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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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