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Reproducibility and Coverage of Human Whole-brain 1H FID MRSI at 9.4 T after Processing Pipeline Optimization

MPS-Authors
/persons/resource/persons215132

Ziegs,  T
Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons215127

Wright,  AM
Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons84402

Henning,  A
Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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https://www.ismrm.org/21/program-files/TeaserSlides/TeasersSessions/83.html
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Citation

Ziegs, T., Wright, A., & Henning, A. (2021). Reproducibility and Coverage of Human Whole-brain 1H FID MRSI at 9.4 T after Processing Pipeline Optimization. Poster presented at 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021).


Cite as: https://hdl.handle.net/21.11116/0000-0008-EF2F-8
Abstract
Whole-brain data were acquired using a non-accelerated, non-lipid-suppressed and ultra-short echo time 1H FID-MRSI 2D multi-slice sequence at 9.4 T on human subjects. Data was reconstructed, retrospectively lipid suppressed and fitted including a relaxation corrected macromolecular basis spectrum. Metabolite concentration maps showing expected concentration differences between gray and white matter could be achieved with 89-97% coverage of the whole brain for tCr, tCho, NAA, Glu, and mI. A stack of 32 mm thickness covering the central part of the cerebrum yields anatomically correct maps for Gln, Tau, GABA, NAAG, and GSH. The data acquisition and reconstruction lead to reproducible results.