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Abstract #3875

Non contrast enhanced MRA of the supra-aortic arteries with compressed sensing and parallel imaging

Takayuki Masui 1 , Motoyuki Katayama 1 , Naoyuki Takei 2 , Kevin F King 3 , Kimihiko Sato 1 , Kei Tsukamoto 1 , Kenichi Mizuki 1 , Masayoshi Sugimura 1 , and Koji Yoneyama 1

1 Radiology, Seirei Hamamatsu General Hospital, Hamamatsu, Shizuoka, Japan, 2 GE Healthcare Japan, Hino, Tokyo, Japan, 3 GE Healthcare, Waukesha, Wisconsin, United States

Noncontrast-enhanced MRA with investigational version of IFIR FSE can be obtained for evaluation of arteries from aortic arch to skull base with compressed sensing (CS) and parallel imaging ARC within a short period time. Thirty-seven patients with possible cerebrovascular diseases were studied. Reduction of imaging time of MRA with acceptable image quality can be made with ARC 3x2 or ARC 3x1+CS. This technique can be used as a screening method for neck arteries additional to MRI and MRA of the head. Further optimization of sequences for ARC and CS may be required for reduction of imaging time.

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