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Abstract #0980

A comparison of Enhanced Acceleration-Selective Arterial Spin Labeling (eAccASL) and Background Suppressed Single shot TFE-TRANCE (BASS TRANCE) for the peripheral arteries

Natsuo Konta1, Shuhei Shibukawa1, Makoto Obara2, Yuta Akamine2, Tomohiko Horie1, Takashi Okazaki3, Yui Nagafuji3, Tetsu Niwa3, and Yutaka Imai3

1Department of Radiology, Tokai University Hospital, Isehara, Kanagawa, Japan, 2Philips Japan, Shinagawa, Tokyo, Japan, 3Department of Diagnostic Radiology, Tokai University School of Medicine, Isehara, Kanagawa, Japan

We evaluated the peripheral MR angiography (MRA) of 8 healthy volunteers using conventional and enhanced acceleration-selective arterial spin labeling (cAccASL, eAccASL), and Background suppressed single shot TFE-TRANCE (BASS TRANCE). In eAccASL, additional 180┬░refocusing pulses and motion sensitized gradients (MSGs) will compensate for B1 inhomogeneity and eddy current effects at 3.0 Tesla. Contrast ratios for BASS TRANCE was the highest values, compared to cAccASL and eAccASL. However, qualitative assessment showed eAccASL could provide more robust visualization than cAccASL and similar visualization to BASS TRANCE. Therefore, eAccASL can provide the more robust peripheral MRA without any gating.

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