Gastric bypass is done to help you lose excess weight and reduce your risk of potentially life-threatening weight-related health problems, including:
Type 2 diabetes
High blood pressure
Obstructive sleep apnea
Gastroesophageal reflux disease
Gastric bypass is typically done only after you’ve tried to lose weight by improving your diet and exercise habits.
- A healthy, balanced eating plan is recommended with a focus on portion control
- There is a greater risk of developing nutritional deficiencies because of lesser quantity of food that can be eaten. Most commonly deficiencies occur in Vitamin B12, Vitamin D, iron, folate, calcium, and zinc. Hence these nutrients need to be closely monitored with regular blood tests
- Intolerance of high sugar foods can occur due to the changes in gut anatomy with this operation. ‘Dumping syndrome’ can result, causing dizziness, sweating, nausea, and diarrhoea. To prevent this, one should avoid high sugar foods and alcohol.
- At least 6-12 monthly review of nutritional adequacy (including annual blood tests) to ensure maintenance of adequate nutritional health.
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