methods to detect significant CAD in a direct comparison. METHODS: 79 patients (32 women, 47 men, mean age 62 years) who were ...
Przewlocki Tadeusz - - 2008
BACKGROUND: Renal atherosclerosis is associated with increased cardiovascular mortality. This study aimed to determine the prevalence and predictors of renal artery stenosis (RAS) in patients with coronary artery disease (CAD) and supraaortic arteries (SA) stenosis. METHODS: Renal angiography was performed in 1193 (807 men) consecutive patients referred for coronary or ...
Zielinski Tomasz - - 2007
BACKGROUND: The aim of this study was to examine the significance of ultrasound-measured carotid intima-media thickness (CIMT) in high-risk patients with hypertension and coronary artery disease (CAD), as an independent prognostic factor in determining the risk of all-cause death or future cardiovascular events. METHODS: The study included 297 consecutive patients ...
Fischer Marcus - - 2007
AIMS: Recently, we observed in a hypothesis-generating exploratory search on the heritability of coronary morphology that left main coronary disease (LMD) was frequently shared by siblings with coronary artery disease (CAD). Thus, our aims were, first, to test specifically the familial aggregation of LMD and second, to investigate whether LMD ...
Johnson Thorsten R C - - 2007
PURPOSE: The aim of this study was to evaluate the diagnostic accuracy of dual-source computed tomography (DSCT) with reference to invasive coronary angiography in the diagnosis of coronary artery disease (CAD) on a per-patient as well as on a per-segment basis. MATERIALS AND METHODS: Thirty-five patients with known or suspected ...
Meijboom W Bob - - 2007
OBJECTIVES: We assessed the usefulness of 64-slice computed tomography coronary angiography (CTCA) to detect or rule out coronary artery disease (CAD) in patients with various estimated pretest probabilities of CAD. BACKGROUND: The pretest probability of the presence of CAD may impact the diagnostic performance of CTCA. METHODS: Sixty-four-slice CTCA (Sensation ...
Hung Ming-Jui - - 2007
BACKGROUND: Limited information is available comparing the clinical characteristics and prognosis for patients with coronary vasospastic angina in the absence of hemodynamically significant coronary artery disease (CAD) (defined as >50% stenosis) versus patients with significant fixed CAD presenting with either stable angina pectoris (SAP) or acute coronary syndromes (ACS). METHODS: ...
Nonnenmacher Claudia - - 2007
BACKGROUND: Recent data have shown that periodontal disease may increase the risk of occurrence of coronary heart disease in which inflammation initiated by bacteria and their compounds might be a common causal factor. This case-control study aimed at studying the relationship between periodontal disease and coronary artery disease (CAD) based ...
Abaci Adnan - - 2007
OBJECTIVES: Diabetic patients tend to have more extensive and diffuse coronary artery disease (CAD) that may contribute to the less favorable outcomes in them. The aim of this study was to elucidate the predictors of the angiographic severity and extent of CAD in patients with diabetes. METHODS: A total of ...
Moir Stuart - - 2007
BACKGROUND: Left ventricular opacification (LVO) improves image quality at stress echocardiography (SE). We examined whether routine use of LVO adds incremental benefit and is cost-effective for diagnosis of coronary artery disease (CAD). METHODS: Contrast pharmacologic and/or exercise SE was performed in 135 patients (81 men; 56 +/- 10 years) undergoing ...
Vcev Aleksandar - - 2007
The aim of this investigation was to determine the seroprevalence of H. pylori in patients with coronary artery disease (CAD). Patients with coronary artery disease (n = 90) and control group (n = 90) were enrolled into this randomized, multi-centre study. CAD risk factors analyzed included age, male gender, diabetes ...
Arslan Uğur - - 2007
AIMS: To demonstrate whether there is a relationship between the presence of nonalcoholic fatty liver disease (NAFLD) and the presence and extent of coronary artery disease (CAD). PATIENTS AND METHODS: Ninety-two consecutive patients who planned to undergo coronary angiographies (CAG) without known CAD, other than findings of acute coronary syndrome, ...
