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Sleeve Gastrectomy

Sleeve gastrectomy is a restrictive procedure, similar to a partial gastrectomy, removing part of the stomach and leaving a long thin tube-shaped (sleeve) stomach.

Sleeve Gastrectomy

The Procedure

This procedure works by several mechanisms. First, the new stomach pouch holds a considerably smaller volume than the normal stomach and helps to significantly reduce the amount of food (and thus calories) that can be consumed. The greater impact, however, seems to be the effect the surgery has on gut hormones that impact a number of factors including hunger, satiety, and blood sugar control.

Short term studies show that the sleeve is as effective as the roux-en-Y gastric bypass in terms of weight loss and improvement or remission of diabetes. There is also evidence that suggest the sleeve, similar to the gastric bypass, is effective in improving type 2 diabetes independent of the weight loss. The complication rates of the sleeve fall between those of the adjustable gastric band and the roux-en-y gastric bypass.

Advantages

  • Restricts the amount of food the stomach can hold.
  • Induces rapid and significant weight loss that comparative studies find similar to that of the Roux-en-Y gastric bypass. Weight loss of >50 percent for 3 to 5+ year data, and weight loss comparable to that of the bypass with maintenance of >50 percent.
  • Requires no foreign objects (like Adjustable Gastric Band), and no bypass or re-routing of the food stream (like Gastric Bypass).
  • Involves a relatively short hospital stay of approximately 2 days.
  • Causes favorable changes in gut hormones that suppress hunger, reduce appetite and improve satiety.

Disadvantages

  • Is a non-reversible procedure.
  • Has the potential for long-term vitamin deficiencies.
  • Not as effective as reducing Gastroesophageal Reflux Disease (GERD) as Gastric Bypass.

Education

You will receive information specific to gastric bypass when you come to the Pre-op Education Class.

Photo reprinted with permission of American Society for Metabolic and Bariatric Surgery, copyright 2015, all rights reserved.