Calcium absorption response to cholecalciferol supplementation in hemodialysis

Laura A G Armas, Mohsen Zena, Richard Lund, Robert P. Heaney

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Background and objectives Recent understanding of extrarenal production of calcitriol has led to the use of more vitaminD supplementation in CKD populations. This paper reports the effect of cholecalciferol supplementation on calcium absorption. Design, setting, participants, & measurements Paired calcium absorption tests were done before and after 12-13 weeks of 20,000 IUweekly cholecalciferol supplementation in 30 participants with stage 5 CKD on hemodialysis. The study was conducted from April to December of 2011. Calcium absorption was tested with a standardized meal containing 300 mg calcium carbonate intrinsically labeled with 45Ca; 25-hydroxyvitamin D and 1,25- dihydroxyvitamin D were measured. Results 25-Hydroxyvitamin D rose from 14.2 ng/ml (11.5-18.5) at baseline to 49.3 ng/ml (42.3-58.1) at the end of the study (P

Original languageEnglish
Pages (from-to)1003-1008
Number of pages6
JournalClinical journal of the American Society of Nephrology : CJASN
Volume8
Issue number6
DOIs
StatePublished - Jun 7 2013

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Cholecalciferol
Renal Dialysis
Calcium
Calcium Carbonate
Calcitriol
Meals
Population
25-hydroxyvitamin D

All Science Journal Classification (ASJC) codes

  • Nephrology
  • Transplantation
  • Epidemiology
  • Critical Care and Intensive Care Medicine

Cite this

Calcium absorption response to cholecalciferol supplementation in hemodialysis. / Armas, Laura A G; Zena, Mohsen; Lund, Richard; Heaney, Robert P.

In: Clinical journal of the American Society of Nephrology : CJASN, Vol. 8, No. 6, 07.06.2013, p. 1003-1008.

Research output: Contribution to journalArticle

Armas, Laura A G ; Zena, Mohsen ; Lund, Richard ; Heaney, Robert P. / Calcium absorption response to cholecalciferol supplementation in hemodialysis. In: Clinical journal of the American Society of Nephrology : CJASN. 2013 ; Vol. 8, No. 6. pp. 1003-1008.
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