Nigam Anil - - 2007
Chronic hyperglycemia plays a role in the pathogenesis of coronary artery disease (CAD); however, the cut-off level beyond which glycemia becomes detrimental is still controversial. Postprandial glycemia may be a stronger CAD risk factor than fasting glycemia in patients without documented heart disease. To identify the contributions of fasting and ...
Renault Marie-Ange MA Feinberg Cardiovascular Research Institute, Northwestern University Feinberg School of Medicine, 303 E Chicago Ave., Tarry 12-703, Chicago, IL 60611, - - 2007
Armed with an improved understanding of the mediators of angiogenesis, physicians and scientists have made significant efforts at harnessing this naturally occurring process in order to treat patients with a variety of peripheral vascular and coronary ischemic syndromes. There is a growing population of patients with end-stage coronary artery disease ...
Sabatine Marc S - - 2007
OBJECTIVE: To determine the prognostic utility of lipoprotein-associated phospholipase A2 (Lp-PLA2) for specific adverse cardiovascular outcomes in patients with stable coronary artery disease (CAD), independent of traditional risk factors and high-sensitivity C-reactive protein (hs-CRP). METHODS AND RESULTS: We measured Lp-PLA2 in 3766 patients with stable CAD from the PEACE trial. ...
Ghaffari S - - 2008
Patients with coronary artery disease (CAD) and concomitant left bundle branch block (LBBB) have increased cardiovascular mortality rates in comparison with those with CAD but without LBBB. In patients with LBBB, therefore, the delineation of the presence and severity of CAD may be helpful in providing prognostic information. In this ...
Bogavac-Stanojević Natasa - - 2007
OBJECTIVES: The aim of our study was to determine the cost-effectiveness of coronary artery disease (CAD) diagnostic parameters in a clinical laboratory setting. DESIGN AND METHODS: The effectiveness of apolipoproteins, lipoproteins and high sensitivity C-reactive protein (hs-CRP) supplementary to Framingham scoring data within a CAD risk assessment procedure was established ...
Bartus Stanislaw - - 2008
The coexistence of peripheral artery disease (PAD) and multilevel atherosclerosis increases death and stroke rates in patients with coronary artery disease (CAD). These patients are often treated conservatively without revascularisation of inferior limbs. We included 66 consecutive patients with complex CAD diagnosed by coronary angiography. All patients underwent percutaneous coronary ...
Bates Timothy R - - 2008
Familial hypercholesterolaemia (FH) is a common genetic disorder that untreated has an almost one hundredfold risk of coronary artery disease (CAD). In an audit of 334 patients with premature CAD admitted to a Department of Cardiology, only 60% of medical records had sufficient clinical information for identifying FH. Of those ...
Zhao Xue-Qiao - - 2007
BACKGROUND: In vivo testing of the lipid depletion hypothesis in human beings during lipid-modifying therapy has not been possible until recent developments in magnetic resonance imaging (MRI). TRIAL DESIGN: The Carotid Plaque Composition Study is a prospective, randomized study designed to test the lipid depletion hypothesis in vivo. One hundred ...
Akilli Hakan - - 2007
AIM: The objective of this study is to investigate the significance of erectile dysfunction in males with a positive exercise treadmill test (ETT) to predict the severity of coronary artery disease (CAD). MATERIALS AND METHOD: With no previous marked CAD, and applying to our clinic with chest pain, 105 male ...
Luchtefeld Maren - - 2007
Liver-derived acute phase proteins (APPs) emerged as powerful predictors of cardiovascular disease and cardiovascular events, but their functional role in atherosclerosis remains enigmatic. We report that the gp130 receptor, which is a key component of the inflammatory signaling pathway within hepatocytes, influences the risk of atherosclerosis in a hepatocyte-specific gp130 ...
