461-03-003 ISMRM Abstract

Towards elucidating ripple artifacts encountered in accelerated 3D GRE acquisitions at UHF

Primary: Acquisition & Reconstruction - Artifacts and Correction Strategies

Secondary: Physics & Engineering - High-Field MRI

461-03-003 · Artifact Correction Strategies in Brain and Body · Tuesday, 12 May, 1:40 PM–2:35 PM · Digital Posters Row B

Keywords: Parallel Imaging Artifacts Ultra-high field Motion

Accepted

Joseph Obriot ¹, Franck Mauconduit¹, Vincent Gras¹, Chaithya Giliyar Radhakrishna^1,2, Philipp Ehses³, Rüdiger Stirnberg³, Caroline LeSter¹, Nicolas Boulant¹

¹Université Paris-Saclay, CEA, CNRS, BAOBAB, Neurospin, Gif-sur-Yvette, France

²MIND, Inria, Palaiseau, France

³German Center for Neurodegenerative Diseases (DZNE e.V.), Bonn, Germany

Presenting Author: Joseph Obriot

Synopsis

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References

1. Griswold MA, Jakob PM, Heidemann RM, et al. Generalized autocalibrating partially parallel acquisitions (GRAPPA). Magnetic Resonance in Med. 2002;47(6):1202-1210. doi:10.1002/mrm.10171 [doi]

2. Sobol WT, Gauntt DM. On the stationary states in gradient echo imaging. Journal of Magnetic Resonance Imaging. 1996;6(2):384-398. doi:10.1002/jmri.1880060220 [doi]

3. Boulant N, Quettier L, Aubert G, et al. Commissioning of the Iseult CEA 11.7 T whole-body MRI: current status, gradient–magnet interaction tests and first imaging experience. Magn Reson Mater Phy. 2023;36(2):175-189. doi:10.1007/s10334-023-01063-5 [doi]

4. Chu S, Gras V, Mauconduit F, Massire A, Boulant N, Gunamony S. Electromagnetic and RF pulse design simulation based optimization of an eight-channel loop array for 11.7T brain imaging. Magnetic Resonance in Medicine. 2023;90(2):770-783. doi:10.1002/mrm.29654 [doi]

5. Chu S, Baskaran D, Mauconduit F, Gras V, Boulant N, Gunamony S. An 8-Channel Transmit Array in Combination with a 31-Channel Receive Array for Human Brain Imaging at 11.7T. In: Proceedings of the 32nd Annual Meeting of ISMRM. Singapore; 2024:1415. doi:10.58530/2024/1415 [doi]

6. Delebarre T, Gras V, Mauconduit F, Vignaud A, Boulant N, Ciobanu L. Efficient optimization of chemical exchange saturation transfer MRI at 7 T using universal pulses and virtual observation points. Magnetic Resonance in Medicine. 2023;90(1):51-63. doi:10.1002/mrm.29617 [doi]

7. Bertrait M, R C, Ciuciu P. gGRAPPA: A Flexible, GPU-Accelerated Python Package for Fast and Efficient Generalized GRAPPA Reconstruction. In: Proceedings of the 33rd Annual Meeting of ISMRM . Honolulu, Hawaii, USA; 2025:1973. doi:10.58530/2025/1973 [doi]

8. Brégeat J, Mauconduit F, Boulant N, Gras V. Efficient simultaneous optimization of K-space trajectories and parallel transmission RF waveforms using the parametric “fastGRAPE” approach. In: Proceedings of the 40th Annual Meeting of ESMRMB. Barcelona, Spain; 2024:0420. https://www.esmrmb2024.org/abstracts-form/posters-e/abstract-data/586844ebcd4de5a6596b7111bfda7ef7.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/461-03-003