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Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis
Published on: February 9, 2021
Dyslipidemia and kidney stone risk
Fabio Cesar Miranda Torricelli1, Shubha K De2, Surafel Gebreselassie3
1Cleveland Clinic, Cleveland, Ohio.
The Journal of Urology
|September 24, 2013
Summary
Dyslipidemia, or abnormal blood lipids, is linked to kidney stone formation. Specific lipid profile changes correlate with unique urine abnormalities and increased stone risk, independent of metabolic syndrome factors.
Area of Science:
- Nephrology
- Metabolic Medicine
- Urology
Background:
- Dyslipidemia is a common metabolic disorder.
- Kidney stones (nephrolithiasis) are a significant health concern.
- The relationship between lipid profiles and urine composition in stone formers requires further elucidation.
Purpose of the Study:
- To investigate the impact of dyslipidemia on 24-hour urinalysis parameters.
- To determine the association between dyslipidemia and kidney stone composition.
Main Methods:
- Retrospective analysis of 2,442 nephrolithiasis patients.
- Evaluation of 24-hour urinalysis and lipid profiles (total cholesterol, HDL, non-HDL, triglycerides).
- Multivariate analysis and linear regression to control for confounders (age, gender, BMI, diabetes, hypertension).
Main Results:
- High total cholesterol correlated with increased urinary potassium and calcium.
- Low HDL or high triglycerides associated with higher urinary sodium, oxalate, uric acid, and lower pH.
- High non-HDL linked to increased urinary sodium and uric acid; high cholesterol and triglycerides associated with higher uric acid stone rates.
Conclusions:
- Dyslipidemia is independently associated with kidney stone risk, irrespective of diabetes or obesity.
- Specific lipid abnormalities predict distinct changes in urine chemistry and stone risk.
- Understanding these links can inform targeted prevention and management strategies for kidney stones.
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