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Iodine deficiency and subclinical hypothyroidism are common in cystic fibrosis patients.
MedLine Citation:
PMID:  23107148     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Disorders of thyroid function have been inconsistently described in cystic fibrosis (CF) patients and in CF transmembrane regulator protein knockout animals. The literature lacks reports on iodine status of CF individuals. We hypothesize, that iodine deficiency is common in CF and account for abnormal thyroid function in CF patients. METHODS: We investigated 129 children, adolescents, and adults with CF, who were living in the northern part of Bavaria/Germany. Malnutrition and lung function were analyzed. Urinary iodine excretion, TSH (thyroid-stimulating hormone), and ft4 (free thyroxine) were measured and set in relation to population-based, age-adjusted reference ranges. RESULTS: Subclinical hypothyroidism (normal fT4, elevated TSH) was found in 11.6% of subjects, and iodine deficiency in 83.7%. No correlations were found with age, BMI, status of malnutrition, or lung function. CONCLUSION: Dramatic iodine deficiency was found in our cohort of CF patients. This condition can cause subclinical hypothyroidism; therefore, an individual iodine supplementation program is necessary and should be started immediately.
Authors:
Lutz Naehrlich; Helmuth-Günther Dörr; Azadeh Bagheri-Behrouzi; Manfred Rauh
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-26
Journal Detail:
Title:  Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS)     Volume:  -     ISSN:  1878-3252     ISO Abbreviation:  J Trace Elem Med Biol     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9508274     Medline TA:  J Trace Elem Med Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Crown Copyright © 2012. Published by Elsevier GmbH. All rights reserved.
Affiliation:
Department of Pediatrics, Justus-Liebig-University Giessen, Giessen/Germany, Feulgenstrasse 12, D-35385 Giessen, Germany. Electronic address: lutz.naehrlich@paediat.med.uni-giessen.de.
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