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Gastric Bypass Surgery is a type of Bariatric Surgery to shrink the size of the stomach, so a person cannot eat as much as they used to. The surgeon will also bypass part of the digestive system, so the patient does not absorb as much food. The procedure is used to treat morbid obesity by aiding dramatic weight loss and is known to help reduce various health problems, such as asthma, hypertension, type 2 diabetes, and general heart problems. During the surgery, patients will have general anesthesia, which means they will be asleep and pain-free. There are two ways to perform this surgery: open surgery and laparoscopy. With open surgery, a large incision is made on the abdomen, and the bypass is done by working on the stomach, small intestine, and other organs. In laparoscopy, a tiny camera is placed in the belly, and the scope allows the surgeon to see inside it.
The surgery takes about two to four hours to perform. After the surgery, the patient will need to stay in the hospital for three to five days, depending on their health condition. During their stay in the hospital, the patient will receive injections of medicine to prevent blood clots, and they may have a catheter in the bladder to remove urine. After being discharged, the patient has to stay in the Sarawak for at least 14 days. The recovery period differs according to which method is used, and laparoscopy requires less time to recover. Generally, patients need four to six weeks for complete recovery and it is important to strictly follow the doctor’s aftercare instruction.
The surgery has a high success rate. It is considered successful when the patient loses 50% of excess weight. The success rate for diabetes is 80%, and for sleep apnea is 90%. Note that this surgery should never be considered as the first option, and there are several minimally invasive options available. The alternatives to this procedure are intragastric balloon therapy and pharmacotherapy.