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Friday, May 8, 2020 | History

3 edition of Cerebral blood flow measurement with stable xenon-enhanced computed tomography found in the catalog.

Cerebral blood flow measurement with stable xenon-enhanced computed tomography

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  • 8 Currently reading

Published by Raven Press in New York .
Written in English

    Subjects:
  • Cerebrovascular disease -- Tomography -- Congresses.,
  • Blood flow -- Measurement -- Congresses.,
  • Brain -- Blood-vessels -- Tomography -- Congresses.,
  • Cerebral circulation -- Congresses.,
  • Xenon -- Diagnostic use -- Congresses.,
  • Cerebrovascular Circulation -- physiology -- congresses.,
  • Cerebrovascular Disorders -- physiopathology -- congresses.,
  • Tomography, X-Ray Computed -- methods -- congresses.,
  • Xenon -- diagnostic use -- congresses.

  • Edition Notes

    Statementeditor, Howard Yonas.
    ContributionsYonas, Howard., International Conference on Xe/CT CBF (1st : 1990 : Orlando, Fla.)
    Classifications
    LC ClassificationsRC388.5 .C373 1992
    The Physical Object
    Paginationxxiv, 327 p. :
    Number of Pages327
    ID Numbers
    Open LibraryOL1549221M
    ISBN 100881678538
    LC Control Number91028790

    Xenon-enhanced computed tomography (Xe/ CT) cerebral blood flow (CBF) is a method initially developed in the late s, which is based on the properties of xenon gas as a contrast agent and on the principle that the rate of uptake and clearance of xenon is proportional to blood flow Cited by: Measurement of Cerebral Blood Flow Using 15O-Labeled Water and Positron Emission Tomography with Special Attention to the Volume of Distribution of Radiowater.- Measurement of Cerebral Blood Flow, Blood Volume, and Oxygen Utilization in Patients with Extracranial Vascular Disease

    Xenon-enhanced computed tomography was performed on 39 days on average after stroke onset. Regions of interest were in the cerebral cortices, putamen and thalamus, and CBF values were statistically compared with the functional independence measure (FIM). Furthermore, we performed a multivariate analysis for predictive abcdfestivalgoa.com by: 2. When the lateral striate arteries of the baboon are temporarily occluded for either 20 or 60 minutes, a near-cessation of blood flow is followed by a dramatic, transient local increase in blood flow values. These findings are evident from serial xenon (Xe)-computerized tomography (CT) measurement of cerebral blood flow (CBF).Cited by:

    Dec 01,  · Stable xenon-enhanced X-ray computed tomography (XeCT) was used to measure the regional cerebral blood flow (rCBF) of 12 patients with drug resistant partial epilepsy and a marked unilateral focus on electroencephalography (EEG). Interictal mean rCBF of fixed regions of interest (ROIs) was reduced by 25% in the cortex of the epileptogenic cerebral lobe compared with the same Cited by: fort to identify these changes in cerebral hemodynamics, regional and global cerebral blood flow (CBP) and CO2 reactivity were measured using stable xenon-enhanced computed tomography (Xe/CT) in 24 patients within 72 h of onset of severe hepatic encephalopathy. Regional vari­ ations in CBP, most notably, a relative decrease in CBP.


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Cerebral blood flow measurement with stable xenon-enhanced computed tomography Download PDF EPUB FB2

If the address matches an existing account you will receive an email with instructions to reset your passwordAuthor: Pearse Morris. Cerebral blood flow measured by xenon- enhanced computed tomography as a guide to management of patients with cerebrovascular disease Cerebral blood flow measured by xenon- enhanced computed tomography as a guide to management of patients with.

Considers the current status of cerebral blood flow measurement with stable xenon-enhanced computed tomography (Xe/CT). This text explains the theory and methodology of this blood flow measurement technique, discusses key aspects of data analysis and presents normative cerebral blood flow values.

Cerebral blood flow measured by xenon-enhanced computed tomography as a guide to management of patients with cerebrovascular disease * Presented at the Thirty-ninth Annual Meeting of the Society for Vascular Surgery, Baltimore, Md., JuneCited by: 9.

Local cerebral blood flow was measured and mapped using xenon-enhanced x-ray transmission computed tomography. Studies involving minutes of xenon-oxygen inhalation can be performed routinely in awake and anesthetized patients with acceptable patient tolerance and abcdfestivalgoa.com by: Xenon-enhanced CT (XeCT) is a method of measuring regional cerebral blood flow (rCBF).

Although it is used for acute and perioperative assessment the ability of XeCT to show hypoperfused areas in vivo, as compared with morphological imaging modalities other than noncontrast CT, is not abcdfestivalgoa.com by: 1.

