Laparoscopic Mini Gastric Bypass is a variant of Roux en y gastric bypass. Here a longer stomach pouch is made and a loop of small intestine is joined to the stomach pouch at a distance of 150 to 200 cm. It is mainly a mal-absorptive procedure. It leads to an excess weight loss of 70 to 80% at the end of 2 years. Patients need to be on nutritional supplements like iron, calcium, proteins and multivitamins for life.
While traditional gastric bypass surgery results in excellent weight loss, the procedure is technically challenging and carries a 7% complication risk. The risk of mortality (death) is very low, about 0.5% according to most studies.
The mini-gastric bypass procedure has gained popularity in recent years. The mini-gastric bypass was originally developed by Dr. Robert Rutledge in 1997. The mini-gastric bypass is quicker, technically easier and carries a lower complication rate compared to traditional gastric bypass surgery, 2.9% (2012 MGB study).
The mini-gastric bypass procedure is restrictive and malabsorptive. This means that the procedure reduces the size of your stomach, restricting the amount you can eat. The procedure also reduces absorption of food by bypassing up to 6 feet of intestines. Gastric bypass and the mini-gastric bypass are both malabsorptive and restrictive procedures. Gastric sleeve and the Lap Band are restrictive procedures.
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