2014
DOI: 10.1053/j.ajkd.2014.05.018
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25-Hydroxyvitamin D Testing and Supplementation in CKD: An NKF-KDOQI Controversies Report

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Cited by 38 publications
(30 citation statements)
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References 93 publications
(90 reference statements)
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“…The determination of seric levels of vitamin D in patients with CKD undergoing dialysis for their interpretation and subsequent supplementation has been a topic of controversy due to the different results obtained by different investigators 39,40.…”
Section: Discussionmentioning
confidence: 99%
“…The determination of seric levels of vitamin D in patients with CKD undergoing dialysis for their interpretation and subsequent supplementation has been a topic of controversy due to the different results obtained by different investigators 39,40.…”
Section: Discussionmentioning
confidence: 99%
“…11 Patients with CKD are more likely to have low vitamin D levels due to proteinuria, less outdoor physical activity and dietary restrictions. 12 25-hydroxyvitamin D gets converted to 1,25-dihydroxyvitamin D in the kidney and other tissues where the 1-alpha hydroxylase functions (such as monocytes, etc). Theoretically, patients with CKD may require nutritional vitamin D (25-hydroxyvitamin D) as a substrate for production of 1,25-dihydroxyvitamin D in sites other than the kidney and this conversion may have non-calcemic actions, such as actions on the immune system, the heart, the pancreas and others.…”
Section: The Use Of Nutritional Vitamin D (25-hydroxyvitamin D Use)mentioning
confidence: 99%
“…O calcidiol liga-se novamente à DBP e é transportado até as células tubulares renais, onde é convertido em calcitriol pela enzima 1α-hidroxilase. 2,7,8 O calcitriol atua através da ligação ao receptor da vitamina D (VDR), presente em diversos tipos celulares do organismo, como células endoteliais, pancreáticas, hematopoiéticas, placentárias, musculares, neuronais, leucocitárias e relacionadas ao metabolismo mineral e ósseo. O complexo vitamina D-VDR vai até o núcleo celular, onde sofre mais uma transformação ao se ligar ao receptor do áci-do retinoico, exercendo efeito sobre a transcrição de muitos genes.…”
Section: Nomenclatura E Metabolismo Da Vitamina Dunclassified
“…Já a avaliação dos níveis de calcitriol geralmente é restrita à pesquisa científi ca ou a determinadas situações clínicas. 2,8 Existem diversos métodos para a dosagem de 25-hidroxivitamina D. O padrão-ouro é a espectrofotometria de massa, porém o alto custo restringe o seu uso. Outras técnicas, como o ensaio imunoenzimático (ELISA) e principalmente a quimiluminescência, têm sido bastante utilizadas.…”
Section: 10unclassified