Evaluation of Specific Absorption Rate of Tight-Fit Array Coils for Human Head 
MRI at 9.4T in Presence of EEG Caps

Berezko, E; Solomakha, G; Bause, J; Kumar, VJ; Scheffler, K; Avdievich, N

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Evaluation of Specific Absorption Rate of Tight-Fit Array Coils for Human Head MRI at 9.4T in Presence of EEG Caps

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Berezko, E
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Solomakha, G
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Bause, J
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Kumar, VJ
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Scheffler, K
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Avdievich, N
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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https://www.ismrm.org/24/docs/24ToC.pdf
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Berezko, E., Solomakha, G., Bause, J., Kumar, V., Scheffler, K., & Avdievich, N. (2024). Evaluation of Specific Absorption Rate of Tight-Fit Array Coils for Human Head MRI at 9.4T in Presence of EEG Caps. Poster presented at ISMRM & ISMRT Annual Meeting & Exhibition 2024, Singapore.

引用: https://hdl.handle.net/21.11116/0000-000F-39C2-6

要旨

Motivation: The electroencephalography (EEG) in combination with MRI allows performing multi-modal imaging. The presence of EEG-caps can increase SAR of tight-fit transceiver RF-arrays at Ultra-High-Field. Goal(s): To numerically evaluate SAR generated by a tight-fit array at 9.4T in the presence of EEG-caps. Approach: Numerical models of 8-channel 9.4T transceiver arrays with EEG-electrodes were constructed. B and SAR were simulated for the human head voxel models using CST Studio. Results: In this work, we numerically showed that EEG-caps don’t significantly change B and SAR of the arrays at 9.4T. Furthermore, the created models of the caps can be used in future simulations. Impact: We numerically showed that EEG caps don’t significantly change B and SAR of the arrays at 9.4T. The developed cap models can be used in future simulations.