HN-00530093_Mineral Deficiencies after Bariatric Surgery: A Systematic Review

Introduction: Bariatric surgery is the leading standard management for durable weight loss as lifestyle modifications and conventional medical treatments seldom yield satisfactory long-term results in obese patients. Micronutrient deficiencies and malnutrition are common after most bariatric procedures due to reduced overall oral intake. In this review, we aimed to assess the prevalence of iron, zinc, copper, selenium and calcium deficiency after bariatric surgery.Methods: We searched PubMed and EMBASE databases from 2016 to 2019. A group of search terms were used including (‘bariatric surgery’ or ‘sleeve gastrectomy’ or ‘gastric sleeve’ or ‘LSG’ or ‘LVSG’ or ‘gastric bypass or ‘RYGB’ or ‘gastric band’ or ‘LAGB’ or ‘adjustable gastric band’) and (‘trace element’ or ‘micronutrient’, or minerals or ‘iron’ or ‘copper’ or ‘zinc’ or selenium or calcium ) and ( deficiency or ‘deficient’ or depletion’ or ‘insufficient’) in the search protocol.Results: We identified 556 articles out of 2 databases and 158 duplicate records were excluded. Then 351 records were excluded based on assessing the title and abstract and full text. The remaining 47 articles in addition to 1 record identified through hand searching, were assessed for eligibility. Finally, 24 articles were included in this systematic review. Results show that mineral deficiency, especially iron and zinc, is prevalent after bariatric surgery. Also, copper deficiency has been reported while selenium is not much of a concern.Conclusion: Mineral and vitamin intake should be regarded after bariatric surgery. Further research should investigate the risk of micronutrients deficiency with specific focus on minerals after bariatric surgery.

کلیدواژه ها:

mineral deficiency ، bariatric surgery ، micronutrients ، iron ، zinc