Cerebral oxygen extraction fraction MRI: Techniques and applications
The human brain constitutes 2% of the body's total mass but uses 20% of the oxygen. The
rate of the brain's oxygen utilization can be derived from a knowledge of cerebral blood flow …
rate of the brain's oxygen utilization can be derived from a knowledge of cerebral blood flow …
Hyperpolarized MRI, functional MRI, MR spectroscopy and CEST to provide metabolic information in vivo
Access to metabolic information in vivo using magnetic resonance (MR) technologies has
generally been the niche of MR spectroscopy (MRS) and spectroscopic imaging (MRSI) …
generally been the niche of MR spectroscopy (MRS) and spectroscopic imaging (MRSI) …
[HTML][HTML] Hemodynamic and metabolic correspondence of resting-state voxel-based physiological metrics in healthy adults
Voxel-based physiological (VBP) variables derived from blood oxygen level dependent
(BOLD) fMRI time-course variations include: amplitude of low frequency fluctuations (ALFF) …
(BOLD) fMRI time-course variations include: amplitude of low frequency fluctuations (ALFF) …
Brain oxygen extraction is differentially altered by Alzheimer's and vascular diseases
Background Alzheimer's disease and vascular cognitive impairment (VCI), as well as their
concurrence, represent the most common types of cognitive dysfunction. Treatment …
concurrence, represent the most common types of cognitive dysfunction. Treatment …
[HTML][HTML] Evaluation of whole-brain oxygen metabolism in Alzheimer's disease using QSM and quantitative BOLD
Objective The objective of this study was to evaluate the whole-brain pattern of oxygen
extraction fraction (OEF), cerebral blood flow (CBF), and cerebral metabolic rate of oxygen …
extraction fraction (OEF), cerebral blood flow (CBF), and cerebral metabolic rate of oxygen …
[HTML][HTML] MRI assessment of cerebral oxygen extraction fraction in the medial temporal lobe
The medial temporal lobe (MTL) is a key area implicated in many brain diseases, such as
Alzheimer's disease. As a functional biomarker, the oxygen extraction fraction (OEF) of MTL …
Alzheimer's disease. As a functional biomarker, the oxygen extraction fraction (OEF) of MTL …
QQ‐NET–using deep learning to solve quantitative susceptibility mapping and quantitative blood oxygen level dependent magnitude (QSM+ qBOLD or QQ) based …
Purpose To improve accuracy and speed of quantitative susceptibility mapping plus
quantitative blood oxygen level‐dependent magnitude (QSM+ qBOLD or QQ)‐based …
quantitative blood oxygen level‐dependent magnitude (QSM+ qBOLD or QQ)‐based …
Temporal clustering, tissue composition, and total variation for mapping oxygen extraction fraction using QSM and quantitative BOLD
J Cho, P Spincemaille, TD Nguyen… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose To improve the accuracy of quantitative susceptibility mapping plus quantitative
blood oxygen level‐dependent magnitude (QSM+ qBOLD or QQ) based mapping of oxygen …
blood oxygen level‐dependent magnitude (QSM+ qBOLD or QQ) based mapping of oxygen …
A noninvasive method for quantifying cerebral metabolic rate of oxygen by hybrid PET/MRI: validation in a porcine model
L Narciso, T Ssali, L Liu, H Biernaski… - Journal of Nuclear …, 2021 - Soc Nuclear Med
The gold standard for imaging the cerebral metabolic rate of oxygen (CMRO2) is PET;
however, it is an invasive and complex procedure that also requires correction for …
however, it is an invasive and complex procedure that also requires correction for …
Multi‐parametric evaluation of cerebral hemodynamics in neonatal piglets using non‐contrast‐enhanced magnetic resonance imaging methods
Background Disruption of brain oxygen delivery and consumption after hypoxic–ischemic
injury contributes to neonatal mortality and neurological impairment. Measuring cerebral …
injury contributes to neonatal mortality and neurological impairment. Measuring cerebral …