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Abstract #4611

Effects of vascular territories on the efficiency of DANTE preparation pulse for ASL

Shota Ishida1, Hirohiko Kimura2, Naoyuki Takei3, Yasuhiro Fujiwara4, Tsuyoshi Matsuda5, and Nobuyuki Kosaka2
1Department of Radiological Technology, Faculty of medical sciences, Kyoto College of Medical Science, Nantan, Japan, 2Department of Radiology, Faculty of Medical Sciences, University of Fukui, Eiheiji, Japan, 3GE Healthcare, Tokyo, Japan, 4Department of Medical Image Sciences, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan, 5Division of Ultra-high Field MRI, Institute for Biomedical Science, Iwate Medical University, Shiwa-gun, Japan


This study aimed to assess whether the efficiency of DANTE, a vascular suppression in ASL, is affected by vascular territories. CBF, transit times (TT), and their rates of change were determined in nine vascular territories from the proximal to distal regions. Although CBF reduction rates were not different among the territories, TT extension rates were lower in the distal region than in other regions. No correlation was observed between TT extension and CBF reduction rates. DANTE efficiency is not affected by transit time or vascular territories. Homogenous vascular suppression effects could be obtained by DANTE-ASL.

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