[Urinary tract infections and urolithiasis]

Problemy Medycyny Wieku Rozwojowego
|January 1, 1983
PubMed

Insights

Urinary tract infections are a significant cause of urolithiasis in children, with Proteus species being a common culprit. Recurrent infections were frequently linked to Pseudomonas aeruginosa and Klebsiella species.

Area of Science:

  • Pediatric Nephrology
  • Urology
  • Microbiology

Background:

  • Urolithiasis in children presents unique etiological challenges.
  • Understanding the causes and associated infections is crucial for effective management.

Purpose of the Study:

  • To analyze the causes of urolithiasis in pediatric patients.
  • To investigate the prevalence and types of urinary tract infections (UTIs) associated with childhood urolithiasis.

Main Methods:

  • Retrospective analysis of 100 pediatric urolithiasis cases treated between 1976-1979.
  • Bacteriological investigations of urine samples at diagnosis and during follow-up.
  • Bacteriological analysis of removed stones in select cases.

Main Results:

  • Infection-induced stones were the most common cause (31%), followed by metabolic (26%) and idiopathic oxalic lithiasis (17%).
  • Urinary tract infections were detected in 57.4% of children at diagnosis, with Proteus sp. being the most frequent pathogen.
  • During a 3-year follow-up, recurrent UTIs were common, with Pseudomonas aeruginosa, Klebsiella sp., Proteus sp., and E. coli being the predominant bacteria.

Conclusions:

  • Infection is a primary driver of pediatric urolithiasis.
  • Effective management requires addressing both stone disease and underlying/recurrent urinary tract infections.
  • Bacteriological analysis of stones can be valuable in identifying infectious etiologies.

Related Concept Videos

Urinary Tract Infection I: Introduction01:26

Urinary Tract Infection I: Introduction

Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
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 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 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 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...