cerebral blood flow imaging
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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Measurement of Cerebral Blood Flow in Chronic Carotid Occlusive Disease: Comparison of Dynamic Susceptibility Contrast Perfusion MR Imaging with Positron Emission Tomography
... MR imaging is delay and dispersal of the bolus of contrast agent (5, 6, ...MR imaging versus PET CBF regression lines were the greatest (Fig 4A, Table ...matter flow variability, the pooled data ...
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Cerebral CT Perfusion Using an Interventional C Arm Imaging System: Cerebral Blood Flow Measurements
... perfusion imaging with the C-arm ...this imaging scheme and the associ- ated improvement in the temporal ...x-ray imaging started before the contrast injection, while positive signs indicate that the ...
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Lhermitte Duclos Disease: Assessment with MR Imaging, Positron Emission Tomography, Single photon Emission CT, and MR Spectroscopy
... and cerebral aqueduct with an obstructive hydrocephalus. Imaging findings strongly indicated ...MR imaging 1 year after surgery; the hydrocephalus was found to be regredient (Fig ...MR imaging ...
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Postoperative Evaluation of Moyamoya Disease with Perfusion Weighted MR Imaging: Initial Experience
... MR imaging or SPECT used a cerebral-to-cerebellar ratio or region- to-mean hemispheric blood volume to calculate re- gional cerebral blood flow (17, 26, ...territorial ...
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The Acetazolamide Challenge: Imaging Techniques Designed to Evaluate Cerebral Blood Flow Reserve
... On the basis of our experience, we defined three types of responses to an acetazolamide challenge: I, an increase in normal baseline flow values; II, an increase in focal or diffuse low [r] ...
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Normal Cerebral Blood Flow Volume in Healthy Nigerian Adults
... Numerous imaging modalities are available to accurately evaluate the cerebral blood ...and imaging studies such as stable xenon computer tomography and magnetic resonance imaging- based ...
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Theoretical Basis of Hemodynamic MR Imaging Techniques to Measure Cerebral Blood Volume, Cerebral Blood Flow, and Permeability
... cine imaging of a volume of interest while the contrast passes through the cap- illary ...rapid imaging sequences such as Cartesian or spiral echo-planar imaging ...
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A large, switchable optical clearing skull window for cerebrovascular imaging
... monitor cerebral blood flow and blood oxygenation by reflection imaging mode of LSCI and HSI, but also obtain fine cerebrovascular structure by ...the imaging procedure [18, 31]. ...
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Multimodality MR Imaging Depiction of Hemodynamic Changes and Cerebral Ischemia in Subarachnoid Hemorrhage
... of cerebral arteries, and it has been postulated that oxyhemoglobin in the subarachnoid space may interfere with the activity of nitric ...and/or blood flow are avail- ...quantifiable blood ...
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Quantitative assessment of brain perfusion with magnetic resonance imaging
... microvascular blood supply of brain tissue. blood sup- plies the tissue with oxygen and nutrients and removes waste ...pathologies blood supply is altered and therefore perfusion MrI can aid in the ...
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Imaging cerebral blood flow in interventional neuroradiology
... Thus, the choroidal arteries are no different than any other arteries of the subarachnoid space : their initial segments are extraaxial and their branches penetrate the brain to supply p[r] ...
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In vivo quantitation of regional cerebral blood flow in glioma and cerebral infarction: validation of the HIPDm SPECT method
... Equilibriumphase imaging and quantitation using single-photon emission computed tomographic SPECT scanning defined a distribution of HIPDm in proportion to regional cerebral blood flow r[r] ...
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Application of acute stroke imagingSelecting patients for revascularization therapy
... BBB⫽ blood–brain barrier; CBF ⫽ cerebral blood flow; CBV ⫽ cerebral blood volume; CTA ⫽ CT angiography; CTP ⫽ CT perfusion; DWI ⫽ diffusion-weighted imaging; ET ⫽ ...
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Imaging of the basal cerebral arteries and measurement of blood velocity in adults by using transcranial real time color flow Doppler sonography
... Imaging of the Basal Cerebral Arteries and Measurement of Blood Velocity in Adults by Using Transcranial Real-Time Color Flow Doppler Sonography.. Takashi Tsuchiya1 Masahiro Yasaka Taken[r] ...
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Neuroimaging markers of hemorrhagic risk with stroke reperfusion therapy
... ⫽ blood–brain barrier; CBF ⫽ cerebral blood flow; CBV ⫽ cerebral blood volume; DEFUSE ⫽ Diffusion and Perfusion Imaging Evaluation for Under- standing Stroke Evolution; ...
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Diagnostic value of alternative techniques to gadolinium-based contrast agents in MR neuroimaging—a comprehensive overview
... as cerebral blood flow (CBF) [22, ...vessel imaging, ASL is often compared against digital subtraction angiography ...the blood are labeled magnetically by exposure to a radio-fre- ...
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Critical care management of severe traumatic brain injury in adults
... solutions, as above or D10%W should be avoided in the first 24 to 48 hours, unless the patient develops hypogly- cemia in the absence of nutritional support. In addition to the detrimental effects of hyperglycemia in ...
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Cerebral Blood Flow in Coarctation of the Aorta
... If this were true, the femoral arterial versus internal jugular nitrous oxide curves as compared to the brachial arterial versus internal jugular curves would reveal factitial narrowing [r] ...
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Cerebral Blood Flow Studies in Stroke
... There was a release of free fatty acids and inorganic phosphate, as well as serotonin and norepinephrine, from the infarcted brain; thi s has now been con- firmed [r] ...
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