نتایج جستجو برای: cerebral perfusion
تعداد نتایج: 223452 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE Color-coded perfusion maps can be calculated from ultrasound harmonic gray-scale imaging data after ultrasound contrast agent bolus injection to analyze brain tissue perfusion. First reports indicate that this method can display cerebral perfusion deficits in acute ischemic stroke. We performed a prospective patient study to evaluate this approach. METHODS Thirty consec...
Functional imaging studies in patients with Sydenhams chorea have suggested brain perfusional abnormalities. In this study, we aimed to investigate the cerebral perfusion patterns of the cortical/subcortical structures by using Tc-99m hexamethylpropylenamine oxime single photon emission computed tomography in children with Sydenhams chorea, accompanied with magnetic resonance imaging and crania...
BACKGROUND The aim of this study was to show the applications of cerebral blood flow SPECT scanning in forensic medicine using four cases: two suspects and two victims of crime. MATERIAL AND METHODS Cerebral blood flow studies were performed with the use of (99m)Tc-ECD and a triple head gammacamera. Qualitative and quantitative analysis was performed, utilising an asymmetry index for unilater...
Laser speckle flowgraphy (LSFG) is an ophthalmologic equipment that qualitatively detects the blood flow of the optic nerve head, which is known to be related with cerebral microcirculation. LSFG can also measure the mean blur rate, which quantitatively calculates the blood flow. We aimed to assess the utility of LSFG in the evaluation of cerebral perfusion during aortic surgery under hypotherm...
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