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Obesity Surgery
Open Gastric Bypass
Here a small stomach pouch is created to restrict food intake. Next, a Y-shaped section of the small intestine is attached to the pouch to allow food to bypass the lower stomach, the duodenum (the first segment of the small intestine), and the first portion of the jejunum (the second segment of the small intestine).
Advantages:
- "Dumping syndrome" if sweets and chocolates taken
- Good operation for sweet eaters
- Long track record
- Tend to lose
significantly
more weight than lap. gastric band in our experience
- More successful then lap band in keeping the weight off
long term
- quicker improvement with sugar control in diabetics
- No adjustments
Disadvantages:
- Open surgery
- Risk of incisional hernia 20%
- Longer recovery time
- Possibility of a staple
or anastomotic leak
- Minor late weight regain 10-20% after 2-5 yrs
- Nutritional/ mineral supplements required
Residual stomach capacity: 10-15 mls
Estimated weight loss: 60-70% EWL over 2 years.
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