AORTO-CAVAL FISTULA FROM RUPTURED ABDOMINAL AORTIC-ANEURYSM

  • 1 January 1977
    • journal article
    • research article
    • Vol. 66  (2) , 108-112
Abstract
Four cases of spontaneous aorto-caval fistula are reported. All cases were successfully treated by suture of the fistula from the inside of the aortic aneurysm, which was replaced by a dacron graft. All patients are alive and well at follow up after 1, 3, 4 and 12 yr, respectively. In 1 patient pulmonary and circulatory hemodynamics were recorded preoperatively as well as in the early and late postoperative period. Preoperative high pulmonary artery and capillary wedge pressures and cardiac output were rapidly reduced to almost normal values after the operation. An intrapulmonary shunt fraction of 58% preoperatively was reduced to 15% shortly after closure of the fistula. Possible mechanisms causing the high pulmonary shunt fraction are discussed.

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