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The advantages of gastric bypass are:
With gastric bypass, patients can lose 60-80% of their excess body weight.
You would lose most weight in the first 6-9 months and it will slow down after 1-1.5 years before plateauing.
It should resolve immediately after surgery. However you will continue anti-acid medication for 4 weeks after surgery to help with healing of gastric wound.
There will be immediate improvement of blood sugar level after surgery due to hormonal changes in the body that stimulates the release of insulin. Your blood sugar level will be closely monitored and medication may need be adjusted or reduced accordingly. With further weight loss, your diabetes may continue to improve or resolve completely.
Yes, long-term follow up is mandatory.
6 to 12 monthly nutritional surveillance with blood tests to ensure adequate nutritional health.