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Uric Acid as a potential cue to screen for iron overload.
MedLine Citation:
PMID:  21737766     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: It is suggested that targeted screening for hemochromatosis and iron overload may be worthwhile. The aim of this study was to examine uric acid as a potential indicator of the presence of iron overload.
METHODS: We analyzed adults aged 20 and older in the National Health and Nutrition Examination Survey 1999 to 2002. We computed logistic regressions controlling for age, sex, race/ethnicity, liver or kidney condition, and alcohol use to see the relationship between combinations of uric acid and ferritin with the outcomes of elevated liver enzymes and proteinuria.
RESULTS: In unadjusted analyses, 20.7% of individuals with high uric acid had high ferritin levels versus 8.8% of individuals with low uric acid levels (P < .001). Individuals with both elevated uric acid and elevated ferritin levels had significantly higher liver enzymes than individuals with either elevated uric acid or ferritin. With low uric acid and low ferritin as the reference category, individuals with high uric acid and high ferritin were significantly more likely to also have proteinuria (odds ratio, 2.66; 95% CI, 1.82-3.91).
CONCLUSIONS: Elevated levels of uric acid is associated with elevated ferritin levels and may serve as a risk stratification variable for presence of iron overload and hemochromatosis.
Arch G Mainous; Michele E Knoll; Charles J Everett; Eric M Matheson; Mary M Hulihan; Althea M Grant
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the American Board of Family Medicine : JABFM     Volume:  24     ISSN:  1557-2625     ISO Abbreviation:  J Am Board Fam Med     Publication Date:    2011 Jul-Aug
Date Detail:
Created Date:  2011-07-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101256526     Medline TA:  J Am Board Fam Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  415-21     Citation Subset:  IM    
Department of Family Medicine, Medical University of South Carolina, Charleston.
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