Laparoscopic Gastric Bypass
Gastric Bypass has been used around the world for over 35 years, and is considered a major surgical operation as it is truly a ‘bypass’ of the stomach.
The operation is performed usually via laparoscopic surgery, and involves a surgeon reducing the size of the stomach to create a gastric pouch, which is then attached to the small intestine in a ‘Y’ shape. By doing so, most of the stomach and small intestines are bypassed resulting in weight loss.
The operation allows the average patient to lose 60 – 80% of their excess weight in 12-18 months, however after this most patients are likely to regain some weight. This weight gain occurs for a variety of reasons such as poor compliance with diet and exercise and physiological adaptation of the body to the operation. At 5, 10 and 15 years the weight loss stabilises at approximately 50% of excess weight.
Quick facts about Gastric Bypass
- Usually performed as laparoscopic/keyhole surgery – takes around 75minutes.
- Rapid weight loss; most of the weight loss is experienced in the first 12 months
- Most patients will experience iron and/or nutrient deficiencies, malabsorption, and ‘dumping syndrome’
- Considered optimal procedure for patients with Diabetes
- Average weight loss of around 60-80% excess weight, however weight regain can be experienced
- Higher surgical complication risk opposed to other surgical procedures
- Hospital stay of 4-5 nights
- Risks can involve staple-line leak, bleeding, malnutrition and malabsorption, dumping syndrome, bowel obstruction, among others.
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