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[Metabolic changes in 2612 patients with nephrolithiasis].

E del Valle1, R Spivacow, J R Zanchetta

  • 1Instituto de Investigaciones Metabólicas, Buenos Aires, Argentina. idim@idim.com.ar

Medicina
|February 23, 2000
PubMed
Summary

Nephrolithiasis, or kidney stones, affects many. Biochemical analysis of 2612 patients revealed that 92.8% had urinary abnormalities, guiding personalized treatment for stone prevention.

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Area of Science:

  • Urology
  • Nephrology
  • Biochemistry

Context:

  • Nephrolithiasis is a common urinary tract pathology with a 4% prevalence in Buenos Aires.
  • Biochemical and physiological disturbances contribute to kidney stone formation.
  • Ambulatory evaluation of 2612 patients was conducted to update nephrolithiasis classification.

Purpose:

  • To update the classification of nephrolithiasis through ambulatory evaluation.
  • To identify and categorize biochemical abnormalities associated with kidney stone formation.

Summary:

  • Abnormal urinary biochemistry was found in 92.8% of 2612 nephrolithiasis patients, categorized into 15 types.
  • Idiopathic hypercalciuria (31.2%) was the most common abnormality, followed by hyperuricosuria (9.4%) and gouty diathesis (5.4%).
  • Concurrent abnormalities were frequent, with hypercalciuria, hyperuricosuria, and hypocitraturia being a prevalent association (12%).

Impact:

  • Highlights the critical role of biochemical evaluation in diagnosing metabolic abnormalities in kidney stone formers.
  • Emphasizes the necessity of specific therapies based on biochemical findings to prevent stone recurrence.
  • Provides updated insights into the biochemical landscape of nephrolithiasis for improved patient management.

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