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Qi X, Sun J, Zhu J, Kong D, Roberts N, Dong Y, Huang X, He Q, Xing H, Gong Q. SPatiotemporal-ENcoded acoustic radiation force imaging of focused ultrasound. Front Hum Neurosci 2023; 17:1184629. [PMID: 37180550 PMCID: PMC10172656 DOI: 10.3389/fnhum.2023.1184629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 04/03/2023] [Indexed: 05/16/2023] Open
Abstract
Neuromodulation technology has provided novel therapeutic approaches for diseases caused by neural circuit dysfunction. Transcranial focused ultrasound (FU) is an emerging neuromodulation approach that combines noninvasiveness with relatively sharp focus, even in deep brain regions. It has numerous advantages such as high precision and good safety in neuromodulation, allowing for modulation of both peripheral and central nervous systems. To ensure accurate treatment targeting in FU neuromodulation, a magnetic resonance acoustic radiation force imaging (MR-ARFI) sequence is crucial for the visualization of the focal point. Currently, the commonly used 2D Spin Echo ARFI (2D SE-ARFI) sequence suffers from the long acquisition time, while the echo planar imaging ARFI (EPI-ARFI) sequence with a shorter acquisition time is vulnerable to the magnetic field inhomogeneities. To address these problems, we proposed a spatiotemporal-encoded acoustic radiation force imaging sequence (i.e., SE-SPEN-ARFI, shortened to SPEN-ARFI) in this study. The displacement at the focal spot obtained was highly consistent with that of the SE-ARFI sequence. Our research shows that SPEN-ARFI allows for rapid image acquisition and has less image distortions even under great field inhomogeneities. Therefore, a SPEN-ARFI sequence is a practical alternative for the treatment planning in ultrasound neuromodulation.
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Affiliation(s)
- Xu Qi
- College of Physics, Sichuan University, Chengdu, China
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Jiayu Sun
- Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Jiayu Zhu
- Central Research Institute, United Imaging Healthcare Group, Shanghai, China
| | - Dechen Kong
- College of Physics, Sichuan University, Chengdu, China
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
| | - Neil Roberts
- College of Physics, Sichuan University, Chengdu, China
- Edinburgh Imaging and Centre for Reproductive Health (CFRH), Queen's Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Yijing Dong
- Central Research Institute, United Imaging Healthcare Group, Shanghai, China
| | - Xiaoqi Huang
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
- Research Unit of Psychoradiology, Chinese Academy of Medical Sciences, Chengdu, China
| | - Qiang He
- Brain Laboratory, United Imaging Research Institute of Innovative Medical Equipment, Shenzhen, China
| | - Haoyang Xing
- College of Physics, Sichuan University, Chengdu, China
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
- Research Unit of Psychoradiology, Chinese Academy of Medical Sciences, Chengdu, China
| | - Qiyong Gong
- Huaxi MR Research Center (HMRRC), Department of Radiology, West China Hospital of Sichuan University, Chengdu, China
- Research Unit of Psychoradiology, Chinese Academy of Medical Sciences, Chengdu, China
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