Cited by 35Thyroid Disorders and TreatmentsClinical Nutrition and GastroenterologyNutrition and Health Studies

Iodine: It’s Important in Patients That Require Parenteral Nutrition

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Zimmermann, Michael B.·2009·Gastroenterology

Abstract

Iodine deficiency has multiple adverse effects on growth and development because of inadequate thyroid hormone production. Four methods are generally recommended for assessment of iodine nutrition: urinary iodine concentration, thyroid size, and blood concentrations of thyroid-stimulating hormone and thyroglobulin. Iodine intakes < or = 1 mg/d are well tolerated by most adults, because the thyroid is able to adjust to a wide range of intakes. A daily dose of 1 microg iodine/kg body weight is recommended for infants and children receiving parenteral nutrition (PN), but this is far below their requirement. Daily iodine requirements in adults receiving enteral nutrition or PN are estimated to be 70-150 microg, but most PN formulations do not contain iodine. Despite this, deficiency is unlikely because absorption from iodine-containing skin disinfectants and other adventitious sources can provide sufficient iodine. However, if chlorhexidine replaces iodine-containing disinfectants for catheter care, iodine deficiency may occur during long-term PN, and periodic testing of thyroid functions may be prudent. Infants may be particularly vulnerable because of their small thyroidal iodine store, but available data do not yet support routine supplementation of preterm infants with iodine. Adults may be less vulnerable because thyroidal iodine stores may be able to support thyroid hormone production for several months. More studies to clarify this issue would be valuable.

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Crossref · 10.1053/j.gastro.2009.07.074

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Authors
Zimmermann, M. B.
Affiliations
ETH Zurich (CH)
Corresponding author
Zimmermann, Michael B.
Venue
Gastroenterology
Publisher
Elsevier BV
Published
2009-11
Volume
137
Issue
5
Pages
S36-S46
ISSN
0016-5085 (ISSN-L)
OpenAlex
W2094775434
Cited by
35
References
90
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 1 · 2019: 1 · 2018: 4 · 2016: 2 · 2015: 5 · 2014: 3 · 2013: 3 · 2012: 4
FWCI
1.69
Type
journal article
Language
en
Open access
Locations
  • Gastroenterology (publishedVersion)
  • PubMed (publishedVersion)
  • Socio-Environmental Systems Modeling (acceptedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutrition and Health Studies
Keywords
iodine deficiency, parenteral nutrition, iodine requirements, thyroid function, urinary iodine, thyroid-stimulating hormone, thyroglobulin, chlorhexidine, catheter care, skin disinfectants, preterm infants, iodine supplementation, enteral nutrition
MeSH terms
Adult, Child, Cognition Disorders, Congenital Hypothyroidism, Deficiency Diseases, Dose-Response Relationship, Drug, Enteral Nutrition, Female, Goiter, Growth Disorders, Humans, Iodine, Parenteral Nutrition, Pregnancy, Pregnancy Complications, Thyroglobulin, Thyroid Gland, Thyroid Hormones, Thyrotropin, Trace Elements, Practice Guidelines as Topic, Perinatal Mortality

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