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Urinary tract infections in children and the risk of ESRF
Jeff Round1, Anita C Fitzgerald, Claire Hulme
1Marie Curie Palliative Care Research Unit, University College London, UK. j.round@ucl.ac.uk
Insights
Estimating the risk of end-stage renal failure (ESRF) after a childhood urinary tract infection (UTI) is uncertain. Current data shows a wide range of potential risks, highlighting the need for more research in pediatric nephrology.
Area of Science:
- Pediatric Nephrology
- Infectious Diseases
- Epidemiology
Background:
- Traditional pediatric guidance for urinary tract infections (UTIs) focused on identifying children with vesicoureteral reflux (VUR) to prevent renal scarring.
- The established link between UTIs, subsequent renal scarring, and end-stage renal failure (ESRF) is increasingly questioned.
- Accurate risk assessment for ESRF following a first-time UTI in children is crucial for appropriate management.
Purpose of the Study:
- To determine the predictability of ESRF risk in children following a first-time UTI.
- To analyze the association between childhood UTIs and the risk of developing ESRF.
Main Methods:
- Utilized data from renal registries.
- Employed an analytical approach based on existing risk estimates.
- Demonstrated the range of plausible risk estimates and associated uncertainties.
Main Results:
- Estimates for ESRF risk post-UTI varied widely, from 1/154 to 1/199,900.
- The wide range of risk estimates is highly dependent on data sources and underlying assumptions.
- Significant uncertainty exists in quantifying the risk of ESRF attributable to childhood UTIs.
Conclusions:
- The current data provides considerable uncertainty regarding the relationship between childhood UTIs and the risk of ESRF.
- Further evidence is required to establish a definitive link and refine risk prediction.
- Clinical management of pediatric UTIs and ESRF risk will continue to be guided by consensus and ongoing debate among clinicians.
Aims:
Paediatric guidance on diagnosis and treatment of urinary tract infections (UTIs) has in the past largely focused on identifying children with vesicoureteral reflux, thought to be at greatest risk of renal scarring. This practice has been questioned, specifically the accepted association between UTI and end-stage renal failure (ESRF) through renal scarring. The aim of this article is to ascertain whether we can predict with confidence the true level of risk that a child with a first-time UTI will subsequently develop ESRF attributable to UTI.
Methods:
Using data available from renal registries, an analytical approach based on previous estimates of risk is used to demonstrate the range of plausible estimates of risk that can be generated and levels of uncertainty that surrounds those estimates.
Results:
Estimates of the perceived risk of developing ESRF following UTI range from 1/154 to 1/199,900 and are heavily dependent on the assumptions made and the source of data.
Conclusion:
There is considerable uncertainty in the relationship between childhood UTI and risk of ESRF based on the data currently available. Until further evidence is available, clinicians will continue to debate the risk of UTI and ESRF and consensus opinion will continue to guide management.
Related Concept Videos
Urinary Tract Infection I: Introduction
Urinary Tract Infection II: Pathophysiology
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
Urine Studies II: Urine Culture and Sensitivity Test
Urinary Tract Calculi I: Introduction
Nursing Assessment of the Genitourinary System I: Health History

