blood oxygenation level dependent imaging
Blood oxygenation level-dependent magnetic resonance imaging during carbogen breathing: differentiation between prostate cancer and benign prostate hyperplasia and correlation with vessel maturity
... the blood oxygenation level- dependent (BOLD) contrast magnetic resonance imaging (MRI) can evaluate tumor maturity and preoperatively differentiate prostate cancer (PCa) from benign ...
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Effects of iodinated contrast agents on renal oxygenation level determined by blood oxygenation level dependent magnetic resonance imaging in rabbit models of type 1 and type 2 diabetic nephropathy
... Under physiological conditions, renal oxygenation is low, especially in the outer medulla [18,19]. Palm et al. [20] re- ported that oxygen consumption of the renal medulla was higher in the diabetic state because ...
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Cerebral misery perfusion diagnosed using hypercapnic blood oxygenation level dependent contrast functional magnetic resonance imaging: a case report
... Two months later he was readmitted following a pri- mary focal seizure with secondary generalisation and mild post-ictal right-sided weakness. The results of his routine blood tests, renal function, glucose, ...
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Diffusion weighted imaging and blood oxygen level dependent MR imaging of kidneys in patients with lupus nephritis
... diffusion-weighted imaging and blood oxy- gen level-dependent MR imaging are novel functional MRI techniques with repeatable nature that have potential to assess glomerular filtration, ...
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MR Blood Oxygenation Level–Dependent Signal Differences in Parenchymal and Large Draining Vessels: Implications for Functional MR Imaging
... motor skills. An fMR imaging re-examination was performed 10 days after the first and 8 days after the biopsy was taken. The persistent paresis still allowed for hand clenching, with a marked de- crease in finger ...
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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
... This institutional review board–approved retrospective study comprised patients (n ⫽ 40; mean age, 48 ⫾ 17 years; 24 women and 16 men) who underwent extensive evaluation for atheroscle- rotic CVD or Moyamoya disease, ...
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Decreases of Blood Oxygenation Level—Dependent Signal in the Activated Motor Cortex during Functional Recovery after Resection of a Glioma
... cerebral blood volume (CBV) changes and correlate with CBF changes under conditions of constant hematocrit and perfusion pres- sure ...BOLD-fMR imaging measures only the concentration changes of deoxy-Hb, ...
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How Depth of Anesthesia Influences the Blood Oxygenation Level–Dependent Signal from the Visual Cortex of Children
... The level of anesthesia was changed by ...end-tidal level of sevoflurane reached a steady ...between blood and central nervous con- ...MR imaging continued so as not to extend unnecessarily, ...
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Modulation of renal oxygenation and perfusion in rat kidney monitored by quantitative diffusion and blood oxygen level dependent magnetic resonance imaging on a clinical 1.5T platform.
... longitudinal imaging methods that in- corporate repeatability measurements can reduce the number of animals by using each as its own control, har- nessing statistical power through the use of paired statis- tical ...
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Relationship between Caffeine Induced Changes in Resting Cerebral Perfusion and Blood Oxygenation Level Dependent Signal
... Functional imaging was performed in the axial plane by using multisection gradient-echo echo-planar imaging with a field of view of 24 cm (frequency) ⫻ 15 cm (phase) and an acquisition matrix of 64 ⫻ 40 (28 ...
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Functional neuronal network activity differs with cognitive dysfunction in childhood onset systemic lupus erythematosus
... BOLD: blood oxygenation level-dependent; CPT-IP: continuous performance task- identical pairs; cSLE: childhood-onset SLE; FBIRN: Function Biomedical Informatics Research Network; fMRI: ...
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Abnormal intra-network architecture in extra-striate cortices in amblyopia: a resting state fMRI study
... BOLD: Blood oxygenation level dependent; FA: Fractional anisotropy; FDR: False discovery rate; FEF: Front eye field; fMRI: Functional magnetic resonance imaging; HC: Healthy controls; ...
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Effect of acupuncture and its influence on cerebral activity in functional dyspepsia patients: study protocol for a randomized controlled trial
... BOLD: blood oxygenation level-dependent; CES-D: Center for Epidemiological Studies Depression Scale; CONT: continuous pressure stimuli run; CSQ: Coping Strategies Questionnaire; EPS: ...
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Blood oxygenation level-dependent MRI for assessment of renal oxygenation
... renal oxygenation has traditionally relied on invasive techniques in animal ...tissue oxygenation. In humans, renal oxygenation can be inferred from direct measurements of arterial and venous ...
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BRIDGING THE GAP BETWEEN NEUROIMAGING AND NEURONAL PHYSIOLOGY
... of blood oxygenation level dependent (BOLD) functional magnetic resonance imaging (fMRI) in recent years (Bandettini et ...red blood cells and the ...venous blood, a ...
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Regional dynamic signal changes during controlled hyperventilation assessed with blood oxygen level dependent functional MR imaging
... Brain Imaging,” in: Abstracts of the Society of Magnetic Resonance, 1995:769; ...cerebral blood flow (CBF) that are unrelated to changes in blood oxygenation or neuronal ...
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Imaging Brain Oxygenation with MRI Using Blood Oxygenation Approaches: Methods, Validation, and Clinical Applications
... with blood (ie, CBV) is only approximately 4%, if only intravascular MR imaging parameters were affected, the BOLD signal would be barely ...spin-echo imaging are also affected by the BOLD effect ...
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Measuring prefrontal cortex response to virtual reality exposure therapy in freely moving participants
... cravings (Moon & Lee, 2009), or twelve or more sessions for treatment of PTSD (Roy & Francis, 2010). The current study detected changes in brain activity during the third session due to a few potential factors. ...
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CLINICAL GUIDELINES. Head Imaging Guidelines. Version 1.0 Effective February 1, 2021
... Certain imaging studies are considered investigational by various payers, and their coverage policies may take precedence over eviCore’s ...Advanced imaging studies, or other procedures, may be considered ...
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Auditory network connectivity in tinnitus patients: a resting state fMRI study
... resonance imaging (fMRI) uncovers correlated activity between spatially distinct functionally related brain regions and offers clues about the integrity of functional brain circuits in people with chronic ...
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