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The newest weight loss procedure Stanford is performing is the laparoscopic sleeve gastrectomy. This procedure was first described as the first step of a more complicated procedure, the duodenal switch. Initial weight loss from the sleeve gastrectomy alone was found to be very good (50-60% excess weight loss) at one year without the need for further intervention.
The sleeve gastrectomy provides some advantages, namely no anastomoses (connections between the bowel), no adjustments as needed with the Lap Band, and it's possible to convert it later to the either the gastric bypass or lap band if needed.
The sleeve gastrectomy appears to be a viable option in addition to the lap band or gastric bypass for surgical weight loss.