Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
568-02-012 ISMRM Abstract

A simulation framework for eddy-current reduction in portable low-field MRI

Primary: Physics & Engineering - System Imperfections
Secondary: Physics & Engineering - Low-Field MRI
568-02-012 · System Imperfections and Field Monitoring · Wednesday, 13 May, 9:15 AM–10:10 AM · Digital Posters Row I
Keywords: Low-Field MRI Scan time reduction Eddy current Artifacts correction Accessible MRI
Accepted
Lorena Vega Cid1, Jose Borreguero1, Elisa Castañón 1, Marina Fernández-García1, Teresa Guallart Naval1, Pablo Benlloch1,2, Rubén Bosch1, Luiz Guilherme C Santos1, Jesús Conejero1, Eduardo Pallás1, Laia Porcar1,2, José M Algarín1, Fernando Galve1, Joseba Alonso1
1Institute for Molecular Imaging and Instrumentation (i3M), Consejo Superior de Investigaciones Científicas & Universitat Politècnica de València, Valencia, Spain
2PhysioMRI Tech S.L., Paterna, Spain
Presenting Author: Elisa Castañón

Synopsis

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References

1. Webb A, O'Reilly T. (2023) Tackling SNR at low-field: A review of hardware approaches for point-of-care systems. Magn Reson Mater Phy 36, 375–393. doi: 10.1007/s10334-023-01100-3. PMID: 37202656; PMCID: PMC10386948. [doi] [pmid]
2. Fernández-García M, Castanon EG, Guallart-Naval T, Ten Esteve A, Ginés Cárdenas S, Borreguero J, Vega L, de Santos LG, Swistunow L, Pallás E, Conejero J, Algarín JM, Galve F, Martí-Bonmatí L, Alonso J. (2025 ) Low-field knee MRI in the clinical setting: a comparative study of a 72 mT with a 3 T scanner. Presented at: ESMRMB 2025 Annual Meeting; Marseille, France.
3. Guallart-Naval, T., Algarín, J., Pellicer-Guridi, R., et al. (2022) Portable magnetic resonance imaging of patients indoors, outdoors and at home. Scientific Reports, 12, 13147. https://doi.org/10.1038/s41598-022-17472-w [doi]
4. Samoudi, A. M., Van Audenhaege, K., Vermeeren, G., Poole, M., Tanghe, E., Martens, L., Van Holen, R., & Joseph, W. (2015) Analysis of eddy currents induced by transverse and longitudinal gradient coils in different tungsten collimator geometries for SPECT/MRI integration. Magnetic Resonance in Medicine, 74(6), 1780–1789. https://doi.org/10.1002/mrm.25534 [doi]
5. Frei, W. (2018) How to model conductors in time-varying magnetic fields. COMSOL Blog. https://www.comsol.com/blogs/how-to-model-conductors-in-time-varying-magnetic-fields
6. Galve F, Pallás E, Guallart-Naval T, García-Cristóbal P, Martínez P, Algarín JM, Borreguero J, Bosch R, Juan-Lloris F, Benlloch JM, Alonso J. (2024) Elliptical Halbach magnet and gradient modules for low-field portable magnetic resonance imaging. NMR Biomed. Dec;37(12):e5258. doi: 10.1002/nbm.5258. Epub 2024 Sep 30. PMID: 39350507 [doi] [pmid]
7. de Vos, B., Remis, R., & Webb, A. (2024) Segmented RF shield design to minimize eddy currents for low-field Halbach MRI systems. Journal of Magnetic Resonance, 362, 107669. https://doi.org/10.1016/j.jmr.2024.107669 [doi]
8. Dong Q, Adams Z, Watkins RD, Chang C-M, Lee BJ, Levin CS (2023) Investigation of Faraday cage materials with low eddy current and high RF shielding effectiveness for PET/MRI applications. Phys Med Biol. 2023 Jun 30;68(13). doi: 10.1088/1361-6560/acdec4. PMID: 37321248 [doi] [pmid]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/568-02-012