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Abstract #4512

Fat Saturation Improves Fresh Blood Imaging of Peripheral Vessels in the Calf Station

Marc D Lindley 1,2 , Daniel Kim 1 , Glen Morrell 1 , Marta E Heilbrun 1 , Christopher J Hanrahan 1 , and Vivian S Lee 1

1 UCAIR, Radiology, University of Utah, Salt Lake City, Utah, United States, 2 Physics, University of Utah, Salt Lake City, Utah, United States

Fresh blood imaging (FBI) is based on subtraction of two acquisitions done at two different cardiac phases, by which the background signal cancels out. In clinical practice, however, we observe residual background signal after subtraction, which makes it challenging to visualize the vessels. In this study we sought to add fat saturation to FBI, in order to suppress better suppress background signal. We imaged eight patients with peripheral arterial disease using FBI with and without fat saturation, and our results show that FBI with fat saturation improves background suppression compared with FBI without fat saturation.

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