Cited by 106Bariatric Surgery and OutcomesIron Metabolism and DisordersNutrition and Health in Aging

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Iron deficiency after bariatric surgery: what is the real problem?

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Steenackers, Nele, Van der Schueren, Bart, Mertens, Ann, Lannoo, Matthias, Grauwet, Tara, Augustijns, Patrick, Matthys, Christophe·2018·Proceedings of the Nutrition Society

DOI 10.1017/s0029665118000149

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Abstract

The growing prevalence of obesity explains the rising interest in bariatric surgery. Compared with non-surgical treatment options, bariatric surgery results in greater and sustained improvements in weight loss, obesity associated complications, all-cause mortality and quality of life. These encouraging metabolic and weight effects come with a downside, namely the risk of nutritional deficiencies. Particularly striking is the risk to develop iron deficiency. Postoperatively, the prevalence of iron deficiency varies between 18 and 53 % after Roux-en-Y gastric bypass and between 1 and 54 % after sleeve gastrectomy. Therefore, preventive strategies and effective treatment options for iron deficiency are crucial to successfully manage the iron status of patients after bariatric surgery. With this review, we discuss the risks and the contributing factors of developing iron deficiency after bariatric surgery. Furthermore, we highlight the discrepancy in the diagnosis of iron deficiency, iron deficiency anaemia and anaemia and highlight the evidence supporting the current nutritional recommendations in the field of bariatric research. In conclusion, we advocate for more nutrition-related research in patient populations in order to provide strong evidence-based guidelines after bariatric surgery.

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Authors: Steenackers, N., Van der Schueren, B., Mertens, A., Lannoo, M., Grauwet, T., Augustijns, P., & Matthys, C.
Affiliations: Universitair Ziekenhuis Leuven (BE)
KU Leuven (BE)
Corresponding author: Matthys, Christophe
ORCID: Steenackers, Nele
Mertens, Ann
Lannoo, Matthias
Grauwet, Tara
Augustijns, Patrick
Matthys, Christophe
Venue: Proceedings of the Nutrition Society
Publisher: Cambridge University Press (CUP)
Published: 2018-04-05
Volume: 77
Issue: 4
Pages: 445-455
ISSN: 0029-6651 (ISSN-L)
1475-2719
DOI: 10.1017/s0029665118000149
OpenAlex: W2796155825
Cited by: 106
References: 93
Citations by year: 2026: 8 · 2025: 15 · 2024: 18 · 2023: 17 · 2022: 13 · 2021: 17 · 2020: 6 · 2019: 8 · 2018: 2
FWCI: 1.84
Type: journal article
Language: en
Open access: bronze
doi.org
Licence: www.cambridge.org/core/terms (unspecified)
Locations: Proceedings of The Nutrition Society (publishedVersion)
PubMed (publishedVersion)
Research Publications (Maastricht University) (publishedVersion, other-oa)
Lirias (submittedVersion, other-oa)
Topics: Health Sciences › Medicine › Surgery › Bariatric Surgery and Outcomes
Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
Health Sciences › Medicine › Physiology (medical) › Nutrition and Health in Aging
Keywords: iron deficiency, bariatric surgery, Roux-en-Y gastric bypass, sleeve gastrectomy, iron deficiency anemia, anemia, nutritional deficiency, obesity, iron status, postoperative nutrition, iron supplementation
MeSH terms: Iron Deficiencies, Gastrectomy, Humans, Nutritional Status, Obesity, Gastric Bypass, Anemia, Iron-Deficiency, Bariatric Surgery

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