Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
607-01-005 ISMRM Abstract

Non-invasive Imaging of relative pressure - comparison of approaches by joint velocity and acceleration encoded 4D-Flow MRI

Primary: Analysis Methods - Data Processing
Secondary: Cardiovascular - Flow
607-01-005 · Advanced Cardiac Quantification Methods · Thursday, 14 May, 8:30 AM–10:20 AM · Meeting Room 1.40
Keywords: Hemodynamics Pressure gradient 4D flow imaging Acceleration-encoding 4D Flow MRI Physics-informed image analysis
Accepted
Vincent Lechner 1, Priya J Nair2,3,4,5, Michael Loecher3,4,5, Charles McGrath3,4, Simon Thalén3,4,5,6, Carlos A Castillo-Passi3,4,5, Lorenzo Ferrari3,4,5, Chenwei Tang3,4,5, David Nordsletten7, Daniel B Ennis2,3,4,5, David Marlevi1,8
1Department of Molecular Medicine and Surgery, Karolinska Institutet, Solna, Sweden
2Department of Bioengineering, Stanford University, Stanford, United States of America
3Department of Radiology, Stanford University, Stanford, United States of America
4Cardiovascular Institute, Stanford University, Stanford, United States of America
5Division of Radiology, Veterans Administration Health Care System, Palo Alto, United States of America
6Department of Clinical Physiology, Karolinska Institutet and University Hospital, Stockholm, Sweden
7Biomedical Engineering, University of Michigan, Ann Arbor, United States of America
8Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America
Presenting Author: Vincent Lechner

Synopsis

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References

1. Ebbers T, Wigström L, Bolger AF, Engvall J, Karlsson M. Estimation of relative cardiovascular pressure using time-resolved three-dimensional phase contrast MRI. Magn Res Medicine. 2001:45(5):872-79. doi: 10.1002/mrm.1116. PMID: 11323814. [doi] [pmid]
2. Krittian SBS, Lamata P, Michler C, Nordsletten DA, Bock J, Bradley CP, Pitcher A, Kilner PJ, Markl M, Smith NP. A finite-element approach to the direct computation of relative cardiovascular pressure from time-resolved MR velocity data. Med Im An. 2012:16:5. doi: 10.1016/j.media.2012.04.003. [doi]
3. Marlevi D, Ruijsink B, Balmus M, Dillon-Murphy D, Fovargue D, Pushparajah K, Bertoglio C, Colarieti-Tosti M, Larsson M, Lamata P, Figueroa CA, Razavi R, Nordsletten DA. Estimation of cardiovascular relative pressure using virtual work-energy. Sci Rep. 2019:1375.https://doi.org/10.1038/s41598-018-37714-0 [doi]
4. Loecher M, Nair PJ, Ennis D. Joint velocity and acceleration encoding for improved pressure gradient mapping in flow imaging. ISMRM 2023, Toronto, Canada. https://doi.org/10.58530/2023/1073 [doi]
5. Zimmermann, J., Loecher, M., Kolawole, F.O. et al. On the impact of vessel wall stiffness on quantitative flow dynamics in a synthetic model of the thoracic aorta. Sci Rep 11, 6703 (2021). https://doi.org/10.1038/s41598-021-86174-6 [doi]

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http://echo.ismrm.org/p/ISMRM2026/607-01-005