[Occlusion of the upper mesenteric artery. Angiographic study and surgical treatment of 8 cases]. / Oclusão da artéria mesentérica superior. Estudo angiográfico e tratamento cirúrgico de 8 casos.

Eight patiants suffering from abdominal angina due to chronic intestinal ischemia have been submitted to angiographic examination and revascularization of superior mesenteric artery (SMA). All had the classical symptoms of postprandial pain, weight loss and abnormalities of the stools. The surgical procedure of choice was bypass from abdominal aorta to SMA. The reimplantion of SMA was performed in 2 cases. The results was good in 87,5% of cases. The mortality in acute intestinal ischemia is high, and 50% of such patients have previous attacks of abdominal angina. If the diagnosis is established by engiography, the revascularization should be performed.