Roux en y gastric bypass is performed by firstly creating a smaller stomach pouch reduce food intake. Secondly, a 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). This bypass has the capacity to reduce the absorption of some nutrients as well as reduces calorie intake.
Optimal weight loss
Less frequent follow up required -preferred option for patients living in remote areas.
Longer recovery time
Staple line leak
Minor late weight regain 10-20% after 2-5 yrs.
Nutritional/ mineral supplements required to be taken regularly
Dumping syndrome if sugary foods consumed.
Residual stomach capacity: 30-50mls
Estimated weight loss: 60-70% Excess Weight Loss over 2 years.