Q. What are the different types of bariatric surgery procedures available?
Doctor Answer is medically reviewed by SecondMedic medical review team.
There are several different types of bariatric surgery procedures available, each with its unique approach to helping individuals achieve weight loss. The choice of procedure depends on various factors, including a patient's medical history, body mass index (BMI), and individual health goals. Here are some of the most common types of bariatric surgery procedures:
1. Gastric Bypass (Roux-en-Y): Gastric bypass is one of the oldest and most commonly performed bariatric surgeries. It involves creating a small stomach pouch and rerouting a portion of the small intestine to it. This restricts the amount of food that can be consumed and reduces calorie absorption. It also changes the way the body processes food, affecting hormones related to hunger and fullness.
2. Sleeve Gastrectomy: In this procedure, approximately 80% of the stomach is removed, leaving a narrow, banana-shaped stomach. It reduces the stomach's capacity, limiting the amount of food that can be eaten in one sitting. It also reduces the production of hunger-inducing hormones.
3. Adjustable Gastric Banding (Lap-Band): This surgery involves placing an adjustable band around the upper part of the stomach, creating a small pouch. The band can be tightened or loosened as needed to control food intake. Unlike some other procedures, it is reversible and does not involve removing or rerouting parts of the stomach or intestine.
4. Biliopancreatic Diversion with Duodenal Switch (BPD/DS): This is a more complex and less common procedure. It involves removing a portion of the stomach and rerouting the small intestine to limit calorie absorption. It typically results in significant weight loss but requires close monitoring and nutritional supplementation.
5. Gastric Balloon: A gastric balloon is a non-surgical option where an inflatable balloon is temporarily placed in the stomach and inflated to take up space. This reduces the stomach's capacity and promotes a feeling of fullness. It is usually removed after six months.
6. Mini-Gastric Bypass: This is a simplified version of the traditional gastric bypass procedure. It involves creating a smaller stomach pouch and rerouting a portion of the small intestine. It can lead to significant weight loss but is less commonly performed.
7. Gastric Plication: In this procedure, the stomach is folded inward and stitched to reduce its size. It restricts food intake and can be reversible.
8. Vertical Banded Gastroplasty (VBG): This procedure involves using a band and staples to create a small stomach pouch, limiting food intake. It has become less common due to potential complications.
The choice of bariatric surgery depends on factors like a patient's BMI, medical history, and personal preferences, as well as the surgeon's expertise. It's important for individuals considering bariatric surgery to consult with a healthcare provider or a bariatric surgeon to determine the most suitable procedure for their specific situation and goals. Each procedure has its own set of risks, benefits, and long-term outcomes, which should be discussed thoroughly before making a decision.