Abstract #3476

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

Koji Matsumoto^1,2, 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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