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Gastric outlet obstruction (GOO) is a medical condition where there is an obstruction at the level of the pylorus, which is the outlet of the stomach. Individuals with gastric outlet obstruction will often have recurrent vomiting of food that has accumulated in the stomach, but which cannot pass into the small intestine due to the obstruction ...
Pyloric stenosis is a narrowing of the opening from the stomach to the first ... Although upper gastrointestinal endoscopy would demonstrate pyloric obstruction ...
Gastrectomy, gastric bypass surgery, diabetes, esophageal surgery, absent or inefficient pyloric sphincter, pyloric stenosis Dumping syndrome occurs when food, especially sugar, moves too quickly from the stomach to the duodenum —the first part of the small intestine—in the upper gastrointestinal (GI) tract .
The pyloric sphincter, surrounding the pyloric orifice is a strong ring of smooth muscle at the end of the pyloric canal which lets food pass from the stomach to the duodenum. It acts as a valve , controlling the outflow of gastric contents into the duodenum [ 6 ] and release of chyme .
Gastric outlet obstruction (stenosis) is a narrowing of the pyloric canal by scarring and swelling of the gastric antrum and duodenum due to peptic ulcers. The person often presents with severe vomiting.
Pyloromyotomy is a surgical procedure in which a portion of the muscle fibers of the pyloric muscle are cut. This is typically done in cases where the contents from the stomach are inappropriately stopped by the pyloric muscle, causing the stomach contents to build up in the stomach and unable to be appropriately digested.
The first attempt at gastric resection was by German professor and surgeon Christian Michaelis, whose experiment on removing pylorus in animals to resolve gastric obstruction failed. [12] In 1810, his student Daniel Merrem successfully performed the resection of the distal stomach and reconnected the duodenum to the stomach in animal ...
Retained gastric material greater than three hours after a meal will generate a splash sound and indicate the presence of a hollow viscus filled with both fluid and gas. An example would be a gastric outlet obstruction (GOO) due to pyloric stenosis, with abdominal succussion splash. [1]