The gastric sleeve, or sleeve gastrectomy,is a restrictive weight loss surgery procedure that causes weight loss by restricting food intake. During the surgery, approximately 85% of the stomach is removed leaving a cylindrical or sleeve shaped stomach with a capacity ranging from about 60 to 150 cc, which will hold about ½ to 1 cup of food at one time.
This procedure generates weight loss solely through reducing the stomach volume and decreasing the appetite. This part of the procedure is not reversible. The nerves to the stomach and the outlet valve (pylorus) remain intact with the idea of preserving the functions of the stomach while drastically reducing the volume
This surgery is an option for those patients who are morbidly obese with a BMI greater than 40, or a BMI between 35-40 with significant comorbidities. The surgery is performed laparoscopically and robotically, and only requires an overnight stay in the hospital.
The average weight loss for this procedure is reported to be 50-60% of the excess weight loss over two years. This means, that if you are 100 pounds above your ideal body weight, you would expect on average to loose approximately 50-60 pounds. However, individual weight loss will vary based upon how well you follow the post-operative guidelines.
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If you are diagnosed as morbidly obese, sleeve gastrectomy weight loss surgery can help you lose your excess weight and improve your quality of life.