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Medientyp:
E-Artikel
Titel:
Effect of Vitamin A on Fracture Risk
Beteiligte:
Jackson, Heather A;
Sheehan, Amy Heck
Erschienen:
SAGE Publications, 2005
Erschienen in:Annals of Pharmacotherapy
Sprache:
Englisch
DOI:
10.1345/aph.1g028
ISSN:
1060-0280;
1542-6270
Entstehung:
Anmerkungen:
Beschreibung:
<jats:sec><jats:title>OBJECTIVE</jats:title><jats:p> To describe current data evaluating the effect of vitamin A intake on fracture risk. </jats:p></jats:sec><jats:sec><jats:title>DATA SOURCES</jats:title><jats:p> A literature search using MEDLINE (1966–March 2005) was conducted using the search terms bone density, fractures, osteoporosis, retinol, and vitamin A to identify published studies evaluating the effects of vitamin A on bone. </jats:p></jats:sec><jats:sec><jats:title>DATA SYNTHESIS</jats:title><jats:p> Studies evaluating vitamin A consumption and fracture risk were reviewed. Current data suggest a potential inverse relationship between excess vitamin A consumption and bone mineral density leading to an increased risk for fracture. </jats:p></jats:sec><jats:sec><jats:title>CONCLUSIONS</jats:title><jats:p> Although current data are limited, consumption of large amounts of vitamin A may be associated with decreased bone mineral density and increased fracture risk. Until further information is available, patients should be made aware of the potential risks of consuming vitamin A in amounts that exceed the recommended dietary allowance. Further research is needed to clarify the relationship between vitamin A and fracture risk. </jats:p></jats:sec>