Abstract #2157

Non-triggered, non-contrast lower extremity artery-weighted REACT : Impact of patient positioning for improving artery-vein contrast

Hiroshi Hamano¹, Masami Yoneyama¹, Yasuhiro Goto², Takayuki Sakai³, Yasutomo Katsumata⁴, and Kenji Iinuma¹

¹Philips Japan, Tokyo, Japan, ²Department of Radiological Services, Tokyo Women's Medical University, Tokyo, Japan, ³Radiology, Eastern Chiba Medical Center, Chiba, Japan, ⁴Philips Healthcare, Tokyo, Japan

Artery-weighted REACT (REACT-Art), which is optimized the T2prep-time and TFE factor to improve the artery-vein contrast has been proposed, and it provide good artery-dominant contrast compared to conventional REACT. In this study, we focused on the impact of patient positioning to improve the artery-vein contrast with higher robustness, such as raising patient’s heels, putting patient’s heels down, compressing the patient’s legs. we have demonstrated that the patient-positioning like the patient legs to be compressed, and wearing compression stockings might achieve improved artery-vein contrast of REACT-Art with high stability and robustness in the lower extremities without use of contrast-enhancement and ECG-triggering.

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