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Published in: Obesity Surgery 6/2012

01-06-2012 | Clinical Research

Pre- and Postoperative Nutritional Deficiencies in Obese Patients Undergoing Laparoscopic Sleeve Gastrectomy

Authors: Antje Damms-Machado, Asja Friedrich, Klaus Michael Kramer, Katrin Stingel, Tobias Meile, Markus A. Küper, Alfred Königsrainer, Stephan C. Bischoff

Published in: Obesity Surgery | Issue 6/2012

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Abstract

Background

Laparoscopic sleeve gastrectomy (LSG) has been identified as an innovative surgical approach for the treatment of obesity and is increasingly applied worldwide. However, data on outcome of LSG regarding nutrient deficiencies, protein status, and body composition are scarce.

Methods

Obese subjects (54; f:m = 4:1) scheduled for LSG were included in this study. Micronutrient analysis, protein status assessment, and bioimpedance measures were performed before and 1, 3, 6, and 12 months after LSG.

Results

In 51% of the subjects, at least one micronutrient deficiency was found prior to surgery. Baseline concentrations were below normal for 25-OH vitamin D (27%), iron (29%), vitamin B6 (11%), vitamin B12 (9%), folate (6%), and potassium (7%). Frequencies of deficiencies for vitamin B12, folate, iron, and vitamin B6 tended to increase following LSG within the first year after intervention. Also, parameters of protein status (albumin, transferrin, cholinesterase, and total protein) decreased. After surgery, bioimpedance measures indicated a reduction of total body fat, but also of body cell mass.

Conclusions

Preoperative micronutrient deficiencies were common in morbid obese individuals scheduled for LSG. LSG had a modest effect on micronutrient status by further reducing iron, vitamin B12, vitamin B6, and folate within the first year after intervention. Our data suggest that especially obese patients with preoperative deficits require control and supplementation of micronutrients and protein in the postoperative period. ClinicalTrials.gov identifier: NCT01344525
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Metadata
Title
Pre- and Postoperative Nutritional Deficiencies in Obese Patients Undergoing Laparoscopic Sleeve Gastrectomy
Authors
Antje Damms-Machado
Asja Friedrich
Klaus Michael Kramer
Katrin Stingel
Tobias Meile
Markus A. Küper
Alfred Königsrainer
Stephan C. Bischoff
Publication date
01-06-2012
Publisher
Springer-Verlag
Published in
Obesity Surgery / Issue 6/2012
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI
https://doi.org/10.1007/s11695-012-0609-0

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