Medical Definition of Gastric sleeve

Gastric sleeve: also known as sleeve gastrectomy, a type of weight loss (bariatric) surgery that renders the stomach smaller. In gastric sleeve surgery, over half of the stomach is removed, leaving a thin vertical sleeve, or tube, in place of the normally-sized stomach. This results in an inability to eat the same volumes of food as prior to the procedure. Weight loss surgery is only performed for those who are severely obese, generally with a body mass index (BMI) greater than 40. Sleeve gastrectomy has been successful at helping many obese people lose over half of their excess weight. After the surgery, it is important to work with a dietician to establish a sound nutrition plan, because of changing dietary capacity and the possibility that certain nutrients may not be well absorbed. Risks of weight loss surgery include infections and blood clots. The gastric sleeve procedure is permanent and is not reversible.

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Reviewed on 12/21/2018
References
Bariatric surgical operations for the management of severe obesity: Descriptions.