Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
664-02-012 ISMRM Abstract

Feasibility of High Resolution Three-dimensional LGE and DTI for Quantifying Atrial Remodeling in Atrial Fibrillation

Primary: Cardiovascular - Arrhythmia
Secondary: Preclinical Animal & in vitro MR - Large Animals, Nonhuman Primates
664-02-012 · Large Animals · Thursday, 14 May, 9:25 AM–10:20 AM · Digital Posters Row E
Keywords: T1 Mapping Late gadolinium enhancement Diffusion Tensor Imaging (DTI) Atrial fibrillation Atrial remodeling
Accepted
George D Thornton1,2, Archana Malagi1, Ashita Bhatnagar3, Jonathan B Louis4,5, Lexiaozi Fan4, Dima Bishara6, KyungPyo Hong4, Brandon Benefield3, Daniel C Lee7,8, Hsin-Jung Yang1, Christopher Nguyen9,10,11, Daniel Kim4,7, Anna Pfenniger3, Suvai Gunasekaran1
1Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, United States of America
2Institute of Cardiovascular Science, University College of London, UCL, London, United Kingdom
3Department of Cardiology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America
4Radiology, Northwestern University Feinberg School of Medicine, Chicago, United States of America
5Biomedical Engineering, Northwestern University, Chicago, United States of America
6Department of Biomedical Engineering, Northwestern University, Evanston, Illinois, United States of America
7Northwestern University Feinberg School of Medicine, Chicago, United States of America
8Division of Cardiology, Internal Medicine, Northwestern University Feinberg School of Medicine, Chicago, United States of America
9Cleveland Clinic, Cleveland, United States of America
10Heart Vascular Thoracic Institute, Cardiovascular Innovation Research Center, Cleveland Clinic, Cleveland, United States of America
11Cardiovascular Innovation Research Center, Heart Vascular Thoracic Institute, Cleveland Clinic, Cleveland, United States of America
Presenting Author: Haoran Li

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References

1. Ko D, Chung MK, Evans PT, Benjamin EJ, Helm RH. Atrial Fibrillation: A Review. JAMA. 2025;333:329-342. doi: 10.1001/jama.2024.22451 [doi]
2. Horrach CV, Bevis L, Nwanna C, Zolotarev AM, Ehnesh M, Misghina SB, Al-Aidarous S, Honarbakhsh S, Roney CH. Atrial fibrosis in atrial fibrillation: Mechanisms, mapping techniques and clinical applications. J Physiol. 2025. doi: 10.1113/JP288680 [doi]
3. Kamali R, Kwan E, Regouski M, Bunch TJ, Dosdall DJ, Hsu E, Macleod RS, Polejaeva I, Ranjan R. Contribution of atrial myofiber architecture to atrial fibrillation. PLoS One. 2023;18:e0279974. doi: 10.1371/journal.pone.0279974 [doi]
4. Hong Kea. 3D Isotropic Wideband LGE Pulse Sequence Using a Combination of Stack-of-stars K-space Sampling, 2D Self-navigation, and XD-GRASP Reconstruction: A Preliminary Evaluation in Patients with an ICD. JCMR. 2024;26.
5. Nguyen C, Fan Z, Sharif B, He Y, Dharmakumar R, Berman DS, Li D. In vivo three-dimensional high resolution cardiac diffusion-weighted MRI: a motion compensated diffusion-prepared balanced steady-state free precession approach. Magn Reson Med. 2014;72:1257-1267. doi: 10.1002/mrm.25038 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/664-02-012