Sleeve gastrectomy is a term for partial gastrectomy that results in removal of most of the stomach, with the remainder resembling a "banana" or "half moon". The other names for the proceedure are "partial gastrectomy," "sleeve gastrectomy," "longitude gastrectomy. " and "vertical gastrectomy". The mechanism of action of this proceedure is that the resulting decrease in the stomach size inhibits distention of the stomach so that it becomes fuller sooner, therby increasing the patient's sensation of fullness and decreasing their appetite.
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