Marija Kocic, Petar Rasic, Vuk Marusic, Dragan Prokic, Djordje Savic, Maja Milickovic, Ivana Kitic, Tanja Mijovic, Adrijan Sarajlija
The etiology of upper gastrointestinal bleeding (UGIB) varies by age, from newborns to adolescents, with some of the causes overlapping between age groups. While particular causes such as vitamin K deficiency and cow's milk protein allergy are limited to specific age groups, occurring only in neonates and infants, others such as erosive esophagitis and gastritis may be identified at all ages. Furthermore, the incidence of UGIB is variable throughout the world and in different hospital settings. In North America and Europe, most UGIBs are non-variceal, associated with erosive esophagitis, gastritis, and gastric and duodenal ulcers...
December 21, 2023: World Journal of Gastroenterology: WJG