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Related Concept Videos

Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

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)...
Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

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...
Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

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,...
Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

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...
Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

AssessmentSubjective Data: Obtain a detailed health history, including any recent or chronic urinary tract infections, periods of immobilization, previous episodes of renal calculi, and medical conditions such as gout, benign prostatic hyperplasia, or hyperparathyroidism. Review the medication history for drugs that may influence stone formation, including allopurinol, analgesics, loop diuretics, or thiazide diuretics. Document the use of long-term indwelling catheters and any past surgical...

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Updated: Jun 19, 2026

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
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Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Temporary risk identification in urolithiasis.

Y M Fazil Marickar1, Abiya Salim

  • 1Department of Surgery, Zensa Hospital, Trivandrum, 695009, India. fazilmarickar@hotmail.com

Urological Research
|October 16, 2009
PubMed
Summary
This summary is machine-generated.

A new temporary risk index for urolithiasis (urinary stones) correlates with long-term risk, enabling personalized treatment adjustments for better patient outcomes.

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Published on: February 9, 2021

Area of Science:

  • Nephrology
  • Urology
  • Medical Diagnostics

Background:

  • Existing urolithiasis risk indices have limitations in predicting individual stone recurrence.
  • Patient stone problem frequency is not uniform despite similar risk indices.
  • Dietary and lifestyle modifications can alter many risk factors.

Purpose of the Study:

  • To calculate a temporary risk index for urolithiasis at each patient visit.
  • To correlate this temporary index with stone activity during specific periods.
  • To guide personalized advice on drugs, diet, and lifestyle changes.

Main Methods:

  • Developed a temporary risk index based on 13 parameters: 4 symptoms (pain, hematuria, burning sensation, dysuria), ultrasonography findings (back pressure), and 8 urine deposit findings (RBCs, pus cells, crystals, aggregation).
  • Each parameter scored 0-5, yielding a total score from 0-65.
  • Studied 100 patients over 500 visits, correlating temporary risk scores with a previously established permanent clinical risk score.

Main Results:

  • Temporary risk scores ranged from 0-43 out of 65 across 500 visits.
  • Risk scores significantly decreased from visit 1 to visit 5.
  • A positive correlation (r=+0.39, P<0.01) was found between the mean temporary risk index and the permanent risk index.

Conclusions:

  • The temporary risk index is correlatable with the permanent risk index for urinary stone formers.
  • This index can scientifically predict future stone formation.
  • Chemotherapeutic regimes and drug dosages should be based on the temporary risk index, discouraging blind prescription.