日本小児循環器学会雑誌 Pediatric Cardiology and Cardiac Surgery

Online ISSN: 2187-2988 Print ISSN: 0911-1794
特定非営利活動法人日本小児循環器学会 Japanese Society of Pediatric Cardiology and Cardiac Surgery
〒162-0801東京都新宿区山吹町358-5アカデミーセンター Japanese Society of Pediatric Cardiology and Cardiac Surgery Academy Center, 358-5 Yamabuki-cho, Shinju-ku, Tokyo 162-0801, Japan
Pediatric Cardiology and Cardiac Surgery 32(3): 223-229 (2016)
doi:10.9794/jspccs.32.223

症例報告Case Report

川崎病冠動脈病変の血管壁評価におけるMR coronary vessel wall imagingと光干渉断層法の比較Vessel Wall Evaluations of Coronary Arterial Lesions in Kawasaki Disease: Comparison of Magnetic Resonance Imaging and Optical Coherence Tomography Findings

1あかね会土谷総合病院小児科Department of Pediatrics, Tsuchiya General Hospital ◇ Hiroshima, Japan

2あかね会土谷総合病院放射線科Department of Radiology, Tsuchiya General Hospital ◇ Hiroshima, Japan

受付日:2015年11月2日Received: November 2, 2015
受理日:2016年3月15日Accepted: March 15, 2016
発行日:2016年5月1日Published: May 1, 2016
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川崎病冠動脈病変後遺症における血管内膜の評価は重要である.Black blood(BB)法を用いたmagnetic resonance coronary vessel wall imagingで血管壁肥厚を指摘された川崎病冠動脈病変合併症例4例に対し,光干渉断層法(optical coherence tomography: OCT)を用いて,血管内膜病変の観察を行った.全症例においてBB法で血管壁肥厚が存在した部位に一致して,OCTで内膜肥厚を認めた.BB法で均一に描出された血管壁にはOCTで様々な病変を認めた.BB法とOCTの比較で,BB法で血管内膜肥厚の存在が評価可能なことが示唆された.BB法は川崎病冠動脈病変における血管内膜病変のスクリーニングに有用であると考えた.

Evaluation of the coronary arterial intima is important in the follow-up of coronary arterial lesions complicated by Kawasaki disease (KD). We evaluated the lesions in four cases of KD using optical coherence tomography (OCT), which can show vessel wall thickness on magnetic resonance imaging (MRI) of the coronary vessel wall using the black blood method (BB). All cases showed intimal thickening on OCT at areas of thickened vessel wall using BB. Although vessel wall thickening was detected as iso-intensity with BB, OCT showed various histological features of the intima at these lesions. We revealed that intimal thickening is evaluable using BB compared with OCT findings. MRI of coronary vessel walls with BB may be useful in screening for intimal thickening of coronary arterial lesions complicated with KD.

Key words: Kawasaki disease; magnetic resonance coronary angiography; black blood method; coronary arterial wall thickness; optical coherence tomography

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