Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
369-06-009 ISMRM Abstract

TGRAPPA-Initialized Unrolled Network for Low-Latency Cine Reconstruction Developed for Interventional MRI

Accepted
Yixuan Liu1, Yu Ding2,3, Samuel T Ting4, Rizwan Ahmad1, Orlando Simonetti 4
1Department of Biomedical Engineering, The Ohio State University, Columbus, United States of America
2The Ohio State University Wexner Medical Center, Columbus, United States of America
3Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, United States of America
4Department of Radiology, The Ohio State University, Columbus, United States of America
Presenting Author: Orlando Simonetti

Synopsis

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References

1. Campbell-Washburn AE, Tavallaei MA, Pop M, et al. Real-time MRI guidance of cardiac interventions. Journal of Magnetic Resonance Imaging. 2017;46(4):935-950. doi:10.1002/jmri.25749 [doi]
2. Velasco Forte MN, Roujol S, Ruijsink B, et al. MRI for Guided Right and Left Heart Cardiac Catheterization: A Prospective Study in Congenital Heart Disease. Journal of Magnetic Resonance Imaging. 2021;53(5):1446-1457. doi:10.1002/jmri.27426 [doi]
3. Velasco Forte MN, Pushparajah K, Schaeffter T, et al. Improved passive catheter tracking with positive contrast for CMR-guided cardiac catheterization using partial saturation (pSAT). Journal of Cardiovascular Magnetic Resonance. 2017;19(1):60. doi:10.1186/s12968-017-0368-0 [doi]
4. Armstrong AK, Liu Y, Kelly JM, et al. Feasibility of magnetic resonance imaging-guided cardiac catheterization, angioplasty, and stenting in a commercial wide-bore 0.55T scanner. J Cardiovasc Magn Reson. 2025;27(1):101858. doi:10.1016/j.jocmr.2025.101858 [doi]
5. Liu Y, Ding Y, Liu Y, et al. Real-Time Image Reconstruction with Deep Denoising for Low-Field MRI-Guided Interventions. In: 2025 IEEE 22nd International Symposium on Biomedical Imaging (ISBI). IEEE; 2025:1-5. Accessed June 20, 2025. doi:10.1109/ISBI60581.2025.10980690 [doi]
6. Sriram A, Zbontar J, Murrell T, et al. End-to-End Variational Networks for Accelerated MRI Reconstruction. In: Martel AL, Abolmaesumi P, Stoyanov D, et al., eds. Medical Image Computing and Computer Assisted Intervention – MICCAI 2020. Springer International Publishing; 2020:64-73. doi:10.1007/978-3-030-59713-9_7 [doi]
7. Vornehm M, Wetzl J, Giese D, et al. CineVN: Variational network reconstruction for rapid functional cardiac cine MRI. Magnetic Resonance in Medicine. 2025;93(1):138-150. doi:10.1002/mrm.30260 [doi]
8. Breuer FA, Kellman P, Griswold MA, Jakob PM. Dynamic autocalibrated parallel imaging using temporal GRAPPA (TGRAPPA). Magnetic Resonance in Medicine. 2005;53(4):981-985. doi:10.1002/mrm.20430 [doi]

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