Most people can return to their normal activities in 3 to 5 weeks.
After surgery, you’ll need to make big, permanent changes in how you eat : –
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Although guidelines vary, surgery is generally considered when your body mass index is 40 or higher or you have a life-threatening or disabling condition related to your weight.
Your doctor may only consider doing gastric bypass surgery if you have not been able to lose weight with other treatments.
The following conditions may also be required or are at least considered : –
All surgeries have risk. And it is important for you and your doctor to discuss your treatment options to decide what is best for you.
Most people who have gastric bypass surgery quickly begin to lose weight and continue to lose weight for up to 12 months. One study noted that people lost about one-third of their excess weight (the weight above what is considered healthy) in 1 to 4 years.1 Some of the lost weight may be regained.
The laparoscopic approach showed similar results, with of excess weight lost over 12 to 54 months.
Risks
Risks common to all surgeries for weight loss include an infection in the incision, a leak from the stomach into the abdominal cavity or where the intestine is connected (resulting in an infection called peritonitis), and a blood clot in the lung (pulmonary embolism). About one-third of all people having surgery for obesity develop gallstones or a nutritional deficiency condition such as anemia or osteoporosis.
Fewer than 10 out of 1000 people die after weight-loss surgery.
After a Roux-en-Y gastric bypass : –
Gastric bypass surgery may increase your chances of living longer. Some studies show that people who have weight-loss surgery have a smaller chance of dying of heart problems, diabetes, or cancer.
In a gastric bypass, the part of the intestine where many minerals and vitamins are most easily absorbed is bypassed. Because of this, you may have a deficiency in iron, calcium, magnesium, or vitamins. This can lead to long-term problems, such as osteoporosis. To prevent vitamin and mineral deficiencies, you may need to work with a dietitian to plan meals, and you may need to take extra vitamin B12 as pills, shots, or nasal spray.
There is also a possibility that you may develop gallstones after gastric bypass. Sometimes the gallbladder is removed as part of the surgery. But if your gallbladder is not removed, then you may need to take medicine to prevent gallstones.
Early studies of the laparoscopic approach to surgery for obesity suggest that it reduces recovery time and postsurgery complications.2
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