الفهرس 
Title
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Abstract
Bariatric surgery has long been introduced for weight control in conservative treatment failed individuals (yingjun et al., 2015). Compared with nonsurgical strategies, bariatric surgery proves more effective for moderately to severely obese people to lose weight (Picot et al., 2009). Patients vary in their responses to bariatric operations. Most patients change their diets (Sarwer et al., 2008). Other factors that influence weight loss include age, gender, race, body composition, education, emotional status, level of activity (Schauer et al., 2003). The most remarkable effects of bariatric surgery is the full and rapid remission of type 2 diabetes mellitus (Walter, 2008) and improvement of metabolic/cardiovascular risk factors in severely obese patients (Ricardo et 2013). The short-term (decreased caloric intake) and long-term results (decreased fat mass and body weight) of bariatric surgery complementarily to improvement in glucose metabolism, insulin resistance, change in adipocytokines release and quality of life aAndrew et al., 2005