Bariatric surgery helps in drastically reducing the weight of obese people having abnormally high body mass index or with associated obesity related pathological conditions. There are many types of surgical procedures which come under bariatric surgery.
A qualified and experienced bariatric surgeon like Dr. Sanjay Choudhary, who is working in the capacity of Senior Surgical Gastroenterologist and Bariatric Surgeon at Koda International Hospital Dubai, UAE is capable of performing the following procedures.
Roux-en-Y Gastric Bypass
In this procedure, the upper part of the stomach, which is connected to the oesophagus is divided from the rest of the stomach by creating a pouch. The stomach pouch has a capacity of about 30 milliliters. Thereafter, a portion of the small intestine is divided and connected to the stomach pouch.The divided portion of the small intestine is then connected to the rest part of the small intestine. The procedure can be performed laproscopically with small incisions in the abdomen.
Gastric bypass enables food to pass through the stomach pouch and bypass the larger part of the stomach and the first part of the small intestine. Since the stomach pouch is small, the amount of ingested food and hence the calories reduce significantly. Absorption of calories is also reduced because food bypasses a portion of the small intestine.
Weight loss of about 60-80% excess weight occurs quickly after gastric bypass. More than 50% of the weight loss is maintained due to less ingestion of calories.
In this procedure, the stomach is divided vertically using staples. The part of the divided stomach, which receives food is called the sleeve. It is shaped like a banana. The volume of the sleeve is much less as compared to a normal stomach. The small intestine remains intact.
Sleeve gastrectomy reduces the volume of the stomach which comes in contact with food which, in turn, restricts the intake of calories. Weight loss of more than 50% excess weight is achieved. This procedure also reduces hunger and appetite by bringing changes in the gut hormones. Another advantage of sleeve gastrectomy is improvement in type 2 diabetes.
Never forget to tell your past medical history to your doctor.
Duodenal Switch procedure is performed, after sleeve gastrectomy. This procedure reroutes the food away from 3/4th portion of the small intestine. The upper part of the small intestine called the duodenum is divided and connected directly to the lower part of the small intestine called the ileum. Thus, the food passes through the narrow sleeve and reaches the ileum through the duodenum. Pancreatic enzymes and bile come in contact with the food in the ileum.
Duodenal switch ensures that less calories are absorbed because most of the small intestine is bypassed. Absorption of fat is reduced by more than 70%. Weight loss achieved is 60-70% of the excess weight.