Micronutrient Supplementation after Biliopancreatic Diversion with Duodenal Switch in the Long Term

Nett, Philipp C.; Borbély, Yves Michael; Kröll, Dino (2016). Micronutrient Supplementation after Biliopancreatic Diversion with Duodenal Switch in the Long Term. Obesity surgery, 26(10), pp. 2469-2474. Springer 10.1007/s11695-016-2132-1

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Background Malabsorptive bariatric surgery requires lifelongmicronutrientsupplementation.Basedontherecommendations, we assessed the number of adjustments of micronutrientsupplementationandtheprevalenceofvitaminandmineral deficiencies at a minimum follow-up of 5 years after biliopancreatic diversion with duodenal switch (BPD-DS). Methods Between October 2010 and December 2013, a total of 51 patients at a minimum follow-up of 5 years after BPDDS were invited for a clinical check-up with a nutritional blood screening test for vitamins and minerals. Results Forty-three of fifty-one patients (84.3 %) completed the blood sampling with a median follow-up of 71.2 (range 60–102) monthsafter BPD-DS. At that time,all patientswere supplemented with at least one multivitamin. However, 35 patients (81.4 %) showed either a vitamin or a mineral deficiencyoracombinationofit.Nineteenpatients(44.1%)were anemic,and17patients(39.5%)hadanirondeficiency.High deficiency rates for fat-soluble vitamins were also present in 23.2 % for vitamin A, in 76.7 % for vitamin D, in 7.0 % for vitamin E, and in 11.6 % for vitamin K. Conclusions Theresultsofourstudyshowthattheprevalence ofvitaminandmineraldeficienciesafterBPD-DSis81.4%at a minimum follow-up of 5 years. The initial prescription of micronutrientsupplementationandfurtheradjustmentsduring thefirstfollow-upwereinsufficient toavoidlong-term micronutrient deficiencies. Life-long monitoring of micronutrients at a specialized bariatric center and possibly a better
micronutrient supplementation, is crucial to avoid a deficient micronutrient status at every stage after malabsorptive bariatric surgery

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