Drayer BP, Wolfson SK Jr, Reinmuth OM, Dujovny M, Boehnke M, Cooke EE () Xenon enhanced computed tomography for the analysis of cerebral integrity, perfusion and blood abcdfestivalgoa.com by: Comparison of Single-Photon Emission Computed Tomography with [I]Iodoamphetamine and Xenon-Enhanced Computed Tomography for Assessing Regional Cerebral Blood Flow.

Apr 05,  · STABLE XENON-ENHANCED COMPUTED TOMOGRAPHY • Since the arterial Xe concentration can also be indirectly determined from measurement of the end- expiratory Xe concentration, CBF values can be computed on a pixel-by-pixel basis by use of the equilibrating (diffusible) indicator model.

Noninvasive Measurement of Cerebral Blood Flow and Blood Oxygenation Using Near-Infrared and Diffuse Correlation Spectroscopies in Critically Brain-Injured Adults stable xenon-enhanced CT.

In Yonas H. Effect of xenon-induced flow activation on xenon-enhanced computed tomography cerebral blood flow calculations. J Cereb Blood Flow Metab Cited by: Lerch K.D., Holl K., Samii M. () Noninvasive Measurement of Local Cerebral Blood Flow (nl-CBF) with Stable Xenon Enhanced Dynamic CT - Description of Method and Analysis of Flow Data.

In: Wenker H., Klinger M., Brock M., Reuter F. (eds) Spinal Cord Tumors Experimental Neurosurgery Neurosurgical Intensive abcdfestivalgoa.com: K. Lerch, K. Holl, M. Samii. Stringer WA, Marion DW, Bouma GJ, Muizelaar JP, Braun IF, Fatouros PP, Marmarou A () Correlation of xenon and stable xenon-enhanced computed tomographic cerebral blood flow measurements in patients with severe head injury.

In: Yonas H (ed) Cerebral blood flow measurement with stable xenon-enhanced computed abcdfestivalgoa.com by: The Use of Xenon/CT Cerebral Blood Flow Studies in Acute Stroke.

Authors; Authors and affiliations Gur D, Claassen D, Wolfson SK, Moossy J. Stable xenon enhanced computed tomography in the study of clinical and pathologic correlates of focal ischemia in baboons.

Thompson J. Xenon computed tomography measuring cerebral blood flow in the Author: Howard Yonas. This work provides a comprehensive review of the stable xenon/computed tomography cerebral blood flow method. It presents an overview of how xenon/CT information is now being clinically utilized in over sites around the world to guide clinical decision making.

Abbreviations used: CT, computed tomography; sXe, stable xenon; Xe/CT, xenon-enhanced computed tomography; Xe, radioactive xe­ non. time-varying blood flow activation, In contrast to the peak 35% increase in blood t10w velocity during sXe inhalation, a stan­ dard analysis of the flow-varying synthetic curves revealed only.

Middle Cerebral Artery Blood Flow Velocity and Stable Xenon-Enhanced Computed Tomographic Blood Flow During Balloon Test Occlusion of the Internal Carotid Artery. Andrew Kofke, Patric Brauer, Raymond Policare, Susan Penthany, David Barker, and ; Joseph HortonCited by: Stable xenon-enhanced X-ray computed tomography (XeCT) was used to measure the regional cerebral blood flow (rCBF) of 12 patients with drug resistant partial epilepsy and a marked unilateral focus on electroencephalography (EEG).Cited by: Stable Xenon Does Not Increase Intracranial Pressure in Primates with Freeze-Injury-Induced Intracranial Hypertension Article (PDF Available) in Journal of Cerebral Blood Flow & Metabolism 11(3.

Using a bedside Xenon enhanced computerized tomography (Xenon-CT) scanner makes it possible to measure quantitative regional Cerebral blood flow (CBF) bedside in the neurointensive care setting and intracerebral microdialysis (MD) is a method that offers the possibility to monitor the metabolic state of the brain abcdfestivalgoa.com by: Comparison of Cerebral Blood Flow Between Perfusion Computed Tomography and Xenon-Enhanced Computed Tomography for Normal Subjects Journal of Computer Assisted Tomography, Vol.

29, No. 2 Quantitative Multilevel Mapping of Hepatic Blood Flow by Xenon Computed Tomography Using AortaCited by:. Computer simulations of stable xenon ( sXe) uptake curves were used to evaluate the effect of xenon-induced flow activation on CBF calculations by xenon-enhanced computed tomography, Estimates of flow activation were based on repeated transcranial Doppler measurements of blood velocity during 4,5 minutes of sXe inhalation, The synthetic curves were Cited by: Increases in cardiac output can reverse flow deficits from vasospasm independent of blood pressure: a study using xenon computed tomographic measurement of cerebral blood flow Joseph M, Ziadi S.The Paperback of the Cerebral Blood Flow and Metabolism Measurement by A.

Hartmann at Barnes & Noble. FREE Shipping on $35 or more! B&N Outlet Membership Educators Author: A. Hartmann.