Budoff Matthew J - - 2008
PURPOSE: To determine the prevalence of significant obstructive disease and non-diagnostic studies using coronary computed tomographic angiography (CTA) in an outpatient environment, to establish if CTA could help avoid unnecessary diagnostic cardiac catheterizations. METHODS: We evaluated all cases consecutively performed in our outpatient CTA laboratory seen over one year with ...
Costa Marco A - - 2007
OBJECTIVES: To evaluate the ability of quantitative perfusion cardiac magnetic resonance (CMR) to assess the hemodynamic significance of coronary artery disease (CAD) compared with well-established anatomic and physiologic techniques. BACKGROUND: Fractional flow reserve (FFR) is considered by many investigators to be a reliable stenosis-specific method to determine hemodynamically significant CAD. ...
Ramadan Mahmoud M - - 2008
Hereby we report our observations derived from a pilot-study of 39 subjects (30 patients with coronary artery disease [CAD] and 9 non-CAD controls). In this work, we aimed to evaluate MPO-ANCA titer in the human coronary circulation for the first time; and examine its possible association with CAD and some ...
Erne Paul - - 2007
AIMS: To determine the effect of anti-ischaemic drug therapy on long-term outcomes of asymptomatic patients without coronary artery disease (CAD) history but silent exercise ST-depression. METHODS AND RESULTS: In a randomized multicentre trial, 263 of 522 asymptomatic subjects without CAD but at least one CAD risk factor in whom silent ...
Sandhu Rasham - - 2007
This study was conducted to investigate the prevalence and severity of obstructive coronary artery disease (CAD) in 64 men and 38 women (mean age 71+/-9 years) with previous stroke and in 102 age- and gender-matched patients with similar coronary risk factors without previous stroke who underwent coronary angiography for chest ...
Haghi Dariusch - - 2007
BACKGROUND: Significant coronary artery disease (CAD) is generally considered as an exclusion criterion for the diagnosis of takotsubo cardiomyopathy (TC). However, this may not be justified in all cases, because TC and CAD may coincide. METHODS AND RESULTS: Among 821 consecutive patients who underwent urgent left heart catheterization for suspected ...
Balamuthusamy Saravanan - - 2007
To analyze sensitivity and specificity of cardiac troponin I (cTnI) in detecting obstructive coronary artery disease in African American population with renal insufficiency presenting with acute coronary syndrome. Retrospective analysis of 108 patients who underwent coronary angiography over a 3-year period in a single institution. A troponin I level of ...
Badran Hala Mahfouz - - 2007
BACKGROUND: Patients with left bundle branch block (LBBB) exhibit abnormal septal motion that may limit the interpretation of stress echocardiograms and persuade the results of myocardial scintigraphy. OBJECTIVES: We sought to analyze whether the use of tissue velocity imaging during graded dobutamine infusion is useful to identify and predict coronary ...
Nagpal Sangeeta - - 2007
Incidence of coronary artery disease (CAD) increases sharply after menopause in women. Rate pressure product (RPP) is a major determinant of cardiac oxygen consumption. It is an important indicator of ventricular function. RPP varies with exercise. The peak rate pressure product (PRPP) which gives an accurate reflection of the myocardial ...
Smolka G - - 2007
The prevalence of coronary artery disease (CAD) and acute coronary syndromes in patients with haemophilia is much lower than in general population and there is a lack of information regarding safe interventional or surgical treatment of CAD in haemophiliacs. This report presents a case of patient with moderate haemophilia A ...
Miszalski-Jamka Tomasz - - 2007
BACKGROUND: Myocardial contrast echocardiography (MCE) is a new imaging modality for diagnosing coronary artery disease (CAD). OBJECTIVE: The aim of our study was to evaluate feasibility of qualitative myocardial contrast replenishment (RP) assessment during supine bicycle stress MCE and find out cutoff values for such analysis, which could allow accurate ...
