Stretching of the stomach often results in additional problems other than inadequate weight loss or weight regain. This results in a smaller surgical procedure than performing the duodenal switch all at once. When converting to gastric bypass from vertical sleeve gastrectomy, a significant piece of the operation has already been performed. This is possible due to the fact thatvertical sleeve gastrectomy is one portion of the duodenal switch procedure. Revision ofvertical sleeve gastrectomy to gastric bypass carries with it less risk than performing the duodenal switch in a single operation for the first time. Most revision operations are higher risk than the first time a weight loss surgery procedure is performed. Procedures such as laparoscopic gastric bypass is an excellent choice. Other individuals may require the addition of metabolic and malabsorptive aspects to compliment vertical sleeve gastrectomy.If a stomach has been stretched, re-sleeving of the stomach may be a sufficient revision procedure.Failure after vertical sleeve gastrectomy may be caused by a couple of different factors. Although vertical sleeve gastrectomy (VSG) is effective for many patients, some do not lose adequate weight, therefore revision weight loss surgery may be needed to cause additional weight loss.
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