نتایج جستجو برای: middle cerebral artery
تعداد نتایج: 509311 فیلتر نتایج به سال:
Objective: Most large-vessel occlusions (LVOs) amenable to acute recanalization occur in the internal carotid or middle cerebral artery. However, few LVOs with a multivessel disease can be difficult treat. This study aimed determine outcomes of mechanical thrombectomy patients both anterior and artery occlusions.
BACKGROUND AND PURPOSE Many patient monitoring techniques have been used for detecting cerebral hypoperfusion during carotid endarterectomy. We compared middle cerebral artery blood flow velocities with carotid artery stump pressures to evaluate the indications for common carotid artery cross-clamp shunting and the probable hemodynamic causes of cerebrovascular complications. METHODS Blood fl...
Introduction: Cerebral ischemia is one of the most common causes of death in human populations in the industrial communities. The need for animal models is inevitable to study the pathophysiology and treatment of cerebral ischemia in human. The current study aimed at evaluating the strengths and weaknesses of different techniques used to create ischemia in previous studies and optimizing the tr...
BACKGROUND AND PURPOSE The aim of this study was to record and analyze the anatomy of the middle cerebral artery in the rat in an attempt to identify a potential source of variation of quantitative infarct measurements in commonly used models of focal cerebral ischemia. METHODS Over a period of 22 months, as part of ongoing studies, we routinely induced focal cerebral ischemia in 263 Sprague-...
BACKGROUND AND PURPOSE [18F]-fluoroacetate ((18)F-FACE) can be used for evaluating glial cell metabolism. Experimental studies have shown an increase in (18)F-FACE uptake in rodent models of cerebral ischemia. The aim of this study was to determine whether (18)F-FACE uptake is increased in the noninfarcted cerebral cortex in patients with hemodynamic ischemia owing to atherosclerotic internal c...
Purpose: The circle of willis is responsible for blood supply of brain, which may suffer from anatomical variations. These disturbances can lead to aneurysm or even arterial rupture. The purpose of this study was to evaluate the anatomical structure of the cerebral arteries forming the circle of willis in adult cadavers. Also, cerebral versus non- cerebral versus non-cerebral arterial walls wer...
The intact omentum of 13 monkeys was lengthened, placed subcutaneously, and laid on the left cerebral hemisphere prior to occluding the left middle cerebral artery. Two of these 13 monkeys developed left cerebral infarct and a right hemiparesis. Nine other monkeys had their left middle cerebral artery occluded without omental protection. All of these 9 developed a left cerebral infarct and 8 of...
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