A case of ruptured abdominal aortic aneurysm with primary aorto-caval fistula

Abstract

The primary aortocaval fistula is a complication of the abdominal aortic aneurysm. Rarely, large aneurysm may erode and rupture in the surrounding anatomical structures and inferior vena cava. Literature review indicates that the rate worldwide is 2-7% of all ruptures. Sudden pain, hypotonia, oliguria and symptoms of acute venous hypertension are common findings. We present a case of a 58 y.o. male with a primary aortocaval fistula, which was the first sign of a giant abdominal aortic aneurysm.Key words: Abdominal aortic aneurysm, rupture, aorto-caval fistula