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Calcium balance in normal individuals and in patients with chronic kidney disease on low and high calcium diets
Calcium balance in chronic kidney disease is poorly understood since its deficiency is a stimulus for secondary hyperparathyroidism and consequent bone loss while calcium excess promotes extra-osseous calcifications. To help resolve this, we evaluated calcium balance in normal individuals and in pat...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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2012
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3352985/ https://www.ncbi.nlm.nih.gov/pubmed/22297674 http://dx.doi.org/10.1038/ki.2011.490 |
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author | Spiegel, David M. Brady, Kate |
author_facet | Spiegel, David M. Brady, Kate |
author_sort | Spiegel, David M. |
collection | PubMed |
description | Calcium balance in chronic kidney disease is poorly understood since its deficiency is a stimulus for secondary hyperparathyroidism and consequent bone loss while calcium excess promotes extra-osseous calcifications. To help resolve this, we evaluated calcium balance in normal individuals and in patients with chronic kidney disease (CKD) on daily diets containing 800 and 2000 mg elemental calcium. Both normal individuals and patients with late stage 3 and stage 4 CKD were in slightly negative to neutral calcium balance on the 800 mg calcium diet. Normal individuals were in modest positive calcium balance on the 2000 mg diet while patients with CKD on the same diet were in marked positive calcium balance at least over the 9 days of study; and significantly greater than the normal individuals. Increased calcium intake significantly decreased 1,25 dihydroxy-vitamin D and intact parathyroid hormone levels but did not alter the serum calcium concentration. Thus, our finding have important implications for both preventing calcium deficiency and loading in individuals with late stage 3 and stage 4 CKD. |
format | Online Article Text |
id | pubmed-3352985 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2012 |
record_format | MEDLINE/PubMed |
spelling | pubmed-33529852012-12-01 Calcium balance in normal individuals and in patients with chronic kidney disease on low and high calcium diets Spiegel, David M. Brady, Kate Kidney Int Article Calcium balance in chronic kidney disease is poorly understood since its deficiency is a stimulus for secondary hyperparathyroidism and consequent bone loss while calcium excess promotes extra-osseous calcifications. To help resolve this, we evaluated calcium balance in normal individuals and in patients with chronic kidney disease (CKD) on daily diets containing 800 and 2000 mg elemental calcium. Both normal individuals and patients with late stage 3 and stage 4 CKD were in slightly negative to neutral calcium balance on the 800 mg calcium diet. Normal individuals were in modest positive calcium balance on the 2000 mg diet while patients with CKD on the same diet were in marked positive calcium balance at least over the 9 days of study; and significantly greater than the normal individuals. Increased calcium intake significantly decreased 1,25 dihydroxy-vitamin D and intact parathyroid hormone levels but did not alter the serum calcium concentration. Thus, our finding have important implications for both preventing calcium deficiency and loading in individuals with late stage 3 and stage 4 CKD. 2012-02-01 2012-06 /pmc/articles/PMC3352985/ /pubmed/22297674 http://dx.doi.org/10.1038/ki.2011.490 Text en http://www.nature.com/authors/editorial_policies/license.html#terms Users may view, print, copy, and download text and data-mine the content in such documents, for the purposes of academic research, subject always to the full Conditions of use:http://www.nature.com/authors/editorial_policies/license.html#terms |
spellingShingle | Article Spiegel, David M. Brady, Kate Calcium balance in normal individuals and in patients with chronic kidney disease on low and high calcium diets |
title | Calcium balance in normal individuals and in patients with chronic kidney disease on low and high calcium diets |
title_full | Calcium balance in normal individuals and in patients with chronic kidney disease on low and high calcium diets |
title_fullStr | Calcium balance in normal individuals and in patients with chronic kidney disease on low and high calcium diets |
title_full_unstemmed | Calcium balance in normal individuals and in patients with chronic kidney disease on low and high calcium diets |
title_short | Calcium balance in normal individuals and in patients with chronic kidney disease on low and high calcium diets |
title_sort | calcium balance in normal individuals and in patients with chronic kidney disease on low and high calcium diets |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3352985/ https://www.ncbi.nlm.nih.gov/pubmed/22297674 http://dx.doi.org/10.1038/ki.2011.490 |
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