Obesity is one of the most important public health conditions worldwide. Contemporary bariatric operations include Roux-en-Y gastric bypass, sleeve gastrectomy, adjustable gastric band, and the duodenal switch. Weight loss surgery is also known as bariatric and metabolic surgery.

The terms are used to reflect the impact of these operations on patients ‘weight and the health of their metabolism. The goal of these operations is to modify the stomach and intestine to treat obesity-related diseases. Each surgery has its advantages and potential drawbacks.

However, bariatric surgery is a safe and effective long-term treatment for obesity-related comorbid conditions(particularly T2DM), Improvement in quality of life, and prolonged survival. Bariatric surgery is now safe, with morality comparable to common elective general surgical operations.

Bariatric surgery is designed to alter or interrupt the digestion process so that food is not broken down and absorbed unusually. A reduction in the number of nutrients and calories absorbed enables patients to lose weight and decrease their risk for obesity-related health risks or disorders. Gastric bypass and other bariatric surgeries can provide long-term weight loss. The amount of weight you lose depends on your type of surgery and your change in lifestyle habits. It may be possible to lose half, or even more, of your excess weight within two years.