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Journal of Medical Ultrasonics

にて英文誌のFull textを閲覧することができます.


1988 - Vol.15

Vol.15 No.03

Case Report(症例報告)

(0278 - 0284)


Analysis of Left Atrial Blood Flow in a Case of Cor Triatriatum Using Doppler Echocardiography

森 一博1, 土肥 嗣明1, 上田 稔2, 山本 裕子3

Kazuhiro MORI1, Tsuguaki DOHI1, Minoru UEDA2, Yuko YAMAMOTO3

1岡山大学医学部小児科, 2心臓病センター榊原病院, 3水島三菱病院

1The Department of Pediatrics, Okayama University School of Medicine, 2Center for Cardiovascular Disease, Sakakibara Hospital, 3Mizushima Mitubishi Hospital

キーワード : Cor triatriatum, Color flow mapping, Fluttering of mitral valve

A case of cor triatriatum detected by an electrocardiographic abnormality in the heart disease screening for school children was examined by two-dimensional echocardiography and color flow mapping.
Two-dimensional echocardiography demonstrated an abnormal membrane between the left atrium and the accessory chamber. Color flow mapping revealed the forward flow coming from the accessory chamber to the left ventricular inflow tract via the opening of the abnormal membrane. The peak velocity of this flow was higher in diastole than in systole. Pulsed Doppler echocardiography showed an abnormal forward flow during the slow filling phase in the left ventricular inflow tract, which was accompanied by the fluttering of the mitral valve in M-mode echocardiography.
In conclusion, color flow mapping combined with pulsed Doppler echocardiography thus proved useful in the recognition of cor triatriatum.