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Published in: Pediatric Nephrology 2/2016

01-02-2016 | Original Article

Effect of cholecalciferol on local arterial stiffness and endothelial dysfunction in children with chronic kidney disease

Authors: Mehmet Baha Aytaç, Murat Deveci, Kenan Bek, Özlem Kayabey, Zelal Ekinci

Published in: Pediatric Nephrology | Issue 2/2016

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Abstract

Background

As cardiovascular factors are the leading cause of mortality in chronic kidney disease (CKD) and as vitamin D deficiency is prevalent in this population, we aimed to examine the effect of oral cholecalciferol on cardiac parameters and biomarkers for endothelial cell activation in children with CKD.

Methods

Forty-one children with CKD and 24 healthy subjects free of any underlying cardiac or renal disease with low 25-hydroxyvitamin D3 (25OHD) levels were evaluated using echocardiography basally and following Stoss vitamin D supplementation. The local vascular stiffness and endothelial dysfunction markers were compared among the groups.

Results

Initial flow-mediated dilatation (FMD) measurements were lower and local arterial stiffness was significantly higher in patients. After vitamin D supplementation, these improved significantly in patients, while no significant change was observed for the healthy group. Homocysteine showed inverse correlation with baseline vitamin D level in CKD children and von Willebrand factor emerged as an independent risk factor for FMD impairment.

Conclusions

Our interventional study revealed the favorable effects of high-dose cholecalciferol on cardiovascular and endothelial parameters, implying the importance of vitamin D supplementation in children with CKD.
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Metadata
Title
Effect of cholecalciferol on local arterial stiffness and endothelial dysfunction in children with chronic kidney disease
Authors
Mehmet Baha Aytaç
Murat Deveci
Kenan Bek
Özlem Kayabey
Zelal Ekinci
Publication date
01-02-2016
Publisher
Springer Berlin Heidelberg
Published in
Pediatric Nephrology / Issue 2/2016
Print ISSN: 0931-041X
Electronic ISSN: 1432-198X
DOI
https://doi.org/10.1007/s00467-015-3220-5

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