Bariatric surgery is a term that refers to a group of surgical procedures that assist in weight reduction by modification of the digestive system. The distinction between gastric surgery and bariatric surgery is that the former primarily focuses on treating obesity, while the latter targets dietary problems leading to obesity. Though efficient for weight management, bariatric procedures are most adequately indicated to sustain the alteration made in the style of living, such as adoption of a balanced diet or regular physical activity.
Some common types of bariatric surgeries include Roux en Y gastric bypass surgery and sleeve gastroplasty. The first procedure involves creating a small stomach pouch which is less susceptible to stretching than the larger stomach. The second procedure involves removal of a portion of the stomach, which decreases stomach volume and promotes feeling of fullness after a small meal. As a result, patients with a BMI above 35, or 30 with additional disease, are candidates for surgery.

Bariatric procedures yield very favorable results; approximately 72 percent of excess mass index is lost in around a year. Patients also see a decrease of many disease and health complications, such as diabetes, high blood pressure and even obstructive sleep apnea. Such health problems are considerably improved post the procedure.