Gastric bypass surgery: In this, the surgeon staples the smaller, upper part of
the stomach, separating it from the rest of the stomach. The net result is that
the amount of food you can eat is reduced. The small intestine is rerouted and connected
to the smaller stomach pouch.
Lap-Band surgery: The surgeon places a silicone rubber band around the top of your
stomach; this creates a very small stomach pouch. When you eat, you feel full very
quickly. Food slowly flows from the smaller pouch into the lower part of the stomach
and then into the rest of the digestive tract.
Gastric sleeve surgery: This uses a keyhole approach that involves the use of a
laparoscopic tool that is inserted through small incisions. The laparoscopic tool
provides a visual guide to the inside of the abdomen during the procedure.
How surgery is performed?
Weight loss surgery is performed under general anaesthesia and can take one to four
hours for gastric bypass surgery, 30 minutes to one hour for Lap-Band Surgery and
up to four hours for gastric sleeve resection. A hospital stay may be required.
Before being discharged from the hospital after surgery, the patient will be asked
to stand up and move around a bit. The patient will also be directed to try to walk
around the house several times throughout each day, over the course of recovery.
After weight loss surgery, resuming normal life can be a challenge. The most significant
change is the amount of food that can be eaten. Most weight loss surgeries reduce
stomach capacity to a few ounces or less of food or liquid. At first, this may result
in less energy for daily activities.
Benefits of the Procedure
Significant weight loss is an important bariatric surgery benefit. As a result of
gastric bypass, patients typically lose 61.6% of excess weight in the first year
following surgery. At least two-thirds of patients who undergo gastric bypass surgery
are able to keep off at least 50% of their excess weight for 10 years or longer.
In a clinical study, gastric bypass surgery reduced the total number of serious
health problems (known as comorbid conditions or comorbidities) of participating
patients by 96%.
The patient will require assistance leaving the hospital and at home for a period of time after surgery. Everyone recovers at a different rate: some people require assistance for a day or so, but others need help for several weeks. The type of assistance required includes driving for a few days or weeks after surgery. It also includes meal preparation, medication assistance and dressing. Recovery time varies, but many people can return to normal activities within six weeks of the surgery.
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