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Retrospective study of children with renal scarring associated with reflux and urinary infection
J M Smellie1, A Poulton, N P Prescod
1Department of Paediatric Nephrology, Hospital for Sick Children, London.
Insights
Prompt diagnosis and management of urinary tract infections (UTIs) in children can significantly reduce the risk of severe renal scarring. Early intervention is crucial for preventing long-term kidney damage in pediatric patients.
Area of Science:
- Pediatric Nephrology
- Urology
- Infectious Diseases
Background:
- Bilateral renal scarring and severe vesicoureteric reflux in children are significant clinical concerns.
- Understanding the impact of early management on preventing renal scarring is essential for pediatric kidney health.
Purpose of the Study:
- To review histories of children with bilateral renal scarring and severe vesicoureteric reflux.
- To determine if improved early management can reduce the risk of renal scarring.
Main Methods:
- Retrospective study involving medical records and parental discussions.
- Analysis of 52 children (aged 1-12 years) with symptomatic urinary tract infections.
- Inclusion of children undergoing comparison of medical and surgical management.
Main Results:
- Delays in diagnosis, imaging, or treatment of urinary tract infections were observed in 50 out of 52 children.
- Severity of renal scarring was significantly correlated with delayed diagnosis (P = 0.01).
- Inadequate prophylaxis and delayed investigations were common findings.
Conclusions:
- Rapid diagnosis and effective early management of urinary tract infections in infants and children are critical for reducing renal scarring.
- Proactive investigation of siblings and offspring of patients with known reflux nephropathy is recommended.
- Enhanced focus on early detection and intervention can mitigate long-term kidney damage.
Objective:
To review the histories of children with bilateral renal scarring and severe vesicoureteric reflux to determine whether an improvement in early management might reduce the risk of scarring.
Design:
Retrospective study of medical records and discussion with parents.
Setting:
Outpatient departments of two teaching hospitals.
Patients:
52 children aged 1-12 years participating in a randomised comparison of medical and surgical management. All had a history of symptomatic urinary tract infection. Two thirds presented with fever and two with hypertension or renal failure. In only one out of 32 children examined by antenatal ultrasonography was an abnormality suspected.
Results:
There was delay in diagnosis or appropriate imaging or effective treatment of urinary infection in 50 of the 52 children. In 41 there was delay in diagnosis; there was delay in treating a confirmed infection in 45; no antibacterial prophylaxis was prescribed before imaging in 28; and investigation of the urinary tract was delayed in 33. The severity of scarring was significantly related to delay in diagnosis (chi 2 for trend 7.43, P = 0.01). Four children of mothers known to have reflux nephropathy were not investigated until they developed urinary tract infection.
Conclusions:
Efforts to reduce the incidence and severity of renal scarring should be directed towards rapid diagnosis and effective early management of urinary tract infection in infancy and childhood. Siblings and offspring of known patients with severe reflux nephropathy should be investigated for reflux.