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Due to the increasing prevalence of obesity and increasing the bariatric surgical procedures worldwide as the main treatments for severe obesity and the existence of calcium and vitamin D deficiency in these patients, it is necessary to evaluate and compare these elements in patients before and after bariatric surgery to perform proper treatment. Therefore, considering this necessity, the present review was designed. After searching in PubMed and Scopus database and screening the studies (in terms of quality and relevance), the contents were classified and the most important points were reported in this study.

annals of bariatric surgery

Evaluation of Calcium, Vitamin D and Parathormone Levels in Three Types of Bariatric Surgery; Sleeve Gastrectomy, One Anastomosis Gastric Bypass and Roux-en Y Gastric Bypass before and after surgery: a Mini-review