S Xanthakos et al. Clin Gastroenterol Hepatol 2020; 18: 1070-81. Full Text: Nutritional Risks in Adolescents After Bariatric Surgery
This was a multicenter prospective cohort study with 226 adolescents (mean age 16.5 years, mean BMI of 52.7) who had either Roux-en-Y bypass (RYGB, n=161) or vertical sleeve gastrectomy (VSG, n=67).
Key findings:
- At 5 years, 59% of RYGB and 27% of VSG had ≥2 nutritional deficiencies
- The most prevalent abnormality we observed was hypoferritinemia, which affected nearly twice as many RYGB recipients by Year 5 compared with VSG.
- Vitamin B12 status likewise worsened disproportionately after RYGB, despite similar trajectories of weight loss after VSG
- Image below shows the prevalence of abnormal values for vitamins over time
My take: This study shows that adolescents undergoing VSG had fewer nutritional deficiencies than RYGB and provides data supporting nutritional monitoring after bariatric surgery.
B Koletzko et al. JPGN 2020 70: 702-10. Full Text: Prevention of Childhood Obesity: A Position Paper of the Global Federation of International Societies of Paediatric Gastroenterology, Hepatology, and Nutrition (FISPGHAN)
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