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Gastroparesis (gastro- from Ancient Greek γαστήρ – gaster, "stomach"; and -paresis, πάρεσις – "partial paralysis") is a medical disorder of ineffective neuromuscular contractions (peristalsis) of the stomach, resulting in food and liquid remaining in the stomach for a prolonged period of time.
This condition is also called rapid gastric emptying. [1] It is mostly associated with conditions following gastric or esophageal surgery, though it can also arise secondary to diabetes or to the use of certain medications; it is caused by an absent or insufficiently functioning pyloric sphincter , the valve between the stomach and the duodenum.
Gastrointestinal manifestations include gastroparesis, nausea, bloating, and diarrhea. Because many diabetics take oral medication for their diabetes, absorption of these medicines is greatly affected by the delayed gastric emptying.
The condition can be caused by underlying medical issues, and one of the more common causes of gastroparesis is diabetes, according to the American College of Gastroenterology. It can also result ...
The condition causes nausea, vomiting, fullness after eating, early satiety (feeling full before the meal is finished), abdominal pain, and bloating. Domperidone can be used to increase the transit of food through the stomach by increasing gastrointestinal peristalsis and hence to treat gastroparesis.
Is a high-affinity isoform, allowing it to transport even in times of low glucose concentrations. GLUT4: Expressed in adipose tissues and striated muscle (skeletal muscle and cardiac muscle). Is the insulin-regulated glucose transporter. Responsible for insulin-regulated glucose storage. GLUT14: Expressed in testes: similarity to GLUT3 [12]
Insulin can also cause postprandial somnolence via another mechanism. Insulin increases the activity of Na/K ATPase, causing increased movement of potassium into cells from the extracellular fluid. [17] The large movement of potassium from the extracellular fluid can lead to a mild hypokalemic state.
Insulin was first used as a medication in Canada by Charles Best and Frederick Banting in 1922. [85] [86] This is a chronology of key milestones in the history of the medical use of insulin. For more details on the discovery, extraction, purification, clinical use, and synthesis of insulin, see Insulin