Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
368-03-009 ISMRM Abstract

Boosting SNR in field-cycled MRI: Driven equilibrium applied to CPMG sequences

Primary: Physics & Engineering - Low-Field MRI
Secondary: Physics & Engineering - Hybrid & Novel Systems Technology
368-03-009 · Low Field Systems and Applications · Monday, 11 May, 1:50 PM–2:45 PM · Digital Posters Row I
Keywords: Low-Field MRI Magnetic field cycling Polarization Driven equilibrium CPMG sequence
Accepted
Yonghyun Ha 1, Anja Samardzija2, Flor Parra Rodriguez2, Ryan Gross2, Heng Sun2, Sebastian Theilenberg1, Guang Yang1, Tao Li1, Chenhao Sun1, SAJAD HOSSEINNEZHADIAN1, Horace Z Zhang2, Gigi Galiana1,2, R. Todd Constable1,2
1Radiology and Biomedical Imaging, Yale University, New Haven, United States of America
2Department of Biomedical Engineering, Yale University, New Haven, United States of America
Presenting Author: Yonghyun Ha

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References

1. Ha, Y., Selvaganesan, K., Wu, B., Hancock, K., Rogers III, C., Hosseinnezhadian, S., ... & Constable, R. T. (2022). Practical method for RF pulse distortion compensation using multiple square pulses for low-field MRI. Plos one, 17(9), e0273432. PMID: 36112594, DOI: 10.1371/journal.pone.0273432 [doi] [pmid]
2. Selvaganesan, K., Wan, Y., Ha, Y., Wu, B., Hancock, K., Galiana, G., & Constable, R. T. (2023). Magnetic resonance imaging using a nonuniform Bo (NuBo) field-cycling magnet. Plos one, 18(6), e0287344. PMID: 37319289, DOI: 10.1371/journal.pone.0287344 [doi] [pmid]
3. Becker, E. D., Feretti, J. A., & Farrar, T. C. (1969). Driven equilibrium Fourier transform spectroscopy. A new method for nuclear magnetic resonance signal enhancement. Journal of the American Chemical Society, 91(27), 7784-7785. PMID: 5357869, DOI: 10.1021/ja50001a068 [doi] [pmid]
4. Samardzija, A., Sun, C., Ha, Y., Gross, R., Sun, H., Parra, F., ... & Constable, T. Localized Gradients in an Open Field-Cycling Low-Field MRI: First Images. ISMRM Annual Meeting, Honolulu, May 2025.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/368-03-009