451-01-006 / 451-01-006 ISMRM Abstract

A Transform-Domain Modal Decomposition Strategy for RF Shimming in Ultra-High-Field MRI

Primary: Physics & Engineering - High-Field MRI

Secondary: Physics & Engineering - Parallel Transmit & Multiband

451-01-006 · Parallel Transmission at High Fields · Tuesday, 12 May, 8:20 AM–9:56 AM · Power Pitch Theatre 1

Keywords: RF shimming 5T MRI Ultra-high field (UHF) MRI B1 inhomogeneity Parallel Transmit

Accepted

Nan Li^1,2, Feng Du^1,2, Yurun Ouyang ^1,2, Zhuoyang Lin^1,2, Wei Cao^1,2, Wenhao Liao^1,2, Peiyu He^1,2, Shang Gao^1,2, Zhiguang Mo^1,2, Yizhi Cui^1,2, Shahzeb Hayat^1,2, Xiaoliang Zhang³, Yining Wang⁴, Ye Li^1,2

¹Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China

²Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen, China

³Department of Biomedical Engineering, State University of New York at Buffalo, Buffalo, United States of America

⁴Department of Radiology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College. Address: No.1, Shuaifuyuan, Dongcheng District, Beijing 100730, China

Presenting Author: Yurun Ouyang

Synopsis

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References

1. Dewey. M, Siebes. M, Kachelrie. M, et al. “Clinical quantitative cardiac imaging for the assessment of myocardial ischaemia”, Nature Reviews Cardiology, vol.17, pp: 427-450, 2020.

2. Guo. R, Sebastian Weingärtner, Paulina Šiuryte,et al. “Emerging Techniques in Cardiac Magnetic Resonance Imaging”. Journal of Magnetic Resonance Imaging, vol.55, 2021.

3. Williams. S, McElhinney. P, Gunamony. S, et al. “Ultra-high field MRI: parallel-transmit arrays and RF pulse design”, Physics in Medicine & Biology, vol.68, 2023.

4. Paez. A, Gu. C, Cao. Z. “Robust RF shimming and small-tip-angle multispoke pulse design with finite-difference regularization”. Magnetic Resonance in Medicine. vol.86, pp: 1472-1481, 2021.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/451-01-006