Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
466-06-002 ISMRM Abstract

Road to improving k-space trajectory for free-running self-gated 5D cardiac MRI at 0.55 Tesla

Primary: Acquisition & Reconstruction - Pulse Sequence Design and Spatial Encoding Methods
Secondary: Cardiovascular
466-06-002 · Mid-Field Technology and Sequences · Tuesday, 12 May, 4:55 PM–5:50 PM · Digital Posters Row G
Keywords: Cardiovascular magnetic resonance Free-running MRI Low field mri BSTAR 3D radial trajectory
Accepted
Martin Nicoletti 1, Augustin C Ogier2,3, Adele Mackowiak3, Jean-Baptiste LEDOUX3,4,5,6,7,8,9, Isabel Montón Quesada3, Christopher W Roy10, Jérôme Yerly8,10,11, Cyril Tous12, Matthias Stuber2,3,4,5,6, Stanislas Rapacchi1
1CIBM/CHUV/UNIL, Lausanne, Switzerland
2Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
3Department of Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
4CIBM Center for BioMedical Imaging, Lausanne, Switzerland, Switzerland
5CIBM Center for Biomedical Imaging, Lausanne, Switzerland
6CIBM Center for BioMedical Imaging, Lausanne, Switzerland
7Department of Radiology, CHUV | Lausanne University Hospital, Switzerland
8Center for Biomedical Imaging (CIBM), Lausanne, Switzerland
9Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
10CHUV | Lausanne University Hospital, Switzerland
11Department of Diagnostic and Interventional Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
12Division of Neurology, Department of Pediatrics, BC Children’s Hospital and University of British Columbia, Vancouver, Canada
Presenting Author: Martin Nicoletti

Synopsis

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References

1. Campbell-Washburn AE, Varghese J, Nayak KS, Ramasawmy R, Simonetti OP. Cardiac MRI at Low Field Strengths. J Magn Reson Imaging. 2024;59:412–30. https://doi.org/10.1002/jmri.28890 [doi]
2. Sieber X, Binzel K, Varghese J, Liu Y, Yerly J, Roy CW, et al. Measuring Biventricular Function and Left Atrial Volume in a Single 5D Whole-Heart CMR Scan at 0.55T. J Cardiovasc Magn Reson. 2025;101906. https://doi.org/10.1016/j.jocmr.2025.101906 [doi]
3. Di Sopra L, Piccini D, Coppo S, Stuber M, Yerly J. An automated approach to fully self-gated free-running cardiac and respiratory motion-resolved 5D whole-heart MRI. Magn Reson Med. 2019;82:2118–32. https://doi.org/10.1002/mrm.27898 [doi]
4. Feng L, Coppo S, Piccini D, Yerly J, Lim RP, Masci PG, et al. 5D whole-heart sparse MRI. Magn Reson Med. 2018;79:826–38. https://doi.org/10.1002/mrm.26745 [doi]
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6. Lee NG, Bauman G, Bieri O, Nayak KS. Replication of the bSTAR sequence and open-source implementation. Magn Reson Med. 2024;91:1464–77. https://doi.org/10.1002/mrm.29947 [doi]
7. Addy NO, Ingle RR, Wu HH, Hu BS, Nishimura DG. High-Resolution Variable-Density 3D Cones Coronary MRA. Magn Reson Med. 2015;74:614. https://doi.org/10.1002/mrm.25803 [doi]
8. Layton KJ, Kroboth S, Jia F, Littin S, Yu H, Leupold J, et al. Pulseq: A rapid and hardware-independent pulse sequence prototyping framework. Magn Reson Med. 2017;77:1544–52. https://doi.org/10.1002/mrm.26235 [doi]
9. Daudé P, Roussel T, Troalen T, Viout P, Hernando D, Guye M, et al. Comparative review of algorithms and methods for chemical-shift-encoded quantitative fat-water imaging. Magn Reson Med. 2024;91:741–59. https://doi.org/10.1002/mrm.29860 [doi]
10. Ahmad R, Ding Y, Simonetti O. Edge Sharpness Assessment by Parametric Modeling: Application to Magnetic Resonance Imaging. Concepts Magn Reson Part Bridg Educ Res. 2015;44:138–49. https://doi.org/10.1002/cmr.a.21339 [doi]

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http://echo.ismrm.org/p/ISMRM2026/466-06-002