Abstract #1030

Low Flow Continuous Oxygen Inhalation May Avoid the Incidence of “Transient Severe Motion” (TSM) after Administration of Gadoxetate Disodium

Xiaoqian Jia¹, Jianxin Guo², Xiaocheng Wei³, Jingtao Sun², Xianjun Li², Yangyang Han², Ming Guo⁴, and Jian Yang²

¹Ridiology, The First Affiliated Hospital of Xi'an Jiao Tong University, xi'an, China, ²Radiology, The First Affiliated Hospital of Xi'an Jiao Tong University, xi'an, China, ³GE Healthcare China, xi'an, China, ⁴Radiology, Changan Hospital Affiliated to the First Affiliated Hospital of Xi'an Jiao Tong University, xi'an, China

In this study, we try to provide patients with continuous low flow oxygen inhalation during dynamic contrast-enhanced MR liver imaging to reduce “Transient Severe Motion” (TSM) after administration of gadoxetate disodium. The image quality was quantitatively assessed regarding to motion artifacts for each dynamic phases. The incidences of TSM were also compared between experimental and control groups. The results show that continuous oxygen inhalation at low flow rate can significantly reduce motion artifact and may avoid the occurrence of TSM.

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