Weight loss surgery is indicated in patients with a bmi of 35 with no associated disease and in patients who are entering the bmi of 30 that are diabetic or hypertensive. With obesity surgery the patient controls conditiones diseases by improving the quality of life and prevents serious health problems as diabetes, hypertension, sleep apnea, cholesterol, and that is p ...roven that only weight loss surgery improves diseases associated by obesity. obesity surgery is a considered major surgery performed in all cases by laparoscopy using the best available technology, to make small incisions through the abdomen on which it is introduced a high resolution camera that allows the bariatric surgeon to make the surgical approach and well as reduces the risk of post-operatory hernia and pain.