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Roux-en-Y gastric bypass

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Roux-en-Y gastric bypass

The procedure is known as a Roux-en-Y gastric bypass and is performed as a keyhole operation.  A small stomach pouch (about the size of an egg) is made and joined to the small bowel downstream of the remaining stomach and duodenum (first section of small bowel).  The pouch is no longer attached to the rest of the stomach, which is known as the remnant stomach, but the digestive juices from this filter in where the small bowel is re-joined to the duodenum (at the jejunojejunostomy).  Depending on how well you are and where you live, this procedure usually involves a stay in hospital for one to two nights.