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A importância clínica da vitamina D

Authors: Freire, Ana Cláudia Magalhães;

A importância clínica da vitamina D

Abstract

A deficiência em vitamina D é um problema de saúde pública que afeta a população de todo o mundo, estimando-se que afete cerca de mil milhões de pessoas de todas as faixas etárias. No ser humano a vitamina D pode ser obtida de três formas, pela exposição da pele à radiação UVB, pela ingestão alimentar e pela suplementação/medicação. A vitamina D sofre duas hidroxilações até chegar à sua forma ativa. É no fígado que a vitamina D, seja ingerida ou produzida na nossa pele, se metaboliza primeiro em 25-hidroxivitamina, a principal forma circulante, e depois no rim, a vitamina D é novamente metabolizada até tornar na sua forma ativa, 1,25-dihidroxivitamina D. A concentração sérica total de 25(OH)D é usada para definir o status da vitamina D, pois é considerada o indicador mais confiável de seu armazenamento no corpo humano.

Country
Portugal
Keywords

Vitamina D, 25-hidroxivitamina, 1,25-dihidroxivitamina, Deficiência

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green