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Oxygen extraction fraction mapping with multi-parametric quantitative BOLD MRI: reduced transverse relaxation bias using 3D-GraSE imaging
2020
NeuroImage
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Magnetic resonance imaging (MRI)-based quantification of the blood-oxygenation-level-dependent (BOLD) effect allows oxygen extraction fraction (OEF) mapping. ...
The multi-parametric quantitative BOLD (mq-BOLD) technique facilitates relative OEF (rOEF) measurements with whole brain coverage in clinically applicable scan times. ...
Nico Sollmann and Ilias Tsiachristos for their support in participant recruitment and during the MRI measurements. We are very grateful to Dr. ...
doi:10.1016/j.neuroimage.2020.117095
pmid:32599265
pmcid:PMC7730517
fatcat:s6uxt477mfdcvhqr6uc6gzgjeu
MRI techniques to measure arterial and venous cerebral blood volume
2018
NeuroImage
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We believe that the continual development of MRI approaches for the measurement of compartment-specific CBV will likely provide essential imaging tools for the advancement and refinement of our knowledge ...
This review attempts to summarize major efforts in the development of MRI techniques to measure arterial (CBVa) and venous CBV (CBVv) separately. ...
In MRI, the transverse relaxation times (T2*/T2) of blood are highly sensitive to such oxygenation level difference Zhao et al., 2007) . ...
doi:10.1016/j.neuroimage.2018.02.027
pmid:29458187
pmcid:PMC6095829
fatcat:2x4il6kxcne6jjet6o5kp33gbu
Developing Techniques for Quantitative Renal Magnetic Resonance Imaging
2021
Zenodo
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One such methodology is quantitative Magnetic Resonance Imaging (MRI). ...
Rather than simply taking a structural image of the kidneys, quantitative MRI aims to measure physical properties such as the rate of blood flow, tissue perfusion, oxygen consumption and more fundamental ...
Quantitative Assessment of Renal Structural and Functional Changes in Chronic Kidney Disease Using Multi-Parametric Magnetic Resonance Imaging. ...
doi:10.5281/zenodo.5524888
fatcat:ba4f7zyabfckjlbtdyi6p5u3oy
Sub-millimetre resolution laminar fMRI using Arterial Spin Labelling in humans at 7 T
2021
PLoS ONE
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Laminar fMRI at ultra-high magnetic field strength is typically carried out using the Blood Oxygenation Level-Dependent (BOLD) contrast. ...
In addition, ASL provides a quantitative marker of neuronal activation in terms of perfusion signal, which is simultaneously acquired along with the BOLD signal. ...
While the present study employs a PASL acquisition scheme, recent studies have explored the feasibility of using a pCASL acquisition scheme with a 3D-GRASE readout for perfusionweighted laminar fMRI at ...
doi:10.1371/journal.pone.0250504
pmid:33901230
pmcid:PMC8075193
fatcat:4u24nbmpf5cjroxycsr2i7xuwi
Proceedings 26th Symposium ESVN-ECVN
2014
Journal of Veterinary Internal Medicine
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fractional anisotropy map analysis. ...
Each DWI dataset was registered (rotation and translation) to a template space using Statistical Parametric Mapping (SPM) and overlayed onto a T1 image depicting and correlating the position of the white ...
doi:10.1111/jvim.12323
fatcat:bmbefig4fzbw5immexwi3qpdvm
Validation and optimization of myelin water imaging in a preclinical model of spinal cord injury
[article]
2017
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The first half deals with the use of compressed sensing (CS) to accelerate the lengthy sequence used in myelin water imaging. ...
Typically, a lengthy multi-echo spin-echo sequence is used to obtain decay curves that are fitted to produce T2 distributions. ...
However, by using quantitative models and/or multi offset frequency/RF saturation pulses, more specific tissue parameters could be extracted. ...
doi:10.14288/1.0320960
fatcat:dq6hwla2s5hcliu4dsh4u2jbge