Left Atrial Appendage Dysfunction: A Cause of Thrombosis? Evidence by Transesophageal Echocardiography-Doppler Studies
作者： Massimo Pozzoli , Oreste Febo , Adam Torbicki , Roberto Tramarin , Giuseppe Calsamiglia
DOI: 10.1016/S0894-7317(14)80376-3
关键词: Cardiology 、 Thrombosis 、 Heart disease 、 Blood flow 、 Thrombus 、 Doppler echocardiography 、 Medicine 、 Atrial fibrillation 、 Internal medicine 、 Atrial flutter 、 Sinus rhythm
摘要: The blood flow velocity patterns within the left atrial appendage were studied by transesophageal color imaging and pulsed Doppler in 84 patients. At time of study, 57 patients sinus rhythm, 25 fibrillation, two flutter. relationships between pattern presence/ absence spontaneous echocardiographic contrast or thrombus investigated. Transesophageal echocardiography allowed recording velocities 81 studied. In 51 55 rhythm study showed a biphasic pattern, whereas multiphasic was found with flutter 14 fibrillation. four 10 no significant could be detected. Thrombus 20 patients, all these either absent significantly reduced. Our findings indicate that an low represents predisposing factor for thrombosis. Isolated dysfunction has been documented during which may lead to This observation offer explanation cardioembolic events occur occasionally without apparent heart disease rhythm.
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