Noise reduction in 3D perfusion imaging by attenuating the static signal in arterial spin tagging (ASSIST)
Noise reduction in 3D perfusion imaging by attenuating the static signal in arterial spin tagging (ASSIST)
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DOI：
10.1002/1522-2594(200007)44:1
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发表时间：
2000-07
影响因子：
3.3
通讯作者：
F. Ye;J. Frank;Daniel R. Weinberger;A. McLaughlin
中科院分区：
文献类型：
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作者：
F. Ye;J. Frank;Daniel R. Weinberger;A. McLaughlin
使用相位编码多激发SPIRAL方法，通过动脉自旋标记方法采集人体头部的真实3D脑血流图像。多重反转背景抑制技术可抑制静态磁场中采集间波动引起的相位噪声，可将使用动脉自旋标记方法采集的真实3D ΔM图像的时间标准差降低约50%。背景抑制动脉自旋标记（ASSIST）方法用于获得高分辨率各向同性真实3D脑血流图像，并在认知（工作记忆）任务期间获得真实3D激活图像。Magn Reson Med 44：92-100，2000。2000年出版Wiley利斯公司
Phase‐encoded multishot SPIRAL approaches were used to acquire true 3D cerebral blood flow images of the human head using arterial spin tagging approaches. Multiple‐inversion background suppression techniques, which suppress phase noise due to interacquisition fluctuations in the static magnetic field, reduced the temporal standard deviation of true 3D ΔM images acquired using arterial spin tagging approaches by ∼50%. Background suppressed arterial spin tagging (ASSIST) approaches were used to obtain high‐resolution isotropic true 3D cerebral blood flow images, and to obtain true 3D activation images during cognitive (working memory) tasks. Magn Reson Med 44:92–100, 2000. Published 2000 Wiley‐Liss, Inc.