25-hydroxyvitamin d threshold values should be age-specific
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Resumo
The demand for 25-hydroxyvitamin D (25-OHD) testing has risen massively in recent years. This renewed interest
in vitamin D could be explained, at least in part, by the worldwide tendency toward insufficiency, which has been
noticed since the adoption of new cutoff values used to define optimal concentrations based on functional meas urements [1, 2]. One of the most common functional defini tions of vitamin D “sufficiency” is based on serum 25-OHD concentrations which maximally suppress parathyroid hormone (PTH) secretion [1]. Although vitamin D require ments are thought to vary with age, no differences have been observed in reported thresholds. From the youngest to the elderly, 30 ng/mL has been the most frequently adopted
cutoff value for defining optimal vitamin D status.
Abstract
Assunto
Fatores Etários, Hormônio Paratireóideo, Vitamina D
Palavras-chave
Age factors, Parathyroid hormone, Vitamin D
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https://www.degruyter.com/document/doi/10.1515/cclm-2016-0798/html