2436 ISMRM Abstract

Ultra-high resolution b-tensor encoding using gSlider on a clinical scanner

2436 · Diffusion Acquisition & Reconstruction II · Tuesday, 7 May, 8:15 AM–9:15 AM · Exhibition Hall (Hall 403)

Keywords: Diffusion Acquisition Diffusion/other diffusion imaging techniques

Accepted

Qiang Liu ^1,2, Congyu Liao^3,4, Borjan Gagoski⁵, William A Grissom⁶, Maxim Zaitsev⁷, Jon-Fredrik Nielsen⁸, Berkin Bilgic^9,10, Carl-Fredrik Westin¹, Lipeng Ning¹, Yogesh Rathi¹

¹Brigham and Women's Hospital, Harvard Medical School, Boston, United States of America

²School of Biomedical Engineering, Southern Medical University, Guangzhou, China

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

⁴Department of Electrical Engineering, Stanford University, Stanford, United States of America

⁵Fetal-Neonatal Neuroimaging and Developmental Science Center, Boston Children’s Hospital, Harvard Medical School, Boston, United States of America

⁶Department of Biomedical Engineering, Case School of Engineering, Case Western Reserve University, Cleveland, United States of America

⁷Division of Medical Physics, Department of Radiology, University Medical Center Freiburg, Freiburg, Germany

⁸fMRI Laboratory and Biomedical Engineering, University of Michigan, Ann Arbor, United States of America

⁹Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, United States of America

¹⁰Department of Radiology, Harvard Medical School, Boston, United States of America

Presenting Author: Qiang Liu

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References

1. Westin, C. F. et al. Q-space trajectory imaging for multidimensional diffusion MRI of the human brain. Neuroimage 135, 345–362 (2016).

2. Greenspan, H., Oz, G., Kiryati, N. & Peled, S. MRI inter-slice reconstruction using super-resolution. (2002).

3. Vu, A. T., Beckett, A., Setsompop, K. & Feinberg, D. A. Evaluation of SLIce Dithered Enhanced Resolution Simultaneous MultiSlice (SLIDER-SMS) for human fMRI. (2017).

4. Vis, G., Nilsson, M., Westin, C. F. & Szczepankiewicz, F. Accuracy and precision in super-resolution MRI: Enabling spherical tensor diffusion encoding at ultra-high b-values and high resolution. Neuroimage 245, (2021).

5. Liao, C. et al. Distortion-free, high-isotropic-resolution diffusion MRI with gSlider BUDA-EPI and multicoil dynamic B0 shimming. Magn Reson Med 86, 791–803 (2021).

6. Liao, C. et al. High-fidelity, high-isotropic-resolution diffusion imaging through gSlider acquisition with B1+ and T1 corrections and integrated ΔB0/Rx shim array. Magn Reson Med 83, 56–67 (2020).

7. Setsompop, K. et al. High-resolution in vivo diffusion imaging of the human brain with generalized slice dithered enhanced resolution: Simultaneous multislice (gSlider-SMS). Magn Reson Med 79, 141–151 (2018).

8. Layton, K. J. et al. Pulseq: A rapid and hardware-independent pulse sequence prototyping framework. Magn Reson Med 77, 1544–1552 (2017).

9. Szczepankiewicz, F. et al. Motion-compensated gradient waveforms for tensor-valued diffusion encoding by constrained numerical optimization. Magn Reson Med 85, 2117–2126 (2021).

10. Szczepankiewicz, F. & Sjölund, J. Cross-term-compensated gradient waveform design for tensor-valued diffusion MRI. Journal of Magnetic Resonance 328, (2021).

11. Szczepankiewicz, F., Westin, C. F. & Nilsson, M. Maxwell-compensated design of asymmetric gradient waveforms for tensor-valued diffusion encoding. Magn Reson Med 82, 1424–1437 (2019).

12. Sjölund, J. et al. Constrained optimization of gradient waveforms for generalized diffusion encoding. Journal of Magnetic Resonance 261, 157–168 (2015).

13. Chakwizira, A. et al. Diffusion MRI with free gradient waveforms on a high-performance gradient system: Probing restriction and exchange in the human brain. Neuroimage 283, 120409 (2023).

Cite this abstract

http://echo.ismrm.org/p/ISMRM2024/2436