gastric outlet obstruction


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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
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

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
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
of Patients Percentage Stricture 46 74 Gastric Outlet Obstruction 10 16 Tracheooesophageal Fistula 0 0 Hiatus Hernia, GERD 12 19 Carcinoma 1 1 Chest Complication 3 4.6 Table 9.
van Hooft, "High proximal migration rate of a partially covered "big cup" duodenal stent in patients with malignant gastric outlet obstruction," Endoscopy, vol.
The patient was admitted in our institution and was treated for gastric outlet obstruction conservatively.
We included patients with documented gastric outlet obstruction caused by malignancy of stomach, pancreas or duodenum (confirmed by endoscopy or radiography).
Gastric outlet obstruction (GOO) is not a single disorder; it is a group of clinical and pathophysiological consequence of many disease processes that produce a mechanical barrier to gastric emptying.
Acute gastric volvulus is an uncommon, and often unrecognised, surgical emergency that should be considered in patients who present to the emergency department with severe epigastric pain and evidence of gastric outlet obstruction. If the diagnosis is in doubt (and this is often the case), imaging studies are important.
Less common symptoms include epigastric pain or acute gastrointestinal bleeding, and vomiting caused by gastric outlet obstruction. Gastrointestinal stromal tumours (GIST) account for 1-3% of all resected gastric tumours and are the most common solitary, asymptomatic submucosal masses found in the stomach.
Although surgery for established gastric outlet obstruction is technically successful in up to 90% of patients [6], it is often associated with a prolonged hospital stay and sometimes with poor function of gastroenterostomy [7].
Bouveret syndrome is characterized by the migration of a gallstone through a cholecystenteric fistula into the proximal duodenum resulting in gastric outlet obstruction. Bouveret syndrome is a rare phenomenon that most commonly occurs in females and the elderly.
We present an unusual case of a 68 year old man with gastric outlet obstruction secondary to a non-ampullary primary duodenal signet ring cell carcinoma.