Basis set optimization for quantification of semi-LASER at 9.4T under 
consideration of CP effect and relaxation

Giapitzakis, I-A; Henning, A

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Basis set optimization for quantification of semi-LASER at 9.4T under consideration of CP effect and relaxation

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

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Citation

Giapitzakis, I.-A., & Henning, A. (2017). Basis set optimization for quantification of semi-LASER at 9.4T under consideration of CP effect and relaxation. Poster presented at 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017), Honolulu, HI, USA.

Cite as: https://hdl.handle.net/21.11116/0000-0000-C487-A

Abstract

In this abstract, we evaluated the Carr-Purcell behavior of semi-LASER sequence at 9.4T and we studied the influence of different relaxation times between the different moieties of NAA and NAAG using in-vivo acquired from occipital lobe and simulated spectra. The results indicate that differences in the relaxation time between different moieties can affect the fitting results and the metabolites levels. Moreover, an estimated value for the relaxation time of NAA-aspartate moiety is given. This work indicates that more measurements and investigation should be done, studying more metabolites and brain regions.