Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
451-03-011 / 451-03-011 ISMRM Abstract

Arrhythmia Rejection Does Not Alter Left Atrial Fibrosis Quantification from 3D LGE in Patients with Atrial Fibrillation

Primary: Cardiovascular - Arrhythmia
Secondary: Acquisition & Reconstruction - Subsampling: Parallel imaging, compressed sensing and low-rank modeling
451-03-011 · Cardiac Structure, Function, and Tissue Characterization · Tuesday, 12 May, 4:00 PM–5:36 PM · Power Pitch Theatre 1
451-03-011 · Cardiac Structure, Function, and Tissue Characterization · Tuesday, 12 May, 4:00 PM–5:36 PM · Power Pitch Theatre 1
Keywords: Arrhythmia Late gadolinium enhancement Fibrosis Compressed Sensing MRI Atrial fibrillation
Accepted
Jonathan B Louis 1,2, KyungPyo Hong1, Rod S Passman3, Daniel Kim1,4
1Radiology, Northwestern University Feinberg School of Medicine, Chicago, United States of America
2Biomedical Engineering, Northwestern University, Chicago, United States of America
3Division of Cardiology, Internal Medicine, Northwestern University Feinberg School of Medicine, Chicago, United States of America
4Northwestern University Feinberg School of Medicine, Chicago, United States of America
Presenting Author: Jonathan B Louis

Synopsis

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References

1. [1] Peters DC, Wylie JV, Hauser TH, et al. Recurrence of atrial fibrillation correlates with the extent of post-procedural late gadolinium enhancement: a pilot study. JACC Cardiovasc Imaging 2009;2:308–16. https://doi.org/10.1016/j.jcmg.2008.10.016. [doi]
2. [2] Burstein B, Nattel S. Atrial fibrosis: mechanisms and clinical relevance in atrial fibrillation. J Am Coll Cardiol 2008;51:802–9. https://doi.org/10.1016/j.jacc.2007.09.064. [doi]
3. [3] Keegan J, Gatehouse PD, Haldar S, et al. Dynamic inversion time for improved 3D late gadolinium enhancement imaging in patients with atrial fibrillation. Magn Reson Med 2015;73:646–54. https://doi.org/10.1002/mrm.25190. [doi]
4. [4] Paul R, Hong K, Topel C, et al. Left atrial fibrosis quantification using an accelerated 3D left atrium late gadolinium enhancement pulse sequence with isotropic spatial resolution: A preliminary evaluation in patients with atrial fIbrillation. J Cardiovasc Magn Reson 2025;27:101605. https://doi.org/10.1016/j.jocmr.2024.101605. [doi]
5. [5] Chubb H, Karim R, Roujol S, et al. The reproducibility of late gadolinium enhancement cardiovascular magnetic resonance imaging of post-ablation atrial scar: a cross-over study. J Cardiovasc Magn Reson Off J Soc Cardiovasc Magn Reson 2018;20:21. https://doi.org/10.1186/s12968-018-0438-y. [doi]
6. [6] Benito EM, Carlosena-Remirez A, Guasch E, et al. Left atrial fibrosis quantification by late gadolinium-enhanced magnetic resonance: a new method to standardize the thresholds for reproducibility. Eur Eur Pacing Arrhythm Card Electrophysiol J Work Groups Card Pacing Arrhythm Card Cell Electrophysiol Eur Soc Cardiol 2017;19:1272–9. https://doi.org/10.1093/europace/euw219. [doi]

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http://echo.ismrm.org/p/ISMRM2026/451-03-011