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 Sleeve Gastrectomy
Both Gastric Bypass and Gastric Banding options should be discussed with your surgeon. Every patient is different and in some circumstances a new procedure called Sleeve Gastrectomy may be ideal. So learn about all three and be prepared to discuss them with your surgeon.

Laparoscopic Sleeve Gastrectomy (LSG) is the restrictive part of the more extensive mixed restrictive and malabsorptive operation, gastric bypass and duodenal switch (GB/DS).

It generates weight loss by restricting the amount of food that can be eaten without any bypass of the intestines or malabsorption. With this procedure, the surgeon removes approximately 85 percent of the stomach laparoscopically so that the stomach takes the shape of a tube or "sleeve." This part of the procedure is not reversible. Unlike many other forms of bariatric surgery, the outlet valve and the nerves to the stomach remain intact.

Because the modified stomach continues to function normally there are fewer restrictions on the types of foods which patients can consume after surgery. The quantity of food the patient can consume is greatly reduced. This is seen by many patients as being one of the benefits of the laparoscopic sleeve gastrectomy, as is the fact that the removal of the majority of the stomach also results in the virtual elimination of hormones (ghrenlin) produced within the stomach which stimulates hunger.

Sleeve GastrectomyThis procedure is usually performed on superobese or high risk patients with the intention of performing a gastric bypass or duodenal switch at a later time. The stomach that remains is shaped like a thin sleeve and measures 35-60 cc or less, depending on the preference of the surgeon performing the procedure. The nerves to the stomach and the outlet valve (pylorus) remain intact with the idea of preserving the functions of the stomach while reducing the volume. Note that there is no intestinal bypass or malabsorption with this procedure, only stomach reduction.

Benefits

  • No foreign body is used as in the adjustable gastric banding and thus no adjustment is required.

  • If weight loss is inadequate, the patient has the option to have the second stage of the operation (gastric bypass or the duodenal switch).

  • It does not involve any bypass of the intestinal tract and thus patients avoid the complications of intestinal bypass such as intestinal obstruction, anemia, osteoporosis, vitamin deficiency and protein deficiency.

  • For lower BMI patients (35-42) who have complications (inadequate weight loss, band erosion, poor quality of life etc.) associated with gastric banding, LSG maybe a good alternative.

  • It also makes it a suitable form of surgery for patients who are already suffering from anemia, Crohn's disease and a variety of other conditions that would place them at high risk for surgery involving intestinal bypass.

  • It is one of the few forms of surgery which can be performed laparoscopically in patients who are super obese.

  • Better quality of life with less late complications as compared to gastric banding.

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Risks

  • Inadequate weight loss or weight regain is possible with operations that do not include an intestinal bypass. This is true of any form of purely restrictive surgery, but is perhaps especially true in the case of the sleeve gastrectomy.

  • The procedure requires stapling of the stomach and therefore leakage and of other complications directly related to stapling may occur.

  • Patients who are super obese usually require second stage operations in order to lose the rest of the excess weight if their BMI remains larger than 45, although two stages may ultimately be safer and more effective than one operation for super obese patients.

  • LSG is not reversible, but it can be converted to a gastric bypass.

  • Long-term weight loss results are unknown.

 

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Disclaimer: California Thin is an independent service offered by BCCI, Inc. It is meant to be an educational site that offers patients information to help them investigate weight loss surgery. Although the site has been reviewed for accuracy, BCCI, Inc. cannot be held liable for inaccurate data or conclusions drawn from the site. Neither information obtained from this site nor e-mailed correspondence from BCCI, Inc. constitutes a doctor/patient relationship. This web site cannot be considered a doctor's opinion for your situation and is not a substitute for medical evaluation and counsel. Any health care providers listed here are private, independent practitioners.
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