نتایج جستجو برای: carotid
تعداد نتایج: 50492 فیلتر نتایج به سال:
Introduction: Atherosclerotic stenosis of carotid territory is the most common cause of ischemic stroke. A higher frequency of intracranial arterial stenosis has been reported in Africa and the Far East. Methods: 304 geriatric ischemic stroke patients admitted in Mackenzie hospital, Canada and the same number of geriatric ischemic stroke patients with similar sex ratio admitted in Valie-Asr ho...
Since it is too vital to the prevention of carotid disease in the vascular system, it seems necessary to the estimation of the elastic behavior of the carotid artery in head and neck external radiotherapy. In the present study, a total of 24 neck carcinoma patients treated with external radiotherapy had been studied. The carotid mean dose values were determined for each case by contouring the c...
introduction: prevalence of stroke following coronary artery bypass graft surgery (cabg) is % 2.1-5.2 and associated with high mortality. the purpose of this study was to investigate the prevalence of carotid artery disease in patients undergoing cabg surgery. methods: this cross-sectional study was performed in the years 2010-2011 on 192 patients who underwent open heart surgery (cabg) in ima...
introduction: doppler ultrasonography (dus) is the most preferable method for screening of carotid artery disease in patients undergoing cabg. the purpose of this study was to investigate the frequency of carotid artery disease and determine the relation between known risk factors of atherosclerosis and rate of carotid artery narrowing in order to identify high-risk groups among patients schedu...
Background: In many studies, Serum lipoprotein(a) [Lp(a)] levels considered as an independent risk factor for atherosclerosis. The aim of this study was to assess the association between Lp(a) and cervical carotid artery stenosis in one sample the Iranian population. Methods: As a cross sectional study, between June 2004 and January 2005, at Tehran Heart Center, 1189 candidates for any kind of...
background the behcet disease is a multisystemic disease with involvement of vessels. objectives our aim is to evaluate the frequency of carotid artery disease in asymptomatic carotid artery involvement in patients with behcet disease and compare the results with a control group. patients and methods fifty patients with behcet disease who were asymptomatic for any vascular involvement and 50 he...
our aim was to report techniques and our experience in one-stage angioplasty and stenting of ostium of left common carotid and left internal carotid arteries in an octogenarian man with transient ischemic attack, who was completely recovered from neurologic insults short time after the procedure. an 81-year-old man presented with a transient ischemic attack. neurologic examination showed left s...
a 4-month-old boy was admitted to our hospital following an unsuccessful attempt at interventional repair of aortic coarctation via the right carotid artery, which seemed to have given rise to the formation and growth of a cervical mass overlying the entry site. despite the initial anticipation of difficulty during intubation due to the pressure effect of the mass, anesthesia progressed unevent...
background: radial movement of the arterial wall is a well-known indicator of the mechanical properties of arteries in arterial disease examinations. in the present study, two different motion estimation methods, based on the block-matching and maximum-gradient algorithms, were examined to extract the radial displacement of the carotid artery wall. methods: each program was separately implement...
Introduction: Nitroglycerin is a fast-acting drug that rapidly dilates coronary arteries and thus increases blood flow to these vessels, and increases the blood flow through the lateral vessels to low blood areas. It also reduces both end diastolic pressure and volume of the left ventricular. However, the effect of nitroglycerin on the circulation hemodynamic is not known. Caro...
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