gastric outlet obstruction


gastric outlet obstruction

Gastroenterology A manifestation of gastric dysmotility; the rate of gastric emptying is controlled by duodenal receptors for fat or acid Etiology Ulcers, benign or malignant tumors, inflammation–cholecystitis, acute pancreatitis or Crohn's disease, caustic strictures, pyloric stenosis Clinical Vomiting–often daily, intermittent epigastric pain; GOO may occur in neonates associated with antral hyperplasia, which has been attributed to therapy with PGE1, used to maintain patency of the ductus arteriosus in the face of congenital heart disease

gastric outlet obstruction

Blockage of the flow of food or liquids from the stomach to the duodenum. In children, the cause may be pyloric stenosis or atresia. In adults, ulcers and cancer are frequent causes. See also: obstruction