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- W3140493418 abstract "<b><i>Introduction:</i></b> While vitamin deficiency after bariatric surgery has been repeatedly described, few studies have focused on adequate micronutrient status. In this study, we examine the prevalence of vitamin and micronutrient deficiency for the first 3 years after surgery. <b><i>Methods:</i></b> Out of 1,216 patients undergoing surgery, 485 who underwent postoperative follow-up in an outpatient clinic between 2010 and 2019 were included in this evaluation (76.9% women, mean age 42 ± 12 years, mean BMI: year 1, 33.9 ± 19.2; year 2, 29.7 ± 8.7; year 3, 26.2 ± 4.0). Weight and cardiovascular risk factors as well as ferritin, vitamin B12, folic acid, 25-OH-vitamin D, vitamin A, vitamin E, zinc, copper, and selenium were evaluated. Deficits were defined as follows: ferritin <15 µg/L, vitamin B12 <197 pg/mL, folic acid <4.4 ng/mL, 25-OH-vitamin D <75 nmol/L, vitamin A <1.05 µmol/L, vitamin E <12 µmol/L, zinc <0.54 mg/L, copper <0.81 mg/L, and selenium <50 µg/L. All patients underwent dietary counselling and substitution of the respective deficits as appropriate. <b><i>Results:</i></b> One year after bariatric surgery, 485 patients completed follow-up. This number decreased to 114 patients in year 2, and 80 patients in year 3. Overall, 42.7% (<i>n</i> = 207) underwent sleeve gastrectomy, 43.7% (<i>n</i> = 211) Roux-en-Y-gastric bypass, and 13.9% (<i>n</i> = 67) gastric banding. The following deficits were found (year 1/2/3): ferritin, 21.6/35.0/32.5%; vitamin B12, 14.3/1.8/6.3%; folic acid, 29.7/21.6/15.3%; 25-OH-vitamin D, 70.8/67.0/57.4%; vitamin A, 13.2/8.9/12.8%; vitamin E, 0%; zinc, 1.7/0/1.5%; copper, 10.4/12.2/11.9%; selenium, 11.1/4.3/0%. <b><i>Conclusion:</i></b> As seen in other studies, the follow-up frequency decreased over the years. Despite intensive substitution, the extent of some deficiencies increased or did not improve. These results suggest reinforcing measures to motivate patients for regular follow-up visits, considering closer monitoring schedules, and improving supplementation strategies." @default.
- W3140493418 created "2021-04-13" @default.
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- W3140493418 date "2021-01-01" @default.
- W3140493418 modified "2023-10-18" @default.
- W3140493418 title "Prevalence of Micronutrient Deficiency after Bariatric Surgery" @default.
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- W3140493418 doi "https://doi.org/10.1159/000514847" @default.
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