Eight-Channel Monopole Array Using ICE Decoupling for Human Head MR Imaging at 7 T
- Autores: Yan X.1,2,3, Wei L.2,3, Chu S.1, Xue R.1,4, Zhang X.5,6
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Afiliações:
- State Key Laboratory of Brain and Cognitive Science, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences
- Key Laboratory of Nuclear Radiation and Nuclear Energy Technology, Institute of High Energy Physics, Chinese Academy of Sciences
- Beijing Engineering Research Center of Radiographic Techniques and Equipment
- Beijing Institute for Brain Disorders
- Department of Radiology and Biomedical Imaging, University of California San Francisco
- UCSF/UC Berkeley Joint Graduate Group in Bioengineering
- Edição: Volume 47, Nº 5 (2016)
- Páginas: 527-538
- Seção: Article
- URL: https://journals.rcsi.science/0937-9347/article/view/247466
- DOI: https://doi.org/10.1007/s00723-016-0775-7
- ID: 247466
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Resumo
Due to the unique structure of radiative coil elements, traditional decoupling methods face technical challenges in reducing the electromagnetic coupling of the radiative arrays. In this study, we aim to investigate the possibility of using the recently introduced induced current elimination (ICE) decoupling technique for cylindrical shaped radiative coil array designs. To evaluate the method, an eight-channel transmit/receive monopole array with the ICE decoupling, suitable for human head imaging at 7 T, was built and comparatively investigated. In vivo human head images were acquired and geometry factor maps were measured and calculated to evaluate the performance of the ICE-decoupled monopole array. Compared with the monopole array without decoupling methods, the ICE-decoupled monopole array had a higher signal-to-noise ratio and demonstrated improved parallel imaging ability. The experimental results indicate that the ICE decoupling method is a promising solution to addressing the coupling issue of radiative array at ultrahigh fields.
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Sobre autores
Xinqiang Yan
State Key Laboratory of Brain and Cognitive Science, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences; Key Laboratory of Nuclear Radiation and Nuclear Energy Technology, Institute of High Energy Physics, Chinese Academy of Sciences; Beijing Engineering Research Center of Radiographic Techniques and Equipment
Autor responsável pela correspondência
Email: xinqiang.yan@vanderbilt.edu
República Popular da China, Beijing, 100101; Beijing, 100049; 19B Yuquan Road, Shijingshan District, Beijing, 100049
Long Wei
Key Laboratory of Nuclear Radiation and Nuclear Energy Technology, Institute of High Energy Physics, Chinese Academy of Sciences; Beijing Engineering Research Center of Radiographic Techniques and Equipment
Email: xiaoliang.zhang@ucsf.edu
República Popular da China, Beijing, 100049; 19B Yuquan Road, Shijingshan District, Beijing, 100049
Suoda Chu
State Key Laboratory of Brain and Cognitive Science, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences
Email: xiaoliang.zhang@ucsf.edu
República Popular da China, Beijing, 100101
Rong Xue
State Key Laboratory of Brain and Cognitive Science, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences; Beijing Institute for Brain Disorders
Email: xiaoliang.zhang@ucsf.edu
República Popular da China, Beijing, 100101; Beijing, 100053
Xiaoliang Zhang
Department of Radiology and Biomedical Imaging, University of California San Francisco; UCSF/UC Berkeley Joint Graduate Group in Bioengineering
Autor responsável pela correspondência
Email: xiaoliang.zhang@ucsf.edu
Estados Unidos da América, Byers Hall, Room 102, 1700 4th ST, San Francisco, CA, 941582330; San Francisco, CA, 94158