ABSTRACT
Purpose:determine the effect of sleeve gastrectomy on the quality of life of obese patients. Method: The initial search was based on relevant keywords in the electronic databases PubMed, Scopus, Web of Science, EBSCO and Embase between 2013 to September 2021. The mean difference was calculated with 95% confidence interval (CI) by fixed effect model and inverse variance method. Meta-analysis was performed Result: Three RCT studies, two Prospective studies and one Retrospective study have been included in present article. Mean of Weight and BMI were 126.16 +/- 22.9 kg and 45.45 +/-.21 kg/m(2). Mean differences of quality of life after laparoscopic sleeve gastrectomy in Morbid Obese patients was 21.75 (MD, 95% CI 20.54, 22.96). Conclusion:result indicate an improvement in patients' quality of life after one year of laparoscopic sleeve gastrectomy (p=0.00) and improvement in quality of life is observed in all questionnaires.