Accelerated 3D stack-of-spiral bSSFP for functional imaging at 9.4T: Pilot study

Valsala, PI; Ehses, P; Veldmann, M; Scheffler, K

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Accelerated 3D stack-of-spiral bSSFP for functional imaging at 9.4T: Pilot study

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Valsala, PI
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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https://submissions.mirasmart.com/ISMRM2022/Itinerary/ConferenceMatrixEventDetail.aspx?ses=D-168
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Citation

Valsala, P., Ehses, P., Veldmann, M., & Scheffler, K. (2022). Accelerated 3D stack-of-spiral bSSFP for functional imaging at 9.4T: Pilot study. Poster presented at Joint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting (ISMRM 2022), London, UK.

Cite as: https://hdl.handle.net/21.11116/0000-000A-5C6B-8

Abstract

We investigate the possibility of using longer multi-shot spiral readouts to accelerate balanced steady-state free precession (bSSFP) at ultra-high field (UHF) for functional imaging. The reconstruction is performed with the full signal model accounting for spatial B0 inhomogeneity and gradient imperfections. We present the activation maps from flickering checkerboard stimulus experiment and discuss challenges of spiral bSSFP at UHF.