Gastric Bypass is surgery that is done to help you lose weight. After the surgery, you will not be able to eat as much as before, and your body will not absorb all the calories from the food you eat.
Gastric Bypass Surgery makes the stomach smaller and allows food to bypass part of the small intestine. You will feel full more quickly than when your stomach was its original size, which reduces the amount of food you eat and thus the calories consumed. Bypassing part of the intestine also results in fewer calories being absorbed. This leads to weight loss.
The most common gastric bypass surgery is a Roux-en-Y gastric bypass.
Why The Procedure Is Performed ?
Weight loss surgery may be an option if you are very obese and have not been able to lose weight through diet and exercise.
Gastric bypass surgery is not a "quick fix" for obesity. You must be committed to diet and exercise because you must continue dieting and exercising after the surgery. You may have complications from the surgery if you don’t. One problem some people have is throwing up if they eat more than their new small stomach can hold.
People who have this surgery should be mentally stable and not be dependent on alcohol or illegal drugs.
Before The Procedure
Your surgeon will ask you to have tests and visits with your other health care providers before you have this surgery.
Some of these are:
- A complete physical exam
- Blood tests, ultrasound of your gallbladder, and other tests to make sure you are healthy enough to have surgery
- Visits with your doctor to make sure other medical problems you may have, such as diabetes, high blood pressure, and heart or lung problems, are under control
- Nutritional counseling
- Classes to help you learn what happens during the surgery, what you should expect afterward, and what risks or problems may occur afterward
- Visiting with a mental health provider to make sure you are emotionally ready for major surgery. You must be able to make major changes in your lifestyle after surgery.
If you are a smoker, you should stop smoking several weeks before surgery and not start smoking again after surgery. Smoking slows recovery and increases the risks of problems. Tell your doctor or nurse if you need help quitting.
Why It Is Done ?
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:
- You have been obese for at least 5 years.
- You do not have an ongoing problem with alcohol.
- You do not have untreated depression or another major psychiatric disorder.
- You are between 18 and 65 years of age.
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.
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