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Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
Published on: February 9, 2021
Calcium oxalate stone and gout
1Department of Surgery, Zensa Hospital, Trivandrum, 695009, India. fazilmarickar@hotmail.com
Urological Research
|September 26, 2009
Summary
Gout patients show higher levels of stone-forming substances like uric acid and calcium, increasing their risk for calcium oxalate stones. Metabolic changes likely link gout to urinary stone formation.
Area of Science:
- Nephrology
- Metabolic Disorders
- Urology
Background:
- Gout is characterized by elevated blood uric acid levels.
- Urinary stone disease is a common complication with various metabolic origins.
- The relationship between gout and calcium oxalate stone formation requires further investigation.
Purpose of the Study:
- To investigate the association between gout and the formation of calcium oxalate stones in humans.
- To compare biochemical parameters in patients with gout and concurrent or separate stone conditions.
Main Methods:
- Biochemical analysis of serum and 24-hour urine samples from 259 participants.
- Groups included patients with gout and calcium oxalate stones, gout and uric acid stones, gout alone, calcium oxalate stones without gout, and controls.
- Statistical analysis using ANOVA and Duncan's multiple-range tests.
Main Results:
- Significantly higher levels of stone promoters (serum calcium, phosphorus, uric acid; urine calcium, uric acid, oxalate) were observed in gouty patients.
- Urine oxalate levels were highest in gouty patients with calcium oxalate or uric acid stones.
- Urine citrate, an inhibitor, was significantly lower in gouty patients.
- Serum uric acid was highest in gouty patients without stones.
Conclusions:
- Elevated uric acid and calcium levels in gouty patients contribute to urinary stone formation.
- A correlation likely exists between gout and calcium oxalate urinary stones, potentially mediated by uric acid metabolism.
- Metabolic alterations in gout patients play a role in the development of urinary stone disease.
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