Sodium inversion recovery MRI on the knee joint at 7 T with an optimal control pulse
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- 作者：Jae-Seung Lee ; JaeSeung.Lee@nyumc.org" class="auth_mail" title="E-mail the corresponding author ; Ding Xia ; Guillaume Madelin ; Ravinder R. Regatte
- 关键词：Sodium ; Knee ; MRI ; Optimal control ; Fermat looped ; Orthogonally encoded trajectories
- 刊名：Journal of Magnetic Resonance
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：262
- 期：Complete
- 页码：33-41
- 全文大小：996 K
文摘
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Optimal control theory was used to find a shaped pulse for fluid-suppressed 23Na MRI.
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The performance of the shaped pulse was demonstrated through in vivo knee MRI.
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The fluid suppression was as good as the conventional method.
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Higher signal intensities were produced in cartilage tissues.
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The RF power deposition to the body was reduced by 58%.