Dosage des vitamines D circulantes (méthodologie, pièges analytiques, intérêt clinique)

作者: M Garabedian

DOI: 10.1016/S0923-2532(05)80359-X

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摘要: Resume Le dosage des concentrations de 25-hydroxyvitamine D dans le sang est un outil technique fondamental pour l'evaluation reserves en vitamine et la surveillance traitements par cette vitamine. 1,25-(OH)2D, plus complexe d'un interet clinique moins immediat, egalement disponible plusieurs centres hospitaliers, son emploi ayant ete facilite commercialisation «Kits dosage. D, ses autres metabolites di-hydroxyles, formes D2 D3, meme que proteine porteuse specifique peuvent etre effectues quelques specialises France comme a l'etranger, mais sont habituellement investigations recherche clinique. Differentes techniques utilisees. Toutes necessitent au prealable une extraction souvent chromatographie fraction liposoluble l'echantillon doser. Plusieurs enquetes multicentriques nationales internationales ont mis lumiere les divergences qui existent laboratoire l'autre quant aux resultats ces dosages. L'etablissement normes chacun laboratoires pratiquent 25-(OH)D donc mise place controle qualite interlaboratoire permanent souhaitable.

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