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Abstract #0455

Evaluation of lower extremity arteries with severe wall calcification in peripheral arterial disease (PAD); comparison of Fresh blood imaging (FBI) with CT angiography with using a commercially available calcification removable tool

Katsumi NAKAMURA1,2, Akiyoshi Yamamoto1, Hiroki Matoba1, Yuji Shintani1, Daiji Uchiyama1, Seigo Yoshida1, and Mitsue Miyazaki3

1Radiology, Tobata Kyoritsu Hospital, Kitakyushu, Japan, 2Nexus Image Lab, Kitakyushu, Japan, 3Toshiba Medical Research Institute USA, Inc., Vernon Hills, IL, United States

We compared the diagnostic ability of FBI with that of CTA with using a calcification removal tool in the evaluation of the lower-extremity arteries with wall calcifications. In all segments, FBI provided diagnostic images regardless of the degree of wall calcification. On the contrary, CTA-MIP and CTA-MIP w/o Ca were strongly affected by calcification. The diagnostic ability of FBI was significantly superior to that of CTA-MIP and CTA-MIP w/o Ca in the moderate to severe calcified arterial segments. In conclusion, FBI is an accurate and noninvasive alternative to CTA for the assessment of aortoiliac and lower extremity arteries in patients with PAD.

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