461-01-009 ISMRM Abstract

Accelerated motion-corrected 3D whole-heart T2 mapping at 0.55 T

Primary: Acquisition & Reconstruction - Quantitative Imaging: chest, abdomen, and pelvis

Secondary: Cardiovascular - Myocardium

461-01-009 · Cardiac Tissue Characterization · Tuesday, 12 May, 8:20 AM–9:15 AM · Digital Posters Row B

Keywords: Myocardium T2 mapping 0.55T Accessible MRI 3D MRI

Accepted

Dabne C Barrera ^1,2, Rafael De La Sotta¹, Carlos A Castillo-Passi³, Karl P Kunze⁴, Rene M Botnar^1,2,5, Claudia Prieto^1,2,5

¹Millennium Institute for Intelligent Healthcare Engineering - iHEALTH, Santiago, Chile

²Department of Electrical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile

³Department of Radiology, Stanford University, Stanford, United States of America

⁴Siemens MR Research Collaborations, Siemens Healthcare Limited, Camberley, United Kingdom

⁵Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Santiago, Chile

Presenting Author: Dabne C Barrera

Synopsis

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References

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2. Ferreira, V. M., Piechnik, S. K., Robson, M. D., Neubauer, S. & Karamitsos, T. D. Myocardial Tissue Characterization by Magnetic Resonance Imaging. J. Thorac. Imaging 29, 147–154 (2014).

3. Zandwijk, J. K. van et al. Comparing the signal enhancement of a gadolinium based and an iron-oxide based contrast agent in low-field MRI. PLOS ONE 16, e0256252 (2021).

4. Holtackers, R. J. et al. Dark-blood late gadolinium enhancement cardiovascular magnetic resonance for improved detection of subendocardial scar: a review of current techniques. J. Cardiovasc. Magn. Reson. Off. J. Soc. Cardiovasc. Magn. Reson. 23, 96 (2021).

5. Pedraza, D., Castillo-Passi, C., Kunze, K., Botnar, R. M. & Prieto, C. Cardiac Magnetic Resonance Fingerprinting for Simultaneous T1, T2, and Fat-Fraction Quantification at 0.55 T. NMR Biomed. 38, e70143 (2025).

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8. Henningsson, M. et al. Whole-heart coronary MR angiography with 2D self-navigated image reconstruction. Magn. Reson. Med. 67, 437–445 (2012).

9. Captur, G. et al. A medical device-grade T1 and ECV phantom for global T1 mapping quality assurance-the T1 Mapping and ECV Standardization in cardiovascular magnetic resonance (T1MES) program. J. Cardiovasc. Magn. Reson. Off. J. Soc. Cardiovasc. Magn. Reson. 18, 58 (2016).

10. Castillo-Passi, C. et al. Highly efficient image navigator based 3D whole-heart cardiac MRA at 0.55T. Magn. Reson. Med. 93, 689–698 (2025).

11. Bustin, A. et al. High‐dimensionality undersampled patch‐based reconstruction (HD‐PROST) for accelerated multi‐contrast MRI. Magn. Reson. Med. 81, 3705–3719 (2019).

12. Castillo-Passi, C. et al. KomaMRI.jl: An open-source framework for general MRI simulations with GPU acceleration. Magn. Reson. Med. 90, 329–342 (2023).

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/461-01-009