Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
630-03-006 ISMRM Abstract

k-t-v GRAPPA for highly-accelerated 4D flow acquisitions

Primary: Acquisition & Reconstruction - Non-AI methods
Secondary: Cardiovascular - Flow
630-03-006 · Hemodynamics and Flow · Thursday, 14 May, 4:00 PM–5:50 PM · Meeting Room 2.60
Keywords: Parallel Imaging Flow 4D flow MRI Fast acquisition Undersampled MRI Reconstruction
Accepted
Kevin Moulin 1, Limin Zhou2, Nicholas E Kneier3, Shannen Kizilski3, Andrew J Powell1,4,5
1Department of Cardiology, Boston Children's Hospital and Harvard Medical School, Boston, United States of America
2Philips North America Clinical Science, Rochester, United States of America
3Cardiac Surgery Department, Boston Children's Hospital and Harvard Medical School, Boston, United States of America
4Harvard Medical School, Boston, United States of America
5Department of Pediatrics, Harvard Medical School, Boston, United States of America
Presenting Author: Kevin Moulin

Synopsis

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References

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2. Griswold, M.A., Jakob, P.M., Heidemann, R.M., Nittka, M., Jellus, V., Wang, J., Kiefer, B. and Haase, A. (2002), Generalized autocalibrating partially parallel acquisitions (GRAPPA). Magn. Reson. Med., 47: 1202-1210. https://doi.org/10.1002/mrm.10171 [doi]
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4. Huang, F., Akao, J., Vijayakumar, S., Duensing, G.R. and Limkeman, M. (2005), k-t GRAPPA: A k-space implementation for dynamic MRI with high reduction factor. Magn. Reson. Med., 54: 1172-1184. https://doi.org/10.1002/mrm.20641 [doi]
5. Jung, B., Ullmann, P., Honal, M., Bauer, S., Hennig, J. and Markl, M. (2008), Parallel MRI with extended and averaged GRAPPA kernels (PEAK-GRAPPA): Optimized spatiotemporal dynamic imaging†. J. Magn. Reson. Imaging, 28: 1226-1232. https://doi.org/10.1002/jmri.21561 [doi]
6. Vishnevskiy, V., Walheim, J. & Kozerke, S. Deep variational network for rapid 4D flow MRI reconstruction. Nat Mach Intell 2, 228–235 (2020). https://doi.org/10.1038/s42256-020-0165-6 [doi]
7. Ma LE, Markl M, Chow K, et al. Aortic 4D flow MRI in 2 minutes using compressed sensing, respiratory controlled adaptive k-space reordering, and inline reconstruction. Magn Reson Med. 2019; 81: 3675–3690. https://doi.org/10.1002/mrm.27684 [doi]
8. Varga-Szemes, A., Halfmann, M., Schoepf, U.J., Jin, N., Kilburg, A., Dargis, D.M., Düber, C., Ese, A., Aquino, G., Xiong, F., Kreitner, K.-F., Markl, M. and Emrich, T. (2023), Highly Accelerated Compressed-Sensing 4D Flow for Intracardiac Flow Assessment. J Magn Reson Imaging, 58: 496-507. https://doi.org/10.1002/jmri.28484 [doi]
9. Pathrose A, Ma L, Berhane H, Scott MB, Chow K, Forman C, Jin N, Serhal A, Avery R, Carr J, Markl M. Highly accelerated aortic 4D flow MRI using compressed sensing: Performance at different acceleration factors in patients with aortic disease. Magn Reson Med. 2021 Apr;85(4):2174-2187. https://doi.org/10.1002/mrm.28561 [doi]
10. Wang, A. Sun, H. Li, et al., Highly Accelerated Aortic 4D Flow MRI: Implications for Pulse Wave Velocity Measurements, Journal of Magnetic Resonance Imaging (2025): 1–12, https://doi.org/10.1002/jmri.70153 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/630-03-006