regional cerebral blood flow changes
Plasma viscosity changes during haemodilution therapy of cerebral ischaemia
... small blood vessels by 50% and increases total peripheral resistance by 75% (Schmid-Schonbein, ...ith changes in p l a s m a viscosity through compensatory changes in vascular ...but cerebral ...
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Involvement of calcitonin gene-related peptide in migraine: regional cerebral blood flow and blood flow velocity in migraine patients
... to blood pressure changes to a much lesser extent than arterioles (for review, see ...between changes in MCA and changes in MABP seems to support this ...min, blood pressure was ...
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Distribution of regional cerebral blood flow in voluntarily diving rats
... bradycardia. These tracer distribution times were chosen on the basis of arterial radioisotope-dilution curves that have previously been determined in conscious rats (Lin and Baker, 1975). Lin and Baker (1975) determined ...
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Effects of continuous prostacyclin infusion on regional blood flow and cerebral vasospasm following subarachnoid haemorrhage: statistical analysis plan for a randomized controlled trial
... is changes in cerebral blood flow measured by a computed tomography (CT) perfusion ...angiography, regional blood flow, clinical symptoms of cerebral ischemia, and ...
5
Changes in cerebral blood flow after cognitive behavior therapy in patients with panic disorder: a SPECT study
... image, in which each voxel has the probability of belonging to a specific VOI. After spatial normalization, the counts of each SPECT image were normalized using proportional scaling, with the mean counts of the ...
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The use of laser speckle contrast imaging in clinical applications
... An essential task in the examination of the transferred tissue is to assess the neovascularization. LSCI is a minimal-invasive method to visualize the blood flow of superficial or uncovered vasculature. ...
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Stable xenon CT cerebral blood flow imaging: rationale for and role in clinical decision making
... Regional cerebral blood flow determination by computed tomography and xenon gas inhalation after severe head injury: report of 2 cases.. Cerebral perfusion pressure: link between intracr[r] ...
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Cerebral Blood Flow
... cerebral blood flow in small preterm infants with patent ductus arteriosus, abstracted. Presented at the Annual Meet- ing of the Americdn Academy of Pediatrics, New York, October 1982[r] ...
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Cerebro afferent vessel and pupillary basal diameter variation induced by stomatognathic trigeminal proprioception: a case report
... bral blood flow of voluntary chewing and of regional increases in brain neural activity, but the examinations described in the present case report show that the pro- prioceptive intensity during ...
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Cerebral Blood Flow Changes after Endovascular Treatment of Cerebrovascular Stenoses
... Before the procedure, all patients were premedicated at least 72 hours with aspirin 325 mg and clopidogrel 75 mg. A transfemoral approach was used in all cases (14). After diag- nostic angiography, systemic ...
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Developmental Changes of Cerebral Blood Flow and Oxygen Metabolism in Children
... the cerebral cortex; at 1 to 4 years of age, rCBF in the occipital lobe was prominent; and over 5 years of age, rCBF was most prominent in the frontal lobe and was similar to that of an adult pat- ...primary ...
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Reduced hypothalamic blood flow after radiation treatment of nasopharyngeal cancer: SPECT studies in 34 patients
... To determine the effect of cranial irradiation on hypothalamic blood flow, we performed 44 regional cerebral blood flow studies with 99 mTc hexamethyl propyleneamine oxime HMPAO single-p[r] ...
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Simple Assessment of Cerebral Hemodynamics Using Single Slab 3D Time of Flight MR Angiography in Patients with Cervical Internal Carotid Artery Steno Occlusive Diseases: Comparison with Quantitative Perfusion Single Photon Emission CT
... high cost and limited availability. In addition, acetazolamide is associated with a variety of frequent adverse effects, including metabolic acidosis, hypokalemia, numbness of the extremi- ties, headache, tinnitus, ...
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Role of Perfusion CT in Glioma Grading and Comparison with Conventional MR Imaging Features
... elevated blood volume (nCBV ⫽ 2.61). C, CBF map showing increased blood flow (nCBF ⫽ ...increased blood volume/blood flow on the CBV/CBF maps and the areas of gadolinium ...
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Reactivity of the middle cerebral artery to carbon dioxide
... systolic blood pressure less than 90 mmHg, sudden reductions in systolic blood pressure of >20 mmHg, sudden decrease in heart rate or heart rate less than 30 bpm and symptoms suggestive of impending ...
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Pathogenesis of Gilles de la Tourette syndrome: Clues from clinical phenotypes
... The finding that familial OCD probands shared a similar OC symptom profile to that of GTS probands suggest that, within OCD cases, there are aetiologically distinct subgroups. If this finding is replicated in a larger ...
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Clinical Value of Hybrid TOF PET/MR Imaging–Based Multiparametric Imaging in Localizing Seizure Focus in Patients with MRI Negative Temporal Lobe Epilepsy
... and cerebral blood flow, receiver operating characteristic analysis and a logistic regression model were used to evaluate the predictive value for the ...and cerebral blood flow, as well as the ...
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Internal carotid balloon test occlusion does require quantitative CBF
... Reply We agree with Yonas et al that quantification of regional cerebral blood flow rCBF probably would increase the specificity of Tc-99m HMPAO cerebral perfusion SPECT and internal car[r] ...
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Mri Based Quantification of Global Cerebral Metabolism
... the blood vessels form a random network of cylinders so that a statistical approach can be used to approximate the signal ...dominant blood vessel, such as a pial vein or dural venous ...the cerebral ...
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Quantification of Cerebral Blood Flow and Oxidative Metabolism in Infants with Post-Hemorrhagic Ventricular Dilatation
... A number of potential causes have been proposed to explain PHVD. First is the blocking of cerebral aqueducts or interventricular foramina by blood clots. 36 Alternately, fibrosis of the ependymal lining ...
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