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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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