Magnetic resonance imaging metrics of oxygen extraction fraction: Contradictions or insight into pathophysiological mechanisms?
Sign Up to like & getrecommendations! Published in 2022 at "American Journal of Hematology"
DOI: 10.1002/ajh.26567
Abstract: , report cerebral oxygen extraction fraction (OEF) measurements using an Asymmetric Spin Echo Magnetic Resonance Imaging (ASE-MRI) technique for a large cohort ( N = 120) of children including healthy controls (34), anemic controls without… read more here.
Keywords: magnetic resonance; extraction fraction; resonance imaging; oxygen extraction ... See more keywords
Determination of hepatic extraction fraction with gadoxetate low‐temporal resolution DCE‐MRI‐based deconvolution analysis: validation with ALBI score and Child‐Pugh class
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Medical Radiation Sciences"
DOI: 10.1002/jmrs.617
Abstract: In this study, we aimed to investigate the feasibility of gadoxetate low‐temporal resolution (LTR) DCE‐MRI for voxel‐based hepatic extraction fraction (HEF) quantification for liver sparing radiotherapy using a deconvolution analysis (DA) method. read more here.
Keywords: temporal resolution; extraction fraction; dce mri; gadoxetate low ... See more keywords
Functional oxygen extraction fraction (OEF) imaging with turbo gradient spin echo QUIXOTIC (Turbo QUIXOTIC)
Sign Up to like & getrecommendations! Published in 2018 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.26947
Abstract: QUantitative Imaging of eXtraction of Oxygen and TIssue Consumption (QUIXOTIC) is a recent technique that measures voxel‐wise oxygen extraction fraction (OEF) but suffers from long scan times, limiting its application. We implemented multiecho QUIXOTIC dubbed… read more here.
Keywords: oxygen; extraction; oxygen extraction; fraction oef ... See more keywords
Validation of T2‐based oxygen extraction fraction measurement with 15O positron emission tomography
Sign Up to like & getrecommendations! Published in 2020 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.28410
Abstract: To evaluate the accuracy of T2‐based whole‐brain oxygen extraction fraction (OEF) estimation by comparing it with gold standard 15O‐PET measurements. read more here.
Keywords: validation based; oxygen extraction; extraction fraction;
Temporal clustering, tissue composition, and total variation for mapping oxygen extraction fraction using QSM and quantitative BOLD
Sign Up to like & getrecommendations! Published in 2021 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.28875
Abstract: To improve the accuracy of quantitative susceptibility mapping plus quantitative blood oxygen level‐dependent magnitude (QSM+qBOLD or QQ) based mapping of oxygen extraction fraction (OEF) and cerebral metabolic rate of oxygen (CMRO2) using temporal clustering, tissue… read more here.
Keywords: oxygen; oxygen extraction; temporal clustering; mapping oxygen ... See more keywords
Elevated brain oxygen extraction fraction in preterm newborns with anemia measured using noninvasive MRI
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Perinatology"
DOI: 10.1038/s41372-018-0229-1
Abstract: ObjectiveTo test the hypothesis that cerebral oxygen extraction fraction (OEF) is elevated and inversely related to hematocrit level in anemic former very-low-birth-weight infants near term.Study designProspective study of non-sedated preterm infants (post-menstrual age = 36 ± 2 weeks) over… read more here.
Keywords: extraction fraction; oxygen extraction; mri;
Review of the Research Progress of Human Brain Oxygen Extraction Fraction by Magnetic Resonance Imaging
Sign Up to like & getrecommendations! Published in 2022 at "Oxidative Medicine and Cellular Longevity"
DOI: 10.1155/2022/4554271
Abstract: In recent years, the incidence of cerebrovascular diseases (CVD) is increasing, which seriously endangers human health. The study on hemodynamics of cerebrovascular disease can help us to understand, prevent, and treat the disease. As one… read more here.
Keywords: magnetic resonance; extraction fraction; resonance imaging; oxygen ... See more keywords
Hemodynamic Impairment Measured by Positron-Emission Tomography Is Regionally Associated with Decreased Cortical Thickness in Moyamoya Phenomenon
Sign Up to like & getrecommendations! Published in 2018 at "American Journal of Neuroradiology"
DOI: 10.3174/ajnr.a5812
Abstract: BACKGROUND AND PURPOSE: Impaired cerebrovascular reactivity has been associated with decreased cortical thickness in patients with arterial occlusive diseases. This study tests the hypothesis that severe hemodynamic impairment, indicated by increased oxygen extraction fraction ratios… read more here.
Keywords: oxygen extraction; moyamoya phenomenon; cortical thickness; thickness ... See more keywords
Initial Experience of Challenge-Free MRI-Based Oxygen Extraction Fraction Mapping of Ischemic Stroke at Various Stages: Comparison With Perfusion and Diffusion Mapping
Sign Up to like & getrecommendations! Published in 2020 at "Frontiers in Neuroscience"
DOI: 10.3389/fnins.2020.535441
Abstract: MRI-based oxygen extraction fraction imaging has a great potential benefit in the selection of clinical strategies for ischemic stroke patients. This study aimed to evaluate the performance of a challenge-free oxygen extraction fraction (OEF) mapping… read more here.
Keywords: ischemic stroke; oxygen extraction; cbf; extraction fraction ... See more keywords