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Obesity surgery is recommended for obese people with certain characteristics. Also called "bariatric" surgery, it modifies the anatomy of the digestive system. It causes a decrease in the quantity of food consumed, and / or the assimilation of food by the body, and therefore a significant weight reduction. The surgery of obesity allows a mechanical and metabolic help facilitating the reduction of the quantity of food consumed, and / or the assimilation of food by the body. Surgery for obesity is currently booming. It's not about. Definition Bariatric surgery is a surgical technique used in some cases of severe obesity. It is a technique reserved for obese whose life is threatened by their condition and for which all treatments have failed. It consists of a gastric band (called gastroplasty) that reduces the size of the stomach, or a digestive system to bypass the absorption of nutrients. Generally, a significant weight loss is noted in the aftermath of this kind of intervention. It is a heavy surgery requiring a long postoperative follow-up and a change of eating habits. There are 2 main types of surgical techniques: Pure restrictive techniques The pure restrictive techniques are longitudinal gastrectomy or sleeve gastrectomy, as well as the adjustable gastric band. These methods decrease the size of the stomach. The technique of the gastric ring is to place a ring around the stomach to reduce its volume and control the amount of food absorbed. It can be kept for life or removed after a few years. The digestion is not disturbed, but side effects such as vomiting are relatively common. Longitudinal gastrectomy is a more complex and irreversible operation. Restrictive and malabsorptive techniques Mixed techniques reduce the size of the stomach and reduce the assimilation of food by the body. This is basically the technical gastric bypass, also called gastric bypass, in which a bridge is created between the esophagus and intestine, reducing the absorption of food. Some deficiencies are possible, and all food gap leads to digestive disorders immediate. All bariatric surgery interventions can cause a weight recovery more or less long term sometimes requiring re-intervention. Gastric Band The onset of acute gastric obstruction and infection are the most common complications. Erosion of the gastric band, sliding or displacement of the ring, abnormal housing and catheter, esophagi is or gastro esophageal reflux and dilation of the esophagus and / or reservoir are complications that may appear later. Dilation is one of the most common and problematic complications of the gastric band as it can lead to ring slip and gastric perforation. It is caused by too much tightening of the Restrictive techniques, such as the gastric band, lead mainly to lack of intake such as iron. Sleeve The fistula related to leakage of digestive fluid at the staple line may appear quickly and cause abscesses deep or peritonitis. This major complication requires rapid re-intervention that can prolong the period of hospitalization. A hemorrhage occurring on the line of the staples resulting in bleeding on the length of the gastrointestinal tract, gastric stenos is, gastro esophageal reflux or dilation of the digestive tract are complications may also occur. Gastric bypass A pulmonary embolism, a fistula, bleeding, infection of the abdominal wall and gallstones are the complications that can be observed after a bypass. Who to consult? A person who is overweight and wants to consider surgery should talk to their doctor and / or an obesity specialist such as an endocrinologist, a nutritionist, a digestive or visceral surgeon, a dietician, a psychiatrist or a doctor at surgical weight loss center Sydney. This professional will direct you to a multidisciplinary team specialized in obesity surgery. It is necessary to consult, on the advice of the treating physician or the obesity specialist, a post weight loss surgery Sydney professional from a multidisciplinary team specialized in obesity surgery. This consultation then determines whether or not you have surgery.