Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
462-03-004 ISMRM Abstract

Variability of Cerebral Flow Response to Oral Fluid Intake using Dual-VENC 4D-Flow-MRI

Primary: Neuro - Blood Vessels
Secondary: Cardiovascular - Flow
462-03-004 · Heart and Brain Axis · Tuesday, 12 May, 1:40 PM–2:35 PM · Digital Posters Row C
Keywords: 4D flow MRI Cerebral hemodynamics Hydration
Accepted
Ali El Ahmar 1, Andrew P Huang1,2, Adrian Duckert1,3, Patrick Winter1,4, Susanne Schnell1
1Department of Medical Physics, University of Greifswald, Greifswald, Germany
2Department of Surgery, Section of Vascular Surgery, University of Michigan, Ann Arbor, United States of America
3Institute of Diagnostic and Interventional Radiology, Pediatric Radiology and Neuroradiology, University Medical Centre Rostock, Rostock, Germany
4Department of Radiology, University Hospital Greifswald, Greifswald, Germany
Presenting Author: Ali El Ahmar

Synopsis

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References

1. Markl M, Chan FP, Alley MT, et al. Time-resolved three-dimensional phase-contrast MRI. Journal of Magnetic Resonance Imaging. 2003;17(4):499-506. doi:10.1002/jmri.10272 [doi]
2. Schroeder C, Bush VE, Norcliffe LJ, et al. Water drinking acutely improves orthostatic tolerance in healthy subjects. Circulation. 2002;106(22):2806-2811. doi:10.1161/01.CIR.0000038921.64575.D0 [doi]
3. Scott EM, Greenwood JP, Gilbey SG, Stoker JB, Mary DASG. Water Ingestion Increases Sympathetic Vasoconstrictor Discharge in Normal Human Subjects A B S T R A C T. Vol 100.; 2001.
4. Paulson O, Strandgaard S, Edvinsson L. Cerebral autoregulation. . Cerebrovasc Brain Metab . 1990;2(2):161-192.
5. Schnell S, Ansari SA, Wu C, et al. Accelerated dual-venc 4D flow MRI for neurovascular applications. Journal of Magnetic Resonance Imaging. 2017;46(1):102-114. doi:10.1002/jmri.25595 [doi]
6. Joshi GP, Abdelmalak BB, Weigel WA, et al. 2023 American Society of Anesthesiologists Practice Guidelines for Preoperative Fasting: Carbohydrate-containing Clear Liquids with or without Protein, Chewing Gum, and Pediatric Fasting Duration - A Modular Update of the 2017 American Society of Anesthesiologists Practice Guidelines for Preoperative Fasting∗. Anesthesiology. 2023;138(2):132-151. doi:10.1097/ALN.0000000000004381 [doi]
7. Bock J, Kreher BW, Hennig J, Markl M. Optimized pre-processing of time-resolved 2D and 3D phase contrast MRI data. In: 2007.
8. Vali A, Aristova M, Vakil P, et al. Semi-automated analysis of 4D flow MRI to assess the hemodynamic impact of intracranial atherosclerotic disease. Magn Reson Med. 2019;82(2):749-762. doi:10.1002/mrm.27747 [doi]
9. Cheuvront SN, Kenefick RW. Dehydration: Physiology, assessment, and performance effects. Compr Physiol. 2014;4(1):257-285. doi:10.1002/cphy.c130017 [doi]
10. Bateman AR, Bateman GA, Barber T. The relationship between cerebral blood flow and venous sinus pressure: can hyperemia induce idiopathic intracranial hypertension? Fluids Barriers CNS. 2021;18(1). doi:10.1186/s12987-021-00239-2 [doi]
11. Jordan J, Shannon JR, Black BK, et al. The Pressor Response to Water Drinking in Humans A Sympathetic Reflex? Vol 101.; 2000. http://www.circulationaha.org
12. Wen B, Tian S, Cheng J, et al. Test–retest multisite reproducibility of neurovascular 4D flow MRI. Journal of Magnetic Resonance Imaging. 2019;49(6):1543-1552. doi:10.1002/jmri.26564 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/462-03-004