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As an added advantage, there is a more complete coverage of the brain and no ionizing radiation.

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Search for related content. Importance of hemodynamic factors in the prognosis of symptomatic carotid occlusion. National Center for Biotechnology InformationU.

Can cerebrovascular reactivity be assessed by dynamic susceptibility contrast-enhanced MRI?

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Finally, direct measurements of OEF to identify patients with increased oxygen extraction currently performed by using positron-emission tomography [PET] can be performed.

Neurol Neurochir Pol ; Neurosurg Focus ; SPECT images with these 2 radionuclides represent the distribution and concentration of the radionuclide within the brain parenchyma according to blood flow and are mainly evaluated qualitatively by visual inspection Fig 3.

We only request your email address so that the person you are recommending the page to knows that you wanted them to see it, and that it is not junk mail. Ann Surg ; Outcome of carotid artery occlusion is predicted by cerebrovascular reactivity.

Eur J Endovasc Surg ; The usefulness of ACZ-SPECT in detecting subgroups of patients at high risk for cerebral ischemia who require carotid shunting has not been established.

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Table of Contents Index by author. American Journal of Neuroradiology Vol. In this window In a new window.

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BAfter ACZ administration. In recent years large amounts of data on MMD have been collected and important investigations have been carried out in Japan and Korea, even as the pathophysiology of the disease remains to be discovered.

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Am J Surg ; Extracranial-intracranial bypass for ischemic cerebrovascular disease refractory to maximal medical therapy.

Peak CBF augmentation occurs at approximately 10—15 minutes after intravenous bolus administration. J Clin Invest ; Reduced regional cerebrovascular reserve reduced rCVR was defined as abnormal cerebral perfusion that fell into an even lower color range from basal SPECT after ACZ administration 2324 over at least a third of the territory of the middle cerebral artery.

Compromised cerebral blood flow reactivity is a predictor of stroke in patients with symptomatic carotid artery occlusive disease.