Wang S Y, Talvensaari T, Tarkka M R
Department of Surgery, Tampere University Hospital, Finland.
Eur J Cardiothorac Surg. 1998 Sep;14(3):326-8. doi: 10.1016/s1010-7940(98)00173-0.
This study demonstrated a rare anomaly of a persistent left superior vena cava draining into the left atrium in a patient with developing left-to-right shunt caused by bicuspid aortic stenosis. The venous system, including the coronary sinus, was otherwise normal. We believe that, in this anatomic situation, a marked increase in left ventricular impedance caused a moderate left-to-right shunt from the left atrium into the left innominate vein. At operation, the aortic valve was replaced with a mechanical prosthesis and the anomalous vein was ligated. The convalescence was uneventful.
本研究展示了一例罕见的异常情况，在一名因二叶式主动脉瓣狭窄导致左向右分流的患者中，存在一条持续存在的左上腔静脉引流至左心房。包括冠状窦在内的静脉系统在其他方面均正常。我们认为，在这种解剖情况下，左心室阻抗的显著增加导致了从左心房到左无名静脉的中度左向右分流。手术时，用机械瓣膜置换了主动脉瓣，并结扎了异常静脉。患者康复过程顺利。
