Cerebrovascular Reserve
Breath Hold Blood Oxygen Level–Dependent MRI: A Tool for the Assessment of Cerebrovascular Reserve in Children with Moyamoya Disease
... Measures of BH-CVR repeatability in children are good-to-excel- lent and CVR maps are reliably interpretable by clinical users. While clinical acquisition of MR imaging–CVR using computer- controlled devices has become ...
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Correlation of Angiographic Circulation Time and Cerebrovascular Reserve by Acetazolamide Challenged Single Photon Emission CT
... vascular reserve and those of inadequate ...the cerebrovascular reserve by comparing the angiographic cerebral circulation time (CCT) with cerebrovascular reserve measured by ...
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Which CT Perfusion Parameter Best Reflects Cerebrovascular Reserve?: Correlation of Acetazolamide Challenged CT Perfusion with Single Photon Emission CT in Moyamoya Patients
... Fig 2. Clustered box-and-whisker graphs show the differences in the mean values of baseline and drug-challenged CT perfusion parameters between the normal and impaired cerebrovascular reserve groups in each ...
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Unilateral Hemispheric Proliferation of Ivy Sign on Fluid Attenuated Inversion Recovery Images in Moyamoya Disease Correlates Highly with Ipsilateral Hemispheric Decrease of Cerebrovascular Reserve
... years at our institution. A total of 25 patients were female (average age, 29.1 years; age range, 7– 49 years), and 10 were male (average age, 18.3 years; age range, from 7–54 years). Medical treatment for patients was ...
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Comparison of Perfusion Weighted Magnetic Resonance Imaging and Single Photon Emission Computed Tomography for Assessment of Cerebrovascular Reserve in Symptomatic Carotid Territory Stenosis
... Previous studies have investigated the relationship between relative CBF measured by SPECT and PW-MRI using intravascular gadolinium based contrast in normal subjects [12] and in acute ischaemic stroke [13] finding a ...
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Effect of acupuncture on cerebrovascular reserve in patients with acute cerebral infarction: protocol for a randomized controlled pilot study
... to cerebrovascular stenosis or cerebral ...circulation, cerebrovascular reserve (CVR), and metabolic ...flow reserve, cerebral perfusion reserve, and cerebral cir- culation ...
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Can Arterial Spin Labeling with Multiple Postlabeling Delays Predict Cerebrovascular Reserve?
... SPECT-Derived CVR and Cerebrovascular Reserve Index The SPECT data were assessed qualitatively and quantitatively. Regions of known old infarction with perfusion defects were not included for visual ...
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Acute Preoperative Infarcts and Poor Cerebrovascular Reserve Are Independent Risk Factors for Severe Ischemic Complications following Direct Extracranial Intracranial Bypass for Moyamoya Disease
... 3. Cerebrovascular reserve expressed as percentage change from baseline within the right and left anterior and posterior circulation ROIs, segregated by the presence or absence of post- operative ...
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Original Article Combination of transcranial Doppler and end-tidal carbon dioxide partial pressure in evaluating cerebrovascular reserve of patients with intracranial angiostegnosis
... the cerebrovascular reserve (CVR) in the patients with intracranial ...expansion reserve of the severer side in the multiple vascular stenosis group was significantly lower than the normal group ...
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A comparative study of perfusion CT and 99mTc-HMPAO SPECT measurement to assess cerebrovascular reserve capacity in patients with internal carotid artery occlusion
... Background and pur pose: Patients with internal carotid artery (ICA) occlusion can demonstrate impaired cere- bral vascular reserve (CvR). the detection of CvR using single photon emission Ct (SPECt) is nowa- days ...
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Comparison of Blood Oxygenation Level–Dependent fMRI and Provocative DSC Perfusion MR Imaging for Monitoring Cerebrovascular Reserve in Intracranial Chronic Cerebrovascular Disease
... CONCLUSIONS: Decreased concordance between the 2 methods for assessment of hemodynamic reserve for vascular disease distal to the circle of Willis is posited to be due to well-developed [r] ...
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Quantitative Cerebrovascular Reserve Measured by Acetazolamide Challenged Dynamic CT Perfusion in Ischemic Adult Moyamoya Disease: Initial Experience with Angiographic Correlation
... In Moyamoya disease, as in other chronic steno-occlusive cerebrovascular diseases, the steno-occlusive change in the main cerebral arteries decreases the cerebral perfusion pressure, and[r] ...
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Normal values of cerebrovascular reserve capacity after stimulation with acetazolamide measured by xenon 133 single photon emission CT
... To study possible age dependence of the acetazolamide response on regional cerebral blood flow, the flow increase within the middle cerebral artery territory after 1 g of the drug was in[r] ...
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Correlation of Cerebrovascular Reserve as Measured by Acetazolamide challenged SPECT with Angiographic Flow Patterns and Intra or Extracranial Arterial Stenosis
... With cerebral angiography, the anterior, middle, and posterior cerebral artery ACA, MCA, PCA territories were evaluated for patterns of flow, including the ipsilateral carotid or basilar[r] ...
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Hemodynamic Significance of Internal Carotid or Middle Cerebral Artery Stenosis Detected on Magnetic Resonance Angiography
... However, stenosis in the ICA or MCA that is not related to any neurologic symptom is often observed on MRA. In such cases, as- sessment of cerebral hemodynamic state can give additional and complementary information. ...
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Cerebrovascular complications of HIV in children
... important cerebrovascular man- ifestations of human immunodeficiency virus (HIV) infection in children are arteritis with formation of fusiform aneurysms and arterial sclerosis with vascular ...
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Treasury/Federal Reserve Study of Treasury Futures Markets Volume I: Summary and Recommendations
... Treasury/Federal Reserve Study of Treasury Futures Markets Volume I: Summary and Recommendations Vignola, Anthony and Dale, Charles and Federal Reserve System, Federal Reserve Staffs U.S[r] ...
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Cerebrovascular Accidents in Children with Cancer
... II and activated factor X activity in patients with acute promyelocytic leukemia and disseminated intravascular co- agulation treated with heparin. Schwartzman RI, Hill JB: Neurologic co[r] ...
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Economics of Regulation: Credit Rationing and Excess Liquidity
... Federal Reserve Bank, the European (System of) Central Banks and the Bank of ...Regarding reserve money which contains currency and reserves in central bank of Jordan, issued currency composed the major ...
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A simulation scenario based mixed integer programming approach to airline reserve crew scheduling under uncertainty
... better reserve crew schedule with fewer input disruption scenarios, provided that some effort is made to find such a set of ...airline reserve crew under ...no reserve crew are scheduled at all as a ...
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