نتایج جستجو برای: Middle Cerebral Artery

تعداد نتایج: 509311  

Journal: :international journal of reproductive biomedicine 0
zahra fardiazar simin atashkhouei yousef yosefzad mohamad goldust reza torab

background: fetal color doppler is important for evaluation of hypoxia in intrauterine growth restriction (iugr) fetus. objective: in this study we compare fetal and maternal color doppler with blood gas analysis to detect fetal acidosis. materials and methods: in this cross-sectional study we evaluated 100 hospitalized patients with iugr for comparison of color doppler results with arterial bl...

Hossein Ali Ebrahimi, Shirin Jabbarpour, Behnaz Sedighi, Kaveh Shafiee,

Background: An imbalance of the cerebrovascular response during functional activation of the brain has been postulated as a factor in the pathophysiology of migraine. The purpose of this study was to determine the transcranial doppler sonography (TDS) diagnostic value for the cerebral flow velocity changes in the interictal phase of classic migraine. Methods: This study was carried out on 46 pa...

Journal: :caspian journal of internal medicine 0
behnaz sedighi hossein ali ebrahimi shirin jabbarpour kaveh shafiee

background: an imbalance of the cerebrovascular response during functional activation of the brain has been postulated as a factor in the pathophysiology of migraine. the purpose of this study was to determine the transcranial doppler sonography (tds) diagnostic value for the cerebral flow velocity changes in the interictal phase of classic migraine. methods: this study was carried out on 46 pa...

بیگدلی, محمد رضا, رهنما, مهدی,

Background and Objective: Recent studies suggest that sub-lethal ischemia protect the brain from subsequent ischemic injuries. This study was an effort to identify and shed light on the nature of changes in the blood brain barrier permeability and brain edema. Materials and Methods: Rats were divided into four main experimental groups, each of 21 animals. The first group acted as a model of isc...

Journal: :iranian journal of neurology 0
mazyar hashemilar neurosciences research center (nsrc), student research committee, tabriz university of medical sciences, tabriz, iran. mehdi farhoudi neurosciences research center (nsrc), student research committee, tabriz university of medical sciences, tabriz, iran samane hosseini neurosciences research center (nsrc), student research committee, tabriz university of medical sciences, tabriz, iran hanieh moshayedi neurosciences research center (nsrc), student research committee, tabriz university of medical sciences, tabriz, iran dariush savadi oskoui neurosciences research center (nsrc), student research committee, tabriz university of medical sciences, tabriz, iran behzad eskandar oghli neurosciences research center (nsrc), student research committee, tabriz university of medical sciences, tabriz, iran

background: in patients with acute stroke and middle cerebral artery (mca) stenosis, microembolic signals (mes) can predict further cerebral ischemia. therefore, this study was designed to evaluate the prevalence of mes by transcranial doppler (tcd) in patients with mca stenosis under treatment of aspirin or clopidogrel. methods: a randomized clinical trial was performed on 40 patients with acu...

Journal: :thrita 0
masoumeh faezi department of physiology, faculty of biological sciences, shahid beheshti university, g.c., tehran, ir iran mohammad reza bigdeli department of physiology, faculty of biological sciences, shahid beheshti university, g.c., tehran, ir iran; department of physiology, faculty of biological sciences, shahid beheshti university, g.c., tehran, ir iran. tel: +98-2129902731, fax: +98-2122431664

objectives in this study, we aimed to investigate the changes in brain lipidomics following prolonged and intermittent ischemic preconditioning. materials and methods two groups underwent bilateral common carotid artery occlusion either intermittently (for 3 continuous periods within a timeframe of 20 minutes, releasing 3 consecutive times, yielding a total of 9 minutes (intermittent bilateral ...

Journal: :iranian journal of neurology 0
abdolhamid shariat shiraz neuroscience research center and clinical neurology research center and department of neurology, shiraz university of medical sciences, ‎shiraz, iran leila niknam clinical neurology research center and department of neurology, shiraz university of medical sciences, shiraz, iran sadegh izadi clinical neurology research center and department of neurology, shiraz university of medical sciences, shiraz, iran alireza salehi department of epidemiology, school of health, shiraz university of medical sciences, shiraz, iran

background: the aim of this study is to determine the frequency of intracranial artery stenosis in patients with acute ischemic stroke in iran. methods: a total of 169 patients with acute ischemic stroke were eligible to participate and were enrolled in this study from january 2012 to february 2013. all the patients were admitted to the nemazee ‎hospital, affiliated to shiraz university of medi...

Journal: :Stroke 1989
L M Brass D L Duterte J P Mohr

Transcranial Doppler ultrasonography can map the changes in blood velocity that result from stenosis or occlusion of the middle cerebral artery. To evaluate patterns of collateral blood flow in disease of the middle cerebral artery stem, we used both cerebral angiography and transcranial Doppler ultrasonography to study the systolic blood velocities in both anterior cerebral arteries in 10 cons...

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