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Related Concept Videos

Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

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Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
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Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

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Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...
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Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
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Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

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Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
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Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

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Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
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Drug Dosing in Renal Diseases: Measurement of Glomerular Filtration Rate01:25

Drug Dosing in Renal Diseases: Measurement of Glomerular Filtration Rate

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The glomerular filtration rate (GFR) is a critical indicator of kidney health, reflecting how well the kidneys filter blood. Changes in GFR can signal potential kidney impairment, necessitating accurate measurement methods to monitor kidney function effectively.Various molecules can serve as markers for GFR measurement, with the ideal marker meeting several specific criteria. It must freely filter at the glomerulus, avoid reabsorption or secretion by the renal tubules, remain unmetabolized, not...
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Quantitative SERS Detection of Uric Acid via Formation of Precise Plasmonic Nanojunctions within Aggregates of Gold Nanoparticles and Cucurbit[n]uril
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Hyperuricemia and renal risk.

Francesca Viazzi1, Giovanna Leoncini, Elena Ratto

  • 1University of Genoa and IRCCS Azienda Ospedaliera Universitaria San Martino, IST Istituto Nazionale per la ricerca sul Cancro, Viale Benedetto XV 6, 16132, Genoa, Italy.

High Blood Pressure & Cardiovascular Prevention : the Official Journal of the Italian Society of Hypertension
|February 1, 2014
PubMed
Summary
This summary is machine-generated.

Mild hyperuricemia (elevated serum uric acid) is linked to chronic kidney disease complications. Research suggests uric acid may harm kidneys, but its independent role in disease progression requires further investigation.

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Area of Science:

  • Nephrology
  • Metabolic Diseases
  • Cardiovascular Health

Background:

  • Asymptomatic mild hyperuricemia is associated with chronic kidney disease (CKD) comorbidities like hypertension and insulin resistance.
  • Experimental data suggests serum uric acid (SUA) may contribute to renal damage via cellular and tissue mechanisms.
  • A link between SUA levels and renal morbidity is increasingly recognized.

Purpose of the Study:

  • To review evidence supporting and refuting an independent role for SUA in the pathogenesis of renal disease.
  • To explore the association between asymptomatic mild hyperuricemia and CKD.

Main Methods:

  • Literature review of experimental studies and epidemiological data.
  • Analysis of evidence on the pathogenetic mechanisms of SUA in renal damage.
  • Evaluation of the relationship between changes in SUA over time and renal morbidity.

Main Results:

  • Experimental studies indicate potential direct and indirect renal damage from SUA.
  • Growing evidence suggests a correlation between SUA fluctuations and renal morbidity.
  • No current consensus exists on the efficacy of urate-lowering therapy for CKD prevention.

Conclusions:

  • While SUA's role in renal disease pathogenesis is debated, evidence suggests a link.
  • Further research is needed to clarify the independent contribution of SUA to CKD progression.
  • The potential benefit of urate-lowering therapy for renal protection remains uncertain.