Abstract #2152

Rapid diastolic-phase only TRANCE non-contrast MR angiography in screening of systemic artery aneurysm in patients with Kawasaki disease

Haruki Nonaka¹, Masami Yoneyama², Masahiro Tahara³, Tetsuya Nitta⁴, Mio Okano¹, Yuko Morikawa¹, Susumu Kariyama¹, Tomohiro Kimura¹, Yoriaki Matsumoto¹, Takanori Masuda¹, Naoyuki Imada⁵, and Tomoyasu Sato⁶

¹Department of Radiological Technology, Tsuchiya General Hospital, Hiroshima, Japan, ²Philips Japan, Tokyo, Japan, ³Department of Pediatrics, Tsuchiya General Hospital, Hiroshima, Japan, ⁴Nitta Pediatric Clinic, Hiroshima, Japan, ⁵Department of Health Care, North Hiroshima Hospital, Hiroshima, Japan, ⁶Department of Radiology, Tsuchiya General Hospital, Hiroshima, Japan

The purpose of this study was to demonstrate the clinical feasibility and utility of diastolic-phase only ECG-triggered non-contrast-enhanced MR angiography (TRANCE) in screening of systemic artery aneurysms (SAA) in Kawasaki disease patients. Diastolic-phase only TRANCE provided consistent high image quality for evaluating main arteries in children with the average scanning time around 155sec in addition to routine coronary MRA screening. Diastolic-phase only TRANCE could be useful in SAA screening without significant prolongation of examination time.

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