房间隔瘤(ASA)是一种罕见的心脏畸形,既往认为它只能通过尸体解剖或心血管造影来证实,本文介绍了13例婴儿ASA的超声心动图改变,临床经过,及其形成和消退过程。病人和方法作者于1986～1987年对日本京都疑有心脏异常的265例婴儿进行超声心动图检查,发现13例(4.9%)患有ASA,并定期进行胸部X线、心电图、二维超声心动图及二维多普勒超声心动图检 Atrial septosmus (ASA) is a rare cardiac deformity that was previously only confirmed by autopsy or cardiovascular angiography. This article describes echocardiographic changes in 13 infants with ASA, clinical course, and their formation and resolution process. Patients and Methods The authors examined echocardiography in 265 infants with suspected cardiac abnormalities in Kyoto, Japan from 1986 to 1987 and found that 13 (4.9%) had ASA and had regular chest X-ray, electrocardiogram, two-dimensional echocardiography Figure and two-dimensional Doppler echocardiography