نتایج جستجو برای: carotid arteries

تعداد نتایج: 94453  

Journal: :Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences 2003
M Komiyama

SUMMARY The purpose of this literature review is to disclose the relationship between the temporal profile of steno-occlusive changes in the cerebral arteries in moyamoya disease and the embryological evolution of the cerebral arteries. Steno-occlusive changes and progression occur in the sequence of embryological evolution of the primitive internal carotid artery in the early embryological sta...

2016

ABST RACT This study was aimed at determining the vascular structure of the brain base arteries in the sparrowhawk. For this purpose, ten hawks were used. Latex injection method was applied to the materials. After careful dissection, the brain base arteries were investigated. The right and left internal carotid arteries were present in all of the samples. The cerebral carotid arteries were loca...

Journal: :Medical History 1967
F. N. L. Poynter

bifurcation of the carotid artery (carotid sinus) may provoke reflex bradycardia, fall of blood pressure and fainting.8 Hippocrates, Galen and Mattheus Curtius also observed that it was not the compression of the arteries in the neck, but of their bifurcation (carotid sinus) that might induce fainting or sleep. I therefore agree with the suggestion of Balourdas that ifthe old Greek physicians o...

A Shamsizadeh E Hakimizadeh H Rezazadeh M Allahtavakoli M Mobini S Amir-Esmaili V Ehsani

Background & Aims: Ischemic postconditioning, conducted by a series of brief occlusion and release of the bilateral common carotid arteries, has neuroprotective properties in permanent or transient models of middle cerebral artery (MCA) occlusion but its delayed neuroprotective effects in the embolic model of stroke, especially in female rat, have not yet been reported and were investigated ...

Journal: :The Journal of surgical research 2003
Peter H Lin Nicolas A Chronos Monique M Marijianowski Changyi Chen Brian Conklin Ruth L Bush Alan B Lumsden Stephen R Hanson

PURPOSE This study evaluates the effect of heparin-coated balloon-expandable stents on intimal hyperplasia following carotid artery stenting in a baboon model. MATERIALS AND METHODS Balloon-expandable (Palmaz-Schatz) stents were placed in bilateral common carotid arteries in 26 male baboons (mean weight: 11.3 kg). In each animal, a heparin-coated (HC) carotid stent was placed on one side, whe...

Journal: :arya atherosclerosis 0
hamidreza roohafza masoumeh sadeghi hamid afshar ghafor mousavi abbas attari nafiseh toghianifar

abstract introduction: anxiety is associated with a higher risk of cardiovascular disease. the present study aims to assess the extent of carotid artery atherosclerosis in patients with and without anxiety disorder. methods: in a cross-sectional study, two groups of participants with and without anxiety disorder (40 and 80 subjects, respectively) according to dsm-iv were selected from the psych...

J.e McGRATH, M MOHAMMADI NAGHADEH,

Some large vessels have a mixed functional population of postjunctional α1- and α 2-adrenoceptors. The purpose of the work presented here was to investigate the population of postjunctional α -adrenoceptors in the rat isolated common carotid artelY Male Wi star rats were killed by overdose with pentobarbitone sodium, after which the left and right common carotid arteries were removed. Rings...

J.e. McGRATH, M MOHAMMADI NAGHADEH,

In this study we investigated the effects of endothelium removal and L-NAME on responses to α-adrenoceptor agonists. Male Wistar rats were killed by overdose with pentobarbitone sodium, after which the left and right common carotid arteries were removed. Rings of arteries 3-4 mm in length were cut from each vessel and then mounted in 10 mL isolated organ bath, bathed in Krebs maintained at ...

Journal: :Kardiologia polska 2013
Agnieszka M Mirek Anna Wolińska-Welcz

BACKGROUND The lumen diameter (LD) of the extracranial carotid arteries determined by B-mode ultrasound has been provedto be associated with most atherosclerotic risk factors and cardiovascular events. This raises the question as to whether LDmay also predict coronary artery disease. AIM To elucidate whether LD of the common carotid and/or femoral artery could be a clinically useful marker of...

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