نتایج جستجو برای: coronary vessels
تعداد نتایج: 246534 فیلتر نتایج به سال:
Background and Aim: Despite the information regarding CAD risk factors, there isn't agreement between the relation of this risk factors and coronary artery diseases. This study was done for determination of related factors with vessels involved in coronary artery angiography. Materials and Methods: In this descriptive and analytical study, 2390 patients' .were selected via census sampling from...
Introduction: Diabetes mellitus, hypertension, hyperlipidemia and cigarette smoking are major coronary artery disease risk factors. This study was performed to detect the correlation between major coronary risk factors and the number of diseased vessels in coronary angiography. Methods: This descriptive study was performed on 196 patients with coronary artery disease who underwent coronary ang...
Introduction: Multiple coronary artery aneurysm is a rare anomaly which could be congenital or acquired. Its complications including sudden cardiac death, clot and distal emboli, rupture and bleeding or fistula. Decision about its management depends on aneurysm conditions and the Patient's clinical situation Case Report: A 55 years old patient with unstable angina and multiple coronary ar...
Direct effects of adrenergic stimuli on coronary vessels in dogs were compared with effects on vessels to skin (hind paw) and skeletal muscle (gracilis muscle) after intravenous administration of practolol (2 mg/kg), a selective myocardial beta receptor blocker which minimized indirect effects of myocardial stimulation on coronary vascular resistance. The left circumflex coronary, cranial tibia...
background: serum n-terminal pro-brain natriuretic peptide (nt-probnp), a polypeptide secreted by ventricular myocytes in response to stretch, was suggested as a predictor of adverse prognosis of the acute coronary syndrome (acs). we examined the association between nt-probnp level and angiographic findings in acs patients to determine whether it could be used as a predictor of the severity of ...
Background Dynamic gadolinium contrast-enhanced (DCE) vessel wall MRI has recently been used to compute a set of model-based contrast kinetic parameters (e.g. K and Vp) that can well characterize the extent of inflammation in carotid plaques [1,2]. However, no studies have shown its feasibility in coronary artery wall, presumably due to the technical challenges in imaging such a constantly-movi...
PURPOSE To quantitatively assess the performance and reproducibility of 3D spiral coronary artery wall imaging with beat-to-beat respiratory-motion-correction (B2B-RMC) compared to navigator gated 2D spiral and turbo-spin-echo (TSE) acquisitions. MATERIALS AND METHODS High-resolution (0.7 × 0.7 mm) cross-sectional right coronary wall acquisitions were performed in 10 subjects using four techn...
Tako-Tsubo cardiomyopathy (TTC) is an acute reversible cause of segmental myocardial dysfunction that is poorly understood and cannot be explained by the occlusion of a single coronary vessel. Its clinical presentation is similar to that of acute coronary syndrome and is often precipitated by a severe psychological or physical stress.
Introduction: Galectin-3 is known as a biomarker in patients with heart failure. This protein participates in different mechanisms involved in atherosclerosis including inflammation and plaque formation. This study was conducted to investigate whether this factor could be a predictive biomarker for the severity of atherosclerosis. Materials and Methods: The study group consisted of 80 patients ...
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