Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
470-04-099 ISMRM Abstract

Time-Efficient Fat Suppression for 5D Flow MRI using HydrOptiFrame

Primary: Cardiovascular - Flow
Secondary: Physics & Engineering - RF Pulse Design & Fields
470-04-099 · Fat-Water Separation and Fat Suppression · Tuesday, 12 May, 9:15 AM–10:10 AM · Traditional Posters | Exhibition Hall
Keywords: Free-running MRI Whole-heart MRI 5D Flow Fat suppression
Accepted
Paolo Garelli 1, Fabienne Dirbach1, Xavier Sieber2, Efena Akporeha2, Thara Nallamothu3,4, Jean-Baptiste LEDOUX2,5, Ruud B van Heeswijk2, Isabel Montón Quesada2, Augustin C Ogier2, Jérôme Yerly2,5, Stanislas Rapacchi2, Michael Markl3,4, Matthias Stuber2,5, Tobias Rutz1,6, Christopher W Roy2
1Service of Cardiology, Heart and Vessel Department,, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
2Department of Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
3Radiology, Feinberg School of Medicine, Northwestern Medicine, Chicago, United States of America
4Biomedical Engineering, Northwestern University, Chicago, United States of America
5CIBM Center for BioMedical Imaging, Lausanne, Switzerland
6Centre de Rèsonance Magnétique (CRMC) du CHUV, Lausanne University Hospital, Lausanne, Switzerland
Presenting Author: Paolo Garelli

Synopsis

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References

1. Ma LE, Yerly J, Piccini D, et al. 5D Flow MRI: A Fully Self-gated, Free-running Framework for Cardiac and Respiratory Motion-resolved 3D Hemodynamics. Radiol Cardiothorac Imaging. 2020;2(6):e200219. Published 2020 Nov 12. doi:10.1148/ryct.2020200219 [doi]
2. Shamim AMKM, Panagiotopoulos N, Spahic A, et al. Fat mitigation strategies to improve image quality of radial 4D flow MRI in obese subjects. Magn Reson Med. 2023;90(2):444-457. doi:10.1002/mrm.29652 [doi]
3. Cheng et al Contrast-Enhanced 4D Flow Imaging with Reduced Fat Signal. ISMRM abstract. 2016; Number:2712.
4. Sieber X, Romanin L, Bastiaansen JAM, et al. A flexible framework for the design and optimization of water-excitation RF pulses using B-spline interpolation. Magn Reson Med. 2025;93(5):1896-1910. doi:10.1002/mrm.30390 [doi]
5. Andersson J, Ahlström H, Kullberg J. Water-fat separation incorporating spatial smoothing is robust to noise. Magn Reson Imaging. 2018;50:78-83. doi:10.1016/j.mri.2018.03.015 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/470-04-099