Gastric bypass is one of the oldest bariatric procedures still currently being performed. The first gastric bypass was performed in 1960’s. This operation has now involved into 2 separate operations – Roux-en-Y gastric bypass and the one anastomosis gastric bypass.
In this operation, using keyhole techniques, you make a small pouch of the stomach and join the bulk of the stomach directly. The main indication for this operation currently is patients with severe symptomatic reflux or endoscopic diagnosis of severe reflux oesophagitis.
In this operation, using keyhole technique, a long pouch of the stomach is created and a lop of the bowel is then joined to this part of the stomach. The popularity of this procedure has been growing rapidly over the last 10 years or so. Currently, it is estimated that more than 10% of the operations performed worldwide are of this variety. One of the main advantages of the one anastomosis gastric bypass is it’s effect on diabetes and other comorbidities such as hypertension and obstructive sleep apnoea. It is very effective especially in patients who have insulin dependant Diabetes or are on multiple medications for metabolic syndromes.
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