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Achieving High-Resolution 1H-MRSI of the Human Brain with Compressed-Sensing and Low-Rank Reconstruction at 7 Tesla
2021
Journal of magnetic resonance (San Diego, Calif. 1997 : Print)
Preserved Fulltext
This new application of compressed sensing acceleration paves the way for high-resolution MRSI in clinical setting with acquisition times of 5 min for 2D MRSI at 2.5 mm and of 20 min for 3D MRSI at 3.3 ...
The MRSI method was validated in a high-resolution phantom containing fine metabolite structures, and in five healthy volunteers. ...
Acknowledgments This research was supported by the Swiss National Science Foundation Grant No.: IZSEZ0_188859, and the National Institutes of Health through National Cancer Institute grant 1R01CA211080 ...
doi:10.1016/j.jmr.2021.107048
pmid:34438355
pmcid:PMC8717865
fatcat:pfidjvdn4rcklaqnsgcgz2gfea
Achieving High-Resolution Whole-Brain Slab 1H-MRSI with Compressed-Sensing and Low-Rank Reconstruction at 7 Tesla
[article]
2020
bioRxiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
This new application of compressed sensing acceleration paves the way for high-resolution MRSI in clinical setting with acquisition times of 5 min for 2D MRSI at 2.5~mm and of 20 min for 3D MRSI at 3.3 ...
The MRSI method was validated in a high-resolution phantom containing fine metabolite structures, and in 3 healthy volunteers. ...
This research was supported by the Swiss National Science Foundation grant number: IZSEZ0 188859, and the National Institutes of Health through National Cancer Institute grant 1R01CA211080. ...
doi:10.1101/2020.05.13.092668
fatcat:wi755wcl7zglzau2sxky2ec5nq
Test-retest reproducibility of human brain multi-slice 1H FID-MRSI data at 9.4 T after optimization of lipid regularization, macromolecular model and spline baseline stiffness
[article]
2022
bioRxiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
data spanning the whole cerebrum of human brain and its reproducibility of metabolite ratio (/tCr) maps for 10 brain metabolites. ...
Methods: Measurements were performed twice on five volunteers using a non-accelerated FID MRSI 2D sequence at 9.4 T. ...
FID-MRSI data spanning the whole cerebrum of human brain and its reproducibility of metabolite ratio (/tCr) maps for 10 brain metabolites. Methods: Measurements were performed twice on five volunteers ...
doi:10.1101/2022.02.02.478678
fatcat:yad6l6s2d5a4da6j6mag3gi4u4
Quantitative Magnetic Resonance Spectroscopy of Brain Metabolites and Macromolecules at Ultra-High Field
[article]
2021
Preserved Fulltext
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The first part of the thesis focuses on characterizing the physical properties of macromolecular resonances in the human brain at 9.4 T and understanding their contribu [...] ...
Ultra-high field (≥7 T) MRS benefits from increased signal-to-noise ratio (SNR) and improved spectral resolution. ...
High and ultra-high resolution metabolite mapping of the human brain using 1H FID MRSI at 9.4T. Neuroimage. 2018;168:211-221. doi:10.1016/j.neuroimage.2016.12.065 90. ...
doi:10.15496/publikation-60424
fatcat:egvotwkfbvc7xifxhdsxvrxhne
Magnetic Resonance Spectroscopy: Quantitative Analysis of Brain Metabolites and Macromolecules
[article]
2021
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The upfield spectrum contains most brain metabolites of clinical interest. ...
Proton magnetic resonance spectroscopy (1H-MRS) allows non-invasive quantification of the human brain's metabolism in vivo. 1H-MRS measures the interaction of the 1H-hydrogen isotope with oscillating electromagnetic ...
This finding is in agreement with the results of high-resolution MRSI studies 77, 78 . ...
doi:10.15496/publikation-58677
fatcat:3j7juyzf3ja7blribpccwnor4m