[HTML][HTML] Quantification of brain oxygen extraction and metabolism with [15O]-gas PET: A technical review in the era of PET/MRI
Oxygen extraction fraction (OEF) and the cerebral metabolic rate of oxygen (CMRO 2) are
key cerebral physiological parameters to identify at-risk cerebrovascular patients and …
key cerebral physiological parameters to identify at-risk cerebrovascular patients and …
[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) …
Challenges and perspectives of the hybridization of PET with functional MRI or ultrasound for neuroimaging
N Tournier, C Comtat, V Lebon, JL Gennisson - Neuroscience, 2021 - Elsevier
Hybridization of positron emission tomography (PET) with other functional neuroimaging
techniques such as functional magnetic resonance imaging (fMRI) or functional ultrasound …
techniques such as functional magnetic resonance imaging (fMRI) or functional ultrasound …
[HTML][HTML] Cerebrovascular reactivity measurements using simultaneous 15O-water PET and ASL MRI: Impacts of arterial transit time, labeling efficiency, and hematocrit
Cerebrovascular reactivity (CVR) reflects the capacity of the brain to meet changing
physiological demands and can predict the risk of cerebrovascular diseases. CVR can be …
physiological demands and can predict the risk of cerebrovascular diseases. CVR can be …
Using arterial spin labeling to measure cerebrovascular reactivity in Moyamoya disease: Insights from simultaneous PET/MRI
Cerebrovascular reactivity (CVR) reflects the CBF change to meet different physiological
demands. The reference CVR technique is PET imaging with vasodilators but is …
demands. The reference CVR technique is PET imaging with vasodilators but is …
[HTML][HTML] Use of real-time phase-contrast MRI to quantify the effect of spontaneous breathing on the cerebral arteries
P Liu, S Fall, O Balédent - NeuroImage, 2022 - Elsevier
Quantification of the effect of breathing on the cerebral circulation provides a better
mechanistic understanding of the brain's circulatory system and is important in the early …
mechanistic understanding of the brain's circulatory system and is important in the early …
Predicting 15O-Water PET cerebral blood flow maps from multi-contrast MRI using a deep convolutional neural network with evaluation of training cohort bias
To improve the quality of MRI-based cerebral blood flow (CBF) measurements, a deep
convolutional neural network (dCNN) was trained to combine single-and multi-delay arterial …
convolutional neural network (dCNN) was trained to combine single-and multi-delay arterial …
Predicting PET cerebrovascular reserve with deep learning by using baseline MRI: a pilot investigation of a drug-free brain stress test
Background Cerebrovascular reserve (CVR) may be measured by using an acetazolamide
test to clinically evaluate patients with cerebrovascular disease. However, acetazolamide …
test to clinically evaluate patients with cerebrovascular disease. However, acetazolamide …
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 …
Early-frame [18F] florbetaben PET/MRI for cerebral blood flow quantification in patients with cognitive impairment: comparison to an [15O] water gold standard
A Fettahoglu, M Zhao, M Khalighi… - Journal of Nuclear …, 2024 - Soc Nuclear Med
Cerebral blood flow (CBF) may be estimated from early-frame PET imaging of lipophilic
tracers, such as amyloid agents, enabling measurement of this important biomarker in …
tracers, such as amyloid agents, enabling measurement of this important biomarker in …