الفهرس 
Etiology of ObesityOnly 14 pages are availabe for public view
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Abstract
Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have an adverse effect on health, leading to reduced life expectancy and increased health problems.
There are a lot of causes of obesity depending on many factors like: diet, sedentary life, exercise trends, genetic factors, certain medications, social class and infectious agents. Surgical management of morbid obesity is the most long-term treatment for obesity.
Bariatric surgical techniques include Malabsorptive procedures, Restrictive procedures and combined procedures. Which depend on both malabsorption and decrease size of the stomach, as, roux-en-y and mini-gastric bypass surgeries.
Roux-en-Y gastric bypass is the most frequent performed bariatric procedure. It has both restrictive and malabsorptive aspects. But it has also some complications e.g., infection, venous thromboembolism, hemorrhage, hernia, bowel obstruction and complication of gastric bypass e.g., anastomotic leakage, stricture, ulcer and nutritional deficiencies.
Mini-gastric bypass surgery is now an effective alternative to roux-en-y procedure for treatment of morbid obesity. As it carries many advantages as the cost of mini-gastric bypass is less than other procedures, the time of mini-gastric bypass is decreased from 2 hours to 45- 60 minutes and it gives the excellent results on the long run. However minigastric bypass as any loop anastomosis carries the risks of bile reflux gastritis and reflux oesphagitis which is not evident in the studies.
Finally it is confirmed that mini-gastric bypass surgery is easy, simple, less expensive, and less time-consuming and gives better results than roux-en-y gastric bypass surgery, however we need more studies to detect the possible complication specific to the mini-gastric bypass mainly biliary reflux gastritis.