eISSN: 2345-2781  
Submitted: 23 May 2017

Accepted: 20 Sep 2017
First published online: 10 Nov 2017
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J Renal Inj Prev. 2018;7(2):78-83.
doi: 10.15171/jrip.2018.19

Scopus id: 85044734610

Original

The effect of serum levels of vitamin D in stone recurrencein patients with urinary tract stone

Feramarz Mohammadalibeigi 1, Majid Shirani 1 * , Mahsa Motamedi 1

1 Department of Urology, Shahrekord University of Medical Sciences, Shahrekord, Iran
Corresponding author: Majid Shirani Email: majd_uro@yahoo.com

Abstract

Introduction: The role of vitamin D in kidney stone disease and its effect on stone formation is still controversial.

Objectives: To find out the possible role of 25(OH) D3 as an intrinsic factor in urinary calcium stone formers (SFs; individuals with one episode during the last 5 years and individuals with more than one episode during the last 5 years), we investigated the effect of serum levels of vitamin D on recurrence of urinary stones in SFs and control subjects (non-SFs).

Patients and Methods: A total of 30 patients with first episode of urolithiasis (group A) and 30 patients with more than one episode of urolithiasis during the last 5 years (group B) aged 18 or older enrolled in this study and underwent metabolic evaluation including the measurement of serum level of 25(OH)D3, parathyroid hormone (PTH), calcium and uric acid. Thirty age and sex-matched patients who had never urinary stone episode (non-SFs) were considered as control group. The patients in this study were selected among those admitted in Urology Department of Kashani hospital during the last year. Individuals excluded from the study were subjects with hyperparathyroidism or with the previous history of hyperparathyroidism.

Results: Mean level of 25(OH) D3 was positively correlated with recurrent stone (mean 19.89 ± 7.6 in the control group versus 47.21 ± 19.77 in the group with the recurrent stone disease). The recurrent stone group (SFs) had the higher serum level of 25(OH) D3 than the control. No correlation was observed between the serum levels of PTH and 25(OH) D3 (r = 0. 13, P = 0.11) in both control and urinary SFs group.

Conclusion: High serum level of vitamin D has an important effect on the pathogenesis of repeated urolithiasis. High serum levels of 25(OH) D3 were detected in the group with recurrent kidney stone disease. But it seems there was no relation between serum level of vitamin D3 and one episode of urolithiasis. Based on the results of this study, the high level of vitamin D3 may have a significant role in inducing the recurrence of urinary stone.

Please cite this paper as: Mohammadalibeigi F, Shirani M, Motamedi M. The effect of serum levels of vitamin D in stone recurrencein patients with urinary tract stone. J Renal Inj Prev. 2018;7(2):78-83. DOI: 10.15171/jrip.2018.19.
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