Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
352-01-015 / 352-01-015 ISMRM Abstract

Software control of pTx RF coefficients using Pulseq at 7T

Primary: Acquisition & Reconstruction - Open source software, sequences, and reconstruction algorithms
Secondary: Physics & Engineering - High-Field MRI
352-01-015 · New Methods: Acquisition and Reconstruction · Monday, 11 May, 8:20 AM–9:56 AM · Power Pitch Theatre 2
352-01-015 · New Methods: Acquisition and Reconstruction · Monday, 11 May, 8:20 AM–9:56 AM · Power Pitch Theatre 2
Keywords: 7T Pulseq Ultra high field MRI RF shimming Pulse sequence developoment
Accepted
Berkin Bilgic 1,2, Xingwang Yong1,2, Manoe Meunier1,2, Yuting Chen1,2,3, Kwok-Shing Chan1,2, Yohan Jun1,2, Borjan Gagoski1,4, Renzo Huber1,2, Jason Stockmann1,2, Bastien Guerin1,2, Maxim Zaitsev5
1Harvard Medical School, Boston, United States of America
2Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, United States of America
3State Key Laboratory of Extreme Photonics and Instrumentation,, College of Optical Science and Engineering, Zhejiang University, Hangzhou, China
4Fetal-Neonatal Neuroimaging and Developmental Science Center, Boston Children’s Hospital, Boston, United States of America
5Division of Medical Physics, Department of Diagnostic and Interventional Radiology, University Medical Center Freiburg, Freiburg, Germany
Presenting Author: Berkin Bilgic

Synopsis

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References

1. Metzger GJ, Snyder C, Akgun C, Vaughan T, Ugurbil K, Van de Moortele PF. Local B1+ shimming for prostate imaging with transceiver arrays at 7T based on subject-dependent transmit phase measurements. Magnetic Resonance in Medicine. 2008;59(2):396-409.
2. Papp D, Gilbert KM, Cereza G, et al. RF shimming in the cervical spinal cord at 7 T. Magnetic Resonance in Medicine. 2024;92(6):2392-2403.
3. Zwart NR, ISMRM. (ISMRM 2010) 16-Channel Tx/Rx Body Coil for RF Shimming with Selected Cp Modes at 7T. https://archive.ismrm.org/2010/0050.html. Accessed October 29, 2025.
4. Pfaffenrot V, Brunheim S, Rietsch SHG, et al. An 8/15-channel Tx/Rx head neck RF coil combination with region-specific B1+ shimming for whole-brain MRI focused on the cerebellum at 7T. Magnetic Resonance in Medicine. 2018;80(3):1252-1265.
5. van den Bergen B, Van den Berg CAT, Bartels LW, Lagendijk JJW. 7 T body MRI: B1 shimming with simultaneous SAR reduction. Phys Med Biol. 2007;52(17):5429-5441.
6. Katscher U, Börnert P, Leussler C, van den Brink JS. Transmit SENSE. Magnetic Resonance in Medicine. 2003;49(1):144-150.
7. Zhu Y. Parallel excitation with an array of transmit coils. Magnetic resonance in medicine. 2004;51(4). doi:10.1002/mrm.20011 [doi]
8. Padormo F, Beqiri A, Hajnal JV, Malik SJ. Parallel transmission for ultrahigh-field imaging. NMR in Biomedicine. 2016;29(9):1145-1161.
9. Layton KJ, Kroboth S, Jia F, et al. Pulseq: A rapid and hardware-independent pulse sequence prototyping framework. Magn Reson Med. 2017;77(4):1544-1552.
10. Release v1.5.1 · pulseq/pulseq. GitHub. https://github.com/pulseq/pulseq/releases/tag/v1.5.1. Accessed October 29, 2025.
11. Orzada S, Maderwald S, Poser BA, Bitz AK, Quick HH, Ladd ME. RF excitation using time interleaved acquisition of modes (TIAMO) to address B1 inhomogeneity in high-field MRI. Magn Reson Med. 2010;64(2):327-333.
12. Curtis AT, Gilbert KM, Martyn Klassen L, Gati JS, Menon RS. Slice-by-slice B1+ shimming at 7 T. Magnetic Resonance in Medicine. 2012;68(4):1109-1116.
13. Gras V, Vignaud A, Amadon A, Le Bihan D, Boulant N. Universal pulses: A new concept for calibration-free parallel transmission. Magnetic Resonance in Medicine. 2017;77(2):635-643.
14. Roos THM, Versteeg E, Gosselink M, et al. pTx-Pulseq in hybrid sequences: Accessible and advanced hybrid open-source MRI sequences on Philips scanners. Magnetic Resonance in Medicine. 2025;94(5):1946-1962.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/352-01-015