Endoscopic sleeve gastroplasty and postprocedural nutritional deficiencies: results from a single center exploratory study

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Abstract
Nutritional deficiencies following endoscopic sleeve gastroplasty (ESG) are unknown. We retrospectively studied nutritional deficiencies in 20 patients who underwent ESG at our institution. No subjects had preprocedural anemia, whereas 22.2% (N = 2/9) developed anemia at 12 months. Vitamin D deficiency developed in one subject post-ESG. Vitamin A, E, C and magnesium deficiencies developed in 8.3% (N = 1/12), 18.2% (N = 2/11), 14.3% (N = 1/7) and 10% (N = 1/10) of subjects, respectively, at 12 months. Vitamin B12 and B6 deficiencies were detected in 12.5 and 14.3% of the subjects at baseline, however, resolved at 12 months. There were no pre- or postprocedural deficiencies in zinc, selenium, copper, folate, thiamine, phosphorus or calcium. In this study, nutritional deficiencies were observed in a very small subset of patients at various time points after ESG.