[Intrahemorrhagic esophagogastroduodenofibroscopy. Survey in the city of Rosario].

1.897 patients with upper gastrointestinal bleeding (UGIB) were studied and the cause was diagnosed in 1.756 (92.6%). The most frequently found pathology was the acute bleeding gastropathy (24.5%). Considering the gastric duodenal and anastomotic ulcer as a whole, in 47.5% of the cases the ulcer was observed. Both pathologies together make out that 72 out of 100 patients with UGIB have bleeding due to an ulcer or gastritis. It comes out that the low incidence of neoplasy as a consequence of UGIB and that the 31% of the diagnosed pathology could not have been diagnosed by X-ray.