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Updated: Aug 11, 2026

Establishment and Characterization of UTI and CAUTI in a Mouse Model
Published on: June 23, 2015
Bacteriuria and kidney damage
Insights
Early detection and treatment of urinary tract infections (UTI) and vesicoureteric reflux in young children are crucial for preventing chronic kidney damage. Adult treatment is ineffective due to underlying causes.
Area of Science:
- Pediatric Nephrology
- Urology
- Infectious Diseases
Background:
- Chronic pyelonephritis, a kidney disease, often begins in childhood and persists into adulthood.
- Children under 4 with coexisting urinary tract infection (UTI), vesicoureteric reflux, and pyelotubular backflow face a high risk of kidney damage.
- Treating asymptomatic bacteriuria in adults is ineffective as it stems from underlying urinary tract abnormalities.
Purpose of the Study:
- To emphasize the critical window for intervention in preventing kidney damage associated with pediatric urinary tract issues.
- To highlight the inefficacy of adult UTI treatment for preventing established kidney damage.
- To advocate for continued research into early childhood interventions.
Main Methods:
- Review of existing literature and clinical observations on chronic pyelonephritis.
- Analysis of risk factors for kidney damage in young children with UTI and vesicoureteric reflux.
- Discussion of the limitations of treating adult bacteriuria.
Main Results:
- Persistent bacteriuria in adults is a consequence, not the cause, of underlying urinary tract abnormalities.
- Early detection and treatment in childhood offer the primary hope for preventing kidney damage.
- Ongoing controlled trials in the UK are vital for determining the value of childhood treatments.
Conclusions:
- Intervention during early childhood is paramount for preventing kidney damage from bacteriuria and reflux.
- Medical opinion on treatment efficacy should await results from ongoing UK trials.
- Focusing on early detection and treatment in pediatric populations is key to managing chronic pyelonephritis and preventing long-term renal sequelae.
Abstract:
Chronic pyelonephritis is a disease of childhood that is carried on into adult life. Children under the age of 4 in whom UTI, vesicoureteric reflux and pyelotubular backflow coexist appear to be particularly at risk of developing kidney damage. Attempts to prevent kidney damage in adults by detection and treatment of covert UTI are doomed to failure because persistent bacteriuria in the adult is a consequence of underlying abnormality of the urinary tract rather than its cause. Our main hope for the prevention of kidney damage associated with bacteriuria and reflux is to detect and treat these conditions at the earliest possible age. The controlled trials of the value of treatment of bacteriuria and vesicoureteric reflux in childhood that are in progress in various centers in the United Kingdom should be allowed to continue and medical opinion as to the value of such treatments should not be allowed to crystallize before the results of these trials are known.
Related Concept Videos
Urinary Tract Infection I: Introduction
Urinary Tract Infection II: Pathophysiology
Acute Pyelonephritis I: Introduction
Acute Pyelonephritis II: Diagnostic Studies and Management
Acute Kidney Injury II: Pathophysiology
Acute Kidney Injury IV: Diagnostic Studies and Prevention

