Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
369-05-014 ISMRM Abstract

Accelerating and Optimizing Stack-of-Spirals 129Xe Ventilation MRI with Ramped Flip Angles and Partial Fourier Reconstruction

Primary: Contrast Mechanisms - Hyperpolarized MR (Gas)
Secondary: Acquisition & Reconstruction - Pulse Sequence Design and Spatial Encoding Methods
369-05-014 · Hyperpolarized Gases · Monday, 11 May, 4:10 PM–5:05 PM · Digital Posters Row J
Keywords: Hyperpolarized MR (Gas) Hyperpolarized 129Xe MRI Undersampling Xenon Accelerated Acquisition
Accepted
Kylie Yeung 1,2,3, Anthony McIntyre3, Fergus V Gleeson2,3, Rolf F Schulte4, Damian Tyler1,5, James T Grist1,3,5
1Oxford Centre for Clinical MR Research (OCMR), University of Oxford, Oxford, United Kingdom
2Department of Oncology, University of Oxford, Oxford, United Kingdom
3Department of Radiology, Oxford University Hospitals NHS Trust, Oxford, United Kingdom
4GE Healthcare, Munich, Germany
5Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, United Kingdom
Presenting Author: Kylie Yeung

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References

1. J. W. Gordon and J. J. Miller, ‘3 - HP acquisition methods: pulse sequences, reconstruction, and RF coils’, in Advances in Magnetic Resonance Technology and Applications, vol. 3, P. E. Z. Larson, Ed., in Hyperpolarized Carbon-13 Magnetic Resonance Imaging and Spectroscopy, vol. 3. , Academic Press, 2021, pp. 49–74. doi: 10.1016/B978-0-12-822269-0.00005-1 [doi]
2. J. T. Grist et al., ‘Hyperpolarized 129Xe MRI Abnormalities in Dyspneic Patients 3 Months after COVID-19 Pneumonia: Preliminary Results’, Radiology, vol. 301, no. 1, pp. E353–E360, Oct. 2021, doi: 10.1148/radiol.2021210033 [doi]
3. K. Yeung et al., ‘Algebraic Methods and Computational Strategies for Pseudoinverse-Based MR Image Reconstruction (Pinv-Recon)’, Aug. 19, 2025, arXiv: arXiv:2410.06129. doi: 10.48550/arXiv.2410.06129 [doi]
4. E. M. Haacke, E. D. Lindskogj, and W. Lin, ‘A fast, iterative, partial-fourier technique capable of local phase recovery’, J. Magn. Reson. 1969, vol. 92, no. 1, pp. 126–145, Mar. 1991, doi: 10.1016/0022-2364(91)90253-P [doi]

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http://echo.ismrm.org/p/ISMRM2026/369-05-014