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Updated: May 23, 2026
07:45
Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
Published on: February 9, 2021
Biochemical evaluation in renal stone disease.
Corrado Vitale1, Emanuele Croppi, Martino Marangella
1S.C. Nefrologia e Dialisi, Azienda Ospedaliera Ordine Mauriziano, Turin, Italy.
Summary
Metabolic evaluation is crucial for diagnosing renal stone disease, assessing stone promoters/inhibitors, and guiding treatment. Extensive testing is recommended for active stone disease or specific risk factors.
Area of Science:
- Nephrology
- Metabolic Medicine
- Urology
Background:
- Renal stone disease arises from urine biochemistry derangements or anatomical abnormalities.
- Genetic, environmental, and dietary factors contribute to nephrolithiasis pathophysiology.
- Metabolic evaluation is key for understanding stone formation and related systemic diseases.
Purpose of the Study:
- To outline the comprehensive metabolic evaluation for renal stone disease.
- To differentiate between extensive and simplified protocols based on disease activity and risk factors.
- To guide therapeutic approaches and monitor treatment compliance.
Main Methods:
- First-level screening assesses urinary supersaturation and dietary metabolites.
- Blood tests include urea, creatinine, electrolytes, calcium, magnesium, and phosphate.
- Urine tests analyze 24-hour and fasting samples for various stone promoters, inhibitors, and metabolites.
Main Results:
- Extensive evaluation is recommended for active stone disease or specific risk factors like family history or childhood onset.
- Simplified protocols suffice for non-active cases or single stones without risk factors.
- Further tests like calciotropic hormones and bone markers are indicated for abnormal bone turnover.
Conclusions:
- A tailored metabolic evaluation is essential for effective renal stone disease management.
- Identifying stone promoters, inhibitors, and underlying conditions optimizes therapeutic strategies.
- Monitoring patient compliance through metabolic investigations ensures treatment efficacy.
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