Motor Disorders

Gastric stasis refers to the delayed emptying of gastric contents and this results in patients experiencing early satiety, bloating, nausea, and vomiting. Endo-scopy can confirm the presence of gastric stasis by finding retained food after an overnight fast. Systemic disorders such as scleroderma and diabetes mellitus can have neuromuscular effects that can affect the stomach. Neurological disorders can likewise cause gut dysmotility.

Gastric dumping refers to the early delivery of large amounts of liquid and solids to the small intestines. Early satiety, abdominal discomfort, and hypotension are common manifestations. Hypotension is a result of fluid shifts from the plasma to the intestinal lumen. Hypoglycemia may occur secondary to the insulin surge that results from the increased glucose to the portal circulation. Gastric dumping is usually associated with resective gastric surgery. Dietary treatment alone is not really successful. Sensible advice would be to reduce fluid intake during meals. Octreotide, an analog of the hormone somatostatin, is effective in patients with dumping because it retards gastric emptying and inhibits insulin.

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