نتایج جستجو برای: coronary artery stenosis
تعداد نتایج: 346871 فیلتر نتایج به سال:
We aimed to investigate the significance of microalbuminuria and its relationship with subclinical atherosclerosis in nonhypertensive and nondiabetic patients, by using coronary artery computed tomography (CT). A total of 1,318 nonhypertensive and nondiabetic subjects who had taken coronary artery CT and measured spot urine albumin to creatinine ratio (UACR) were evaluated. The atherosclerotic ...
Introduction: Coronary artery disease secondary to atherosclerosis is the most common cause of mortality. Coronary angiography is the most precise method for determining the extent of disease in the coronary vascular bed. Arterial stiffness has been proposed as a marker of atherosclerosis in some studies. One of the noninvasive methods for the determination of arterial stiffness is Doppler echo...
INTRODUCTION Combined endovascular interventions on carotid and coronary arteries are rare. Stenting of the unprotected coronary left main stem is a high risk procedure. We presented hemodynamically unstable patient with combined carotid artery and left main stem coronary artery stenting. CASE REPORT A 78-year-old female patient was admitted to our institution for right carotid endaterectomy....
BACKGROUND Significant left main coronary artery stenosis is an accepted indication for surgical revascularization. The potential of angiography to evaluate the hemodynamic severity of a stenosis is limited. The aims of the present study were to assess the long-term clinical outcome of patients with an angiographically equivocal left main coronary artery stenosis in whom the revascularization s...
cor triatriatum sinistrum is a rare congenital cardiac malformation, accounting for about 0.1-0.4% of all congenital heart diseases and characterized by the presence of a fibromuscular membrane that subdivides the left atrium into two chambers in the classical form. while classic cor triatriatum in most patients can be observed during the neonatal period or early infancy, it is very rare in a...
A rare clinical variant of angina manifestation as part the coronary steal syndrome in a patient with prior bilateral artery bypass grafting and subtotal brachiocephalic trunk stenosis is considered.
BACKGROUND Coronary artery calcium score (CCS) is a quantitative assessment of calcifications detectable by multidetector computed tomography (MDCT). AIM To evaluate diagnostic accuracy of CCS to detect significant stenosis in coronary arteries in symptomatic patients. METHODS The study population included consecutive symptomatic patients with suspected coronary artery disease (CAD) who wer...
Detection of coronary artery disease by thallium scintigraphy in patients with valvar heart disease.
In patients with valvar heart disease detection of coronary artery disease by conventional non-invasive methods may be difficult. The usefulness of thallium-201 exercise scintigraphy for detecting coronary artery disease was evaluated in 16 patients with aortic stenosis, 17 with aortic regurgitation, nine with mitral stenosis, and six with mitral regurgitation who were investigated by coronary ...
OBJECTIVES To compare the accuracy of dobutamine stress echocardiography (DSE) and simultaneous 99mTc sestamibi (MIBI) single-photon emission CT (SPECT) imaging for the diagnosis of coronary artery stenosis in women. PATIENTS Seventy women with limited exercise capacity referred for evaluation of myocardial ischemia. METHODS DSE (up to 40 microg/kg/min) was performed in conjunction with str...
Background Our study compares the effect of acute proximal stenosis of a coronary artery supplying a myocardial perfusion bed with that of stenosis of an adjacent artery resulting in collateral flow diversion supplied by the same perfusion bed. These alterations in coronary physiology were quantified by digital angiographic impulse response analysis of contrast material mean transit time for th...
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