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Abstract #3476

Feasibility of coronary artery wall imaging using 3D turbo spin-echo (black blood -T1-VISTA) in children with Kawasaki disease

Koji Matsumoto1,2, Hajime Yokota3, Hiroki Mukai3, Naoki Saito4, Yoshitada Masuda1, Takashi Uno3, and Tosiaki Miyati2

1Department of Radiology, Chiba University Hospital, Chiba, Japan, 2Division of Health Sciences, Graduate School of Medial Science, Kanazawa University, Kanazawa, Japan, 3Diagnostic Radiology and Radiation Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan, 4Department of Pediatrics, Chiba University Hospital, Chiba, Japan

We evaluate feasibility of three-dimensional turbo spin echo imaging (BB-T1-VISTA) as coronary artery wall imaging for Kawasaki disease. BB-T1-VISTA could visualize the proximal regions of the coronary artery appropriately. BB-T1-VISTA with axial orientation produced the highest reproducibility to magnetic resonance coronary angiography (MRCA). Although BB-T1-VISTA showed significantly smaller diameter than MRCA, the limits of agreement were small in the proximal regions with normal diameter. By contrast, the larger aneurysms were, the larger bias became between MRCA and BB-T1-VISTA. BB-T1-VISTA has a potential to evaluate wide range of the coronary artery at once and was feasible in regions with small diameter.

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