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Weight loss surgery, also known as bariatric surgery is performed on obese people. The size of the stomach is reduced by removing a portion of the stomach.
As a result of this surgery, two things happen.
Not everyone is qualified or deemed fit to have a weight loss surgery. Usually recommended for:
The dietary requirements, as recommended but the doctor, should be strictly met.
It is the best to avoid drinking and smoking for a few days in advance prior to the surgery.
Read up on the experiences of patients who have undergone the surgery.
Get a thorough check up done for avoiding the associated risks as much as possible.
The doctor may advise the patient to lose some weight prior to the surgery to have a taste of what it will be like. Besides, there are other health purposes associated with it as well.
Weight loss surgeries can be broadly classified into restrictive and mal-absorptive surgeries. Restrictive surgeries shrink the stomach size while the latter reduce the capacity of the intestine to absorb nutrients. These can be further classified into:
Adjustable Gastric banding: An inflatable balloon is placed around the upper part of the stomach and it helps restrict the amount of food that can be held.
Sleeve Gastrectomy: A large portion of the stomach is removed. It can be followed up by a second surgery, if required. It is a comparatively safer option for the obese.
Gastric Bypass Surgery: A combination of restrictive and mal absorptive procedures, it connects the upper stomach into the lower part of the small intestine, thereby reducing chances of intake and absorption.
Biliopancreatic Diversion: An extreme form of gastric bypass surgery where as much as 70% of the stomach is removed and bypassing is done.
The patient undergoing gastric bypass surgery for weigh loss loses around 5 to 15 pounds per week. This rate of weight loss continues till 2 or 3 months after which it lessens to 1 to 2 pounds per week for the next 6 months.
The rate at which one loses weight depends much on the individual. Thus its better not to compare the weight loss rate of one person with another. The complete recovery time for weight loss surgery may vary. However, it only takes a time window from two to five days to come out of the hospital.
The patient, who has undergone weight loss surgery, stays in the hospital for a recovery period of 2-3 days. During this time the chances of a complication are very rare.
However, the complications may occur in the form of infectious wounds, ulcers, bleeding and digestive problems. Only 10% of the people have this issue.
2-3% of the people undergoing the surgery may suffer from very serious issues like heart attack, clotting of blood, serious, life-threatening infections etc.