الفهرس 
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Abstract
Obesity is a global health problem with rising prevalence all over the world. It carries major health consequences in addition to being a preventable leading cause of death. Many causes may contribute to the manifestation of obesity, which makes determining its cause and designing the appropriate protocol for management a challenging process. Among different lines of management, surgical intervention remains the most reliable approach to achieve and maintain a desirable weight loss. Many bariatric and metabolic procedures have been designed and practiced with variable degrees of success and complication probabilities. One of the most popular procedures is laparoscopic sleeve gastrectomy. Its preference is due to the feasibility of the technique, fewer complications, and promising results regarding weight loss. On the other hand, LSG may be associated with multiple postoperative complications. PONV is the most common complication, whereas staple-line leak is the most fearful one. Studies about the incidence of PONV and its management are limited. Furthermore, many protocols were followed for management and control of PONV with variable degrees of successfulness. Moreover, none of them tried to design a solution based on the assumption that the increased gastric ILP after LSG may contribute to the increased incidence of PONV after LSG.