Hypovitaminosis D in patients after bariatric surgery by Y-Roux and Sleeve
Keywords:Obesity, Bariatric Surgery, Gastric Bypass, Vertical Gastrectomy.
AbstractIntroduction: Obesity is a multifactorial chronic disease, resulting from complex interactions between genetic, psychological, environments, lifestyles and emotional facts. Bariatric surgery is the most effective tool in the control and treatment of severe obesity. However, individuals submitted to this surgery may present malabsorption, some degrees of protein-energy malnutrition and hypovitaminosis. Objectives:To evaluate the prevalence of hypovitaminosis D in bariatric patients submitted to BPGYR and to the Sleeve using conventional multivitamin (group with supplementation) or (without supplementation). Methodology: A cross-sectional, retrospective, on the analysis of the medical records of female and male patients submitted to BPGYR and Sleeve in the late postoperative period. Data regarding the time after surgery, pre and post-surgery weight, percentage loss of excess weight and serious levels of vitamin D, PTH and calcium were analyzed. A total of 93 patients were analyzed, with a mean age of 41.4 ± 7.1 in the SS group and 43.7 ± 10.4 in the CS group. The mean time after bariatric was 52.4 ± 46.4 months in the SS and 46.2 ± 37.1 in the CS, with no difference between groups. Results:Surgery was effective in the loss of weight of the patients studied (SS - 70.3%±22.6; CS -79.3% ± 26.8; p= 0.19); however, hypovitaminosis D was found (SS-26.4 ± 10.0, CS-24.9 ± 10, p = 0.91) even in the group supplemented with conventional multivitamins. Conclusion: BPGYR and Sleeve are effective procedures in weight loss;these patients, however, are deficient in vitamin D. A supplementation with multivitamins is not sufficient to avoid hypovitaminosis, requiring vitamin D supplementation.
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