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International Urology and Nephrology

, Volume 42, Issue 1, pp 127–131 | Cite as

Metabolic abnormalities in patients with nephrolithiasis: comparison of first-episode with recurrent cases in Southern Iran

  • Mohammad Mehdi Hosseini
  • Ahad EshraghianEmail author
  • Ilnaz Dehghanian
  • Dariush Irani
  • Mitra Amini
Urology - Original Paper

Abstract

Background

Metabolic disorders are one of the etiologic factors in renal stone formation. The aim of present study was to evaluate prevalence of metabolic disorders in patients with renal stone.

Methods

From 572 patients referring to our urologic clinics, 376 patients participated in the study. Patients were divided to first time stone former (group A) and recurrent renal stone (group B). Twenty-four hour urine specimens were obtained for urinary calcium, oxalate, magnesium, citrate, uric acid, phosphor and 24-h urine volume. Venous blood samples were obtained evaluating serum phosphate, uric acid, and calcium. The prevalence of each metabolic disorder was detected, and two groups were compared regarding metabolic disorders.

Results

The prevalence of renal stone in male patients was 63.04% versus 36.96% in female patients (P < 0.05). The most common abnormality observed in patients was low 24-h urine volume (58.24%) followed by hypercalciuria (17.18%) and hyperuricosuria (15.15%). Hyperuricemia was found in 6 first time stone former patients and 14 patients with recurrent renal stone (P = 0.04). There was no statistically significant difference between group A and B in other metabolic abnormalities (P > 0.05).

Conclusion

Low 24-h urine volume was the most common abnormalities in patients with nephrolithiasis in our region. Metabolic evaluation must be performed in all patients with renal stone even those with first time stone formation.

Keywords

Metabolic abnormalities Renal stone First time stone former Recurrent renal stone 

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Copyright information

© Springer Science+Business Media, B.V. 2009

Authors and Affiliations

  • Mohammad Mehdi Hosseini
    • 1
  • Ahad Eshraghian
    • 1
    Email author
  • Ilnaz Dehghanian
    • 1
  • Dariush Irani
    • 1
  • Mitra Amini
    • 2
  1. 1.Endourology Ward, Urology Department, Nephrology-Urology Research CenterShiraz University of Medical ScienceShirazIran
  2. 2.Education Development CenterShiraz University of Medical ScienceShirazIran

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