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Gastric sleeve surgery is a type of weight-loss surgery. Weight-loss surgery is also called bariatric surgery. This surgery also known as sleeve gastrectomy or vertical sleeve gastrectomy (VSG). Gastric sleeve surgery restricts your food intake, which leads to weight loss. You may lose from 50 to 90 pounds.
It’s done as a laparoscopic surgery, with small incisions in the upper abdomen. Most of the left part of the stomach is removed. The remaining stomach is then a narrow tube called a sleeve. Food empties out of the bottom of the stomach into the small intestine the same way that it did before surgery. The small intestine is not operated on or changed. After the surgery, less food will make you full when eating.
Gastric sleeve surgery is used to treat severe obesity. It’s advised for people who have tried other weight loss methods without long-term success. Your doctor may advise gastric sleeve surgery if you are severely obese with a body mass index (BMI) over 40. Your doctor may also advise it if you have a BMI between 35 and 40 and a health condition such as sleep apnea, high blood pressure, heart disease, or type 2 diabetes.
Bleeding, infection, and blood clots in your legs are possible side effects that may occur after any surgery. General anesthesia may also cause breathing problems or other reactions.
Over time, you may also have some trouble absorbing certain nutrients. Or you may develop a narrowing (stricture) in your stomach sleeve. Some people may have heartburn or reflux after the surgery. If you already have moderate to severe reflux, a gastric sleeve could make that worse. You may want to consider a gastric bypass surgery instead. That type of surgery can stop reflux and heartburn.
You may have other risks based on your health. Make sure to talk with your healthcare team about any concerns before the surgery.
Your healthcare team will need to make sure that gastric sleeve surgery is a good option for you. Weight-loss surgery isn’t advised for people who abuse medicines or alcohol, or who are not able to commit to a lifelong change in diet and exercise habits.
Before having surgery, you’ll need to enroll in a bariatric surgery education program. This will help you get ready for surgery, and life after surgery. You’ll have nutritional counseling. And you may have a psychological evaluation. You’ll also need physical exams and tests. You will need blood tests. You may have imaging studies of your stomach, or have an upper endoscopy.
If you smoke, you will need to stop several months before surgery. Your surgeon may ask you to lose some weight before surgery. This will help make your liver smaller, and make surgery safer. You’ll need to stop taking aspirin, ibuprofen, and other blood-thinning medicines in the days before your surgery. You shouldn’t eat or drink anything after midnight before surgery.
You will have general anesthesia for your surgery. This will cause you to sleep through the surgery. Your surgeon will use laparoscopy. He or she will make several small cuts (incisions) in your upper abdomen. The surgeon will then insert a laparoscope and put small surgery tools into these incisions.
The anesthesiologist will then pass a sizing tube through your mouth down into the stomach. The surgeon will then use a laparoscopic stapler to divide the stomach, leaving a narrowed vertical sleeve. The part of the stomach that was removed is then taken out of the abdomen through an incision. Your surgeon may then test for any leaks in the sleeve using a dye study or an upper endoscopy.
You’ll likely go home the day after surgery. You will be on a liquid diet for the first week or two. Your surgery team will give you a schedule of types of meals over the next weeks. You’ll go from liquids to pureed foods, then soft foods, and then to regular food. Each meal needs to be very small. You should make sure to eat slowly and chew each bite well. Don’t move too quickly to regular food. This can cause pain and vomiting. Work with your healthcare team to figure out what’s best for you to eat. After your stomach heals, you will need to change your eating habits. You’ll need to eat small meals for your small stomach.
People who have weight-loss surgery may have trouble getting enough vitamins and minerals. This is because they take in less food, and may absorb fewer nutrients. You may need to take a daily multivitamin, plus a calcium-vitamin D supplement. You may need additional nutrients, such as vitamin B-12 or iron. Your medical team will give you instructions.
You’ll need to have regular blood tests every few months in the year after surgery. This is to make sure you don’t have low blood iron (anemia), high blood glucose, or low calcium or vitamin D levels. If you have heartburn, you may need to medicine to reduce stomach acid.
After losing weight, it’s possible to regain some of the weight that you lose. To avoid this, make sure to follow a healthy diet and get regular exercise. The sleeve may widen (dilate) over time. This will let you eat more. But keep in mind that if you eat all you can, you can regain weight. You may want to join a weight-loss surgery support group to help you stick with your new eating habits.
Before you agree to the test or the procedure make sure you know:
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