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Home > Health Library > Weight-Loss Surgery
Weight loss surgery helps people lose weight. There are two types of surgeries. They can be restrictive or a combination of restrictive and malabsorptive.
Weight-loss surgery is usually only done if your body mas index (BMI) is at least 40. Surgery may also be an option if your BMI is at least 35 and you have other health problems related to your weight. With a BMI of at least 35 or higher, surgery may be done if you have tried for at least 6 months to lose weight with diet and exercise.
Weight-loss surgery is also called bariatric surgery. The three main types are:
Weight-loss surgery is done in one of two ways.
Having weight-loss surgery is a big step. After surgery, you'll need to make new, lifelong changes in how you eat and drink.
You'll work with a team that's trained to help you lose weight and make healthy changes in your life. They will be there to help you prepare for surgery. Before your surgery, ask your team how they will help you prepare for life after surgery while you adjust to new ways of eating and changes to your body.
Your team may include:
Depending on the type of surgery, most people lose at least a third of their extra weight after surgery. Some people lose almost all of their extra weight. Weight loss varies with the type of surgery. It also depends on how closely people follow their doctor's recommendations for lifestyle changes, check-up appointments, and counseling.
In a study comparing banding and gastric bypass, banding had fewer surgical risks than gastric bypass. But people who got gastric banding tended to lose less weight. They also lost weight more slowly than those who had gastric bypass.
People who had gastric sleeve surgery or gastric bypass tended to lose the most weight. Gastric sleeve surgery is less effective than gastric bypass, but it has fewer risks.
People who are very overweight are more likely than other people to have problems from any kind of surgery. And after any weight-loss surgery:
What are some of the risks of each type of surgery?
Talk to your doctor to understand all of your risks. Here are some of the most common or serious risks for each of the weight-loss surgeries.
Remember that weight-loss surgery is not cosmetic surgery. It will not remove fatty tissue. And after a lot of weight loss, you may have excess skin. Some people choose to have more surgery to remove skin from the belly, thighs, upper arms, or breasts.
Current as ofJune 25, 2018
Author: Healthwise StaffMedical Review: Kathleen Romito, MD - Family MedicineMartin J. Gabica, MD - Family MedicineDavid E. Arterburn, MD, MPH - Internal Medicine
Current as of:
June 25, 2018
Medical Review:Kathleen Romito, MD - Family Medicine & Martin J. Gabica, MD - Family Medicine & David E. Arterburn, MD, MPH - Internal Medicine
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