Gastric sleeve surgery is one of several types of bariatric surgery options. It works by making your stomach smaller so you eat less. Because the size of your stomach is reduced, you’ll also find that you’re less hungry.
A piece of a healthy blood vessel from the patient’s leg, arm, or chest will be “harvested” to be used as the bypass. Unless you are undergoing one of the newer procedures (minimally invasive bypass or off-pump or beating-heart surgery), the heart is stopped so the surgeons can work on it. A machine called the heart-lung machine will take over the work of your heart and lungs while the surgeon is operating on the heart.
Bypass surgery may be performed the same day or you may be admitted the night before. The hair on your chest may be clipped.
Your provider can guide you on a program that's right for you. And you can discuss how to exercise safely. This is important if you have physical or medical challenges or pain with daily tasks.
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The bypass changes hormones, bacteria, and other substances in the gastrointestinal tract that may affect appetite and metabolism. Gastric bypass is difficult to reverse, although a surgeon may do it if medically necessary.
The surgeon then reconnects the upper part of the small intestine to a new location farther down on the lower part of the small intestine. This allows bypass surgery digestive juices in the stomach to flow from the bypassed part of the small intestine to the lower part of the small intestine, so that food can be fully digested.
Other qualifying criteria include your BMI and whether you have any obesity-related health conditions.
This procedure is more complex than a gastric sleeve and can increase the risk of nutritional deficiencies.
A flexible plan allows a treat now and then if you like. The plan should include foods you can find in your local grocery store and that you enjoy eating. But limit alcohol, sugary drinks and high-sugar sweets. The calories in those items don't provide enough nutrients.
You may need bypass surgery if you’ve been diagnosed with coronary heart disease. Coronary heart disease is when your coronary arteries (which move blood to the heart) get narrowed or blocked by a build-up of fatty material within their walls.
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The table below lists some of the more common diets. There's overlap, but most plans can be grouped into a few major categories.
The week before surgery you will need to go on a low fat, sugar and carbohydrate diet ready for your surgery.