The Sleeve Gastrectomy works by two different mechanisms, the first is restriction and the second is a “chemical/hormonal” effect. The Sleeve Gastrectomy reduces the size of the stomach from about 32 ounces (a quart) to about 8-10 ounces (the size of a banana). This restricts the amount of food a person can consume (similar to a band), however the surgery has an additional effect. This additional effect - what we call the “chemical/hormonal” effect - which significantly reduces a person’s appetite for a prolonged period of time after the surgery, anywhere from one to three years.
The reduction in appetite supports ongoing weight loss as it is much easier to keep food intake to a minimum when a person doesn’t feel hungry. Bariatric patients are often amazed by this aspect of the surgery. The reduction in appetite is one of the factors that makes the sleeve a very impactful bariatric option for obesity.
The Sleeve Gastrectomy is a permanent procedure. Once a portion of the stomach is removed, it cannot be ‘undone’. The gastric sleeve has been around since the 1970s and was originally part of a two-part surgery called the duodenal switch. After years of study and validating the sustained weight loss results, the gastric sleeve was approved as a stand-alone bariatric procedure. The advent of the gastric sleeve, as an insurance-approved procedure for weight loss surgery, took place in early 2010. Garden State Bariatrics has offered the gastric sleeve since its approval in 2010 and considers it one of their specialties.
Advantages of Gastric Sleeve
- Same day/overnight stay in hospital
- No Dumping Syndrome (see Gastric Bypass for details for ‘Dumping Syndrome’)
- Significant decrease in appetite
- On average, approximately 50-60% excess body weight loss
- No Dumping Syndrome
- Rate of Type II Diabetes resolution may not be as great as with the gastric bypass
- On average, less weight loss than the gastric bypass
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