Movahed Mohammad-Reza - - 2007
Diabetes mellitus (DM) is an independent risk for cardiovascular disease. Furthermore, patients with DM have increased risk for ventricular arrhythmia that is thought to be secondary to coronary artery disease (CAD) or congestive heart failure (CHF). We hypothesized that DM may cause ventricular arrhythmias independent of CAD or CHF. Using ...
Chaowalit Nithima - - 2007
BACKGROUND: Paracrine effects of epicardial adipose tissue may promote coronary atherosclerosis. Adipose tissue is the main determinant of atrial septum thickness. The association between atrial septum thickness and coronary artery disease (CAD) has never been studied. METHODS: We studied 75 patients who underwent coronary angiography and echocardiography within 1 week ...
Schulz Olaf - - 2007
The aim of the study was to evaluate whether markers of myocardial injury and ischemia are helpful in detecting coronary artery disease (CAD) in patients with stable angina. Venous blood was obtained before and after a bicycle exercise test in 47 outpatients with suspected CAD for measurement of cardiac troponin ...
Celik Turgay - - 2008
Modulation of myocardial free fatty acid metabolism is the key target for metabolic interventions in patients with coronary artery disease (CAD) with diabetes mellitus (DM). Because of its beneficial effects on heart metabolism at rest and on myocardial ischemia and left ventricular function, trimetazidine should be always combined with classical ...
Lekakis John - - 2008
BACKGROUND: There is considerable research interest about the platelet GPIIb/IIIa receptor polymorphisms in CAD. METHODS: We investigated differences in the frequency of the polymorphism in the GPIIb subunit of the receptor HPA-3 (a and b allele) between patients with more extensive coronary thrombosis such as patients with ST segment elevation ...
Haapaniemi Susan - - 2007
To evaluate the cardiac demands of hunting deer, continuous ambulatory electrocardiograms were obtained in men with and without coronary artery disease (CAD) and compared with their responses to maximal treadmill testing. A volunteer sample of 25 middle-aged men (mean +/- SD 55 +/- 7 years of age), 17 of whom ...
Greco Tom P - - 2007
Antiphospholipid antibodies (aPL) have been implicated in the pathogenesis of coronary artery disease (CAD). We evaluated the presence of aPL in patients with chest pain/acute coronary syndromes (ACS) to determine if aPL were associated with the presence and severity of CAD, adverse outcomes, and other coronary risk factors. Patients with ...
Dorenkamp Marc - - 2007
During episodes of paroxysmal supraventricular tachycardia (PSVT), electrocardiograms frequently show ST-segment depressions, and patients may experience typical chest pain prompting invasive coronary angiography. We evaluated 114 patients presenting with PSVT for concomitant coronary artery disease (CAD). Patients were classified as to the type of PSVT, symptoms during PSVT, and cardiovascular ...
Elesber Ahmad A - - 2007
BACKGROUND: Coronary endothelial dysfunction (CED) and DHF are both associated with myocardial ischemia and CAD risk factors. The objective of the this study was to determine if CED and CAD factors are associated with diastolic dysfunction before the development of occlusive CAD or clinical heart failure. METHODS: Patients with normal ...
Guéant-Rodriguez R-M - - 2007
BACKGROUND: Elevated plasma homocysteine is a risk factor for coronary artery disease (CAD) and thromboembolic disorders that seems also to be associated with chronic heart failure. OBJECTIVE: To evaluate the association between homocysteine and left ventricular dysfunction and to assess whether it is independent of CAD. PATIENTS AND METHODS: A ...
Gapelyuk Andrej - - 2007
We studied the use of cardiac magnetic field mapping to detect patients with CAD without subjecting them to stress. Fifty-nine healthy control subjects and 101 patients with CAD without previous MI were included. The optimal positions for detecting CAD were located in the left superior parasternal and in the inferior ...
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