370-07-057 ISMRM Abstract

3D Spiral-Nav Free-Breathing Simultaneous Cine+T1 Mapping Using Dual FAs with Dictionary-Learning and Subspace Reconstruction

Primary: Cardiovascular - Myocardium

Secondary: Acquisition & Reconstruction - Quantitative Imaging: relaxometry, multi-parametric, MR Fingerprinting, and synthetic MRI

370-07-057 · Quantitative Imaging · Monday, 11 May, 2:45 PM–3:40 PM · Traditional Posters | Exhibition Hall

Keywords: Cardiovascular Spiral acquisition T1 T2 Mapping

Accepted

Xitong Wang^1,2, Shen Zhao^3,4, Quan Chen^4,5, Sizhuo Liu⁴, Yang Yang⁴, Ruixi Zhou⁶, Michael Salerno ^4,7

¹Bioengineering, Stanford University, Stanford, United States of America

²Department of Cardiovascular Medicine, Stanford University, Stanford, United States of America

³UCSF-Radiology, United States of America

⁴Department of Radiology and Biomedical Imaging, University Of California, San Francisco (UCSF), United States of America

⁵Department of Radiology, University Of California, San Francisco (UCSF), United States of America

⁶Beijing University of Posts and Telecommunications, Beijing, China

⁷Department of Medicine, Cardiology Division, University Of California, San Francisco (UCSF), United States of America

Presenting Author: Michael Salerno

Synopsis

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References

1. Wang X, et al. 3D simultaneous cine and T₁ mapping using dual-excitation flip angles in free-breathing cardiac MRI. Journal of Cardiovascular Magnetic Resonance. 2025; 26:XX. https://doi.org/10.1016/j.jocmr.2024.101620 [doi]

2. Zhou R, Weller DS, Yang Y, Wang J, Jeelani H, Mugler JP 3rd, Salerno M. Dual-excitation flip-angle simultaneous cine and T1 mapping using spiral acquisition with respiratory and cardiac self-gating. Magn Reson Med. 2021 Jul;86(1):82-96. doi: 10.1002/mrm.28675. Epub 2021 Feb 15. Erratum in: Magn Reson Med. 2021 Nov;86(5):2880. doi: 10.1002/mrm.28888. PMID: 33590591; PMCID: PMC8849625. [doi] [pmid]

3. Wang X, Wang J, Zhou R, Salerno M. Rapid free-breathing 3D SPirAl Respiratory and Cardiac Self-gated (SPARCS) cine acquisition using an undersampled stack-of-spirals. In: Proceedings of the ISMRM 30th Annual Scientific Meeting and Exhibition, London, UK, 2022.

4. Xitong Wang, Junyu Wang, Ruixi Zhou, Yang Yang, Michael Salerno. CMR 2-61 - Deep Learning-based Rapid Spiral Image Reconstruction (DESIRE) for Wang X, et al. Deep Learning-based Rapid Spiral Image Reconstruction (DESIRE) for 3D Spiral Respiratory and Cardiac Self-gated (3D-SPARCS) Cine Imaging. Journal of Cardiovascular Magnetic Resonance. 2024; 26(Suppl 1):100143. https://doi.org/10.1016/j.jocmr.2024.100143 [doi]

5. Ravishankar S, Bresler Y. MR image reconstruction from highly undersampled k-space data by dictionary learning. IEEE Trans Med Imaging. 2011 May;30(5):1028-41. doi: 10.1109/TMI.2010.2090538. Epub 2010 Nov 1. PMID: 21047708. [doi] [pmid]

6. Zhu Y, Kang J, Duan C, et al. Integrated motion correction and dictionary learning for free-breathing myocardial T1 mapping. Magn Reson Med. 2019; 81: 2644–2654. https://doi.org/10.1002/mrm.27579 [doi]

7. Roeloffs V, Uecker M, Frahm J. Joint T₁ and T₂ mapping with tiny dictionaries and subspace-constrained reconstruction. IEEE Transactions on Medical Imaging. 2020; 39(4):1008–1014. https://doi.org/10.1109/TMI.2019.2939130 [doi]

8. Chow K, Flewitt J A, Green J D, Pagano J J, Friedrich M G, Thompson R B. Saturation recovery single-shot acquisition (SASHA) for myocardial T₁ mapping. Magnetic Resonance in Medicine. 2014; 71(6):2082–2095. https://doi.org/10.1002/mrm.24878 PMID: 23881866 [doi] [pmid]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/370-07-057