What is a Bariatric Surgery?
Metabolic and bariatric surgery (MBS), simply known as weight loss surgery, is the most effective and durable treatment option for severe obesity and the number of complex diseases it gives rise to. Far from being a cosmetic quick-fix surgery, metabolic and bariatric surgery is a life-changing medical technique for patients who have struggled unsuccessfully to achieve weight loss through traditional methods.
Bariatric surgery is primarily used to treat severe obesity (Class III obesity, typically a body mass index or BMI of 40 or greater) or patients with a body mass index of 35 or higher who are suffering from other serious weight-related health conditions (co-morbidities).
As bariatric surgery is considered to be the most effective and durable treatment option for severe obesity, it is also useful in achieving either improved or complete respite from associated diseases with obesity, like type 2 diabetes mellitus, hypertension, high cholesterol, obstructive sleep apnea, Non-alcoholic fatty liver disease, osteoarthritis, reduced risk of cancer, and heart diseases.
What are the different types of bariatric surgery?
Modern metabolic and bariatric surgery (MBS) is mainly performed using minimally invasive techniques, which involve smaller incisions, reducing the pain after the operation, shorter hospital stays, and a quicker recovery time. The two most common techniques most widely used are :
- Sleeve Gastrectomy (SG): This procedure involves permanently removing about 80% of the stomach, creating a long, tube-like pouch. It is highly effective due to the metabolic effect caused by removing the fundus. The fundus is the area of the body that produces the hunger hormone known as Ghrelin the most.
- Roux-en-Y Gastric Bypass (RYGB): This is considered to be the gold standard technique for decades. This operation involves creating a small stomach pouch and rerouting a section of small intestine to connect to it. It combines restriction and malabsorption, offering exceptional results, especially in patients with severe uncontrolled type 2 diabetes.
| Procedure Name | Bariatric (Weight Loss) |
|---|---|
| Type of Surgery | Major procedure conducted using a minimally invasive technique |
| Type of Anesthesia | General Anesthesia |
| Procedure Duration | Sleeve gastrectomy (SG) 60 to 90 minutes, 90-150 minutes for Roux-en-Y gastric bypass (RYGB) |
| Recovery Duration | For sleeve gastrectomy, 1 week for return to light activity, complete recovery is in 4-6 weeks. For Roux-en-Y gastric bypass (RYGB) return to light activity in 2 weeks. |













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