Acquisition Time and Reproducibility of Continuous Arterial Spin-Labeling Perfusion Imaging at 3T

被引:31
作者
Gevers, S. [1 ]
Majoie, C. B. L. M. [1 ]
van den Tweel, X. W. [2 ]
Lavini, C. [1 ]
Nederveen, A. J. [1 ]
机构
[1] Univ Amsterdam, Acad Med Ctr, Dept Radiol, NL-1105 AZ Amsterdam, Netherlands
[2] Univ Amsterdam, Acad Med Ctr, Dept Pediat, NL-1105 AZ Amsterdam, Netherlands
关键词
CEREBRAL-BLOOD-FLOW; TERRITORIES; BRAIN; MRI;
D O I
10.3174/ajnr.A1454
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Arterial spin-labeling (ASL) is a relatively new and noninvasive MR imaging technique, used to measure cerebral blood flow (CBF). Scanning time and reproducibility remain important issues in the clinical applicability of ASL. We expected both to benefit from higher field strengths. We describe that when performing ASL at 3T, 20 averages suffice to obtain steady and reproducible CBF values. Scanning time can be as short as 3 minutes.
引用
收藏
页码:968 / 971
页数:4
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