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英文誌(2004-)

Journal of Medical Ultrasonics

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1982 - Vol.9

Vol.9 No.03

Original Article(原著)

(0223 - 0229)

断層心エコー図による川崎病冠動脈瘤の経過観察

Follow-up Observations of Coronary Aneurysms in Kawasaki Disease by Two-dimensional Echocardiography

谷野 定之1, 柳沢 正義1, 伊東 紘一2

Sadayuki YANO1, Masayoshi YANAGISAWA1, Kouichi ITOH2

1自治医科大学小児科, 2自治医科大学臨床病理生理機能

1Department of Pediatrics, Jichi Medical School, 2Department of Clinical Pathology, J.M.S.

キーワード : Kawasaki disease, Coronary aneurysm, Regression of aneurysm, Aortic root short axis view, Sagittal view, Mural thrombus

The patients with Kawasaki disease have been examined consecutively by two-dimensional echocardiography, in order to evaluate the cardiac involvement, especially the coronary aneurysms, often associated with this disease. In six cases, coronary aneurysms which were later confirmed angiographically, were detected and followed for more than five months (5 - 20 months). The size of the left coronary aneurysms was measured on the image of two-dimensional echocardiography, and the approximate volume was calculated. The size and volume of aneurysms reached the maximum value at three to six weeks after the onset and then reduced gradually in all six cases. In two of them, aneurysms were disappeared echocardiographically beyond one year after the onset. In one patient with extraordinarily huge bilateral coronary aneurysms, mural thrombus was found in left coronary aneurysm at 54 days after the onset, of which echo density had been weakened thereafter. It is concluded that two-dimensional echocardiography is very useful for detecting and following a coronary aneurysm in Kawasaki disease.