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Intrarenal Injection of Escherichia coli in a Rat Model of Pyelonephritis
Published on: July 18, 2017
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Pediatric renal abscesses: A contemporary series
Brian J Linder1, Candace F Granberg1
1Department of Urology, Mayo Clinic, Rochester, MN 55905, USA.
Journal of Pediatric Urology
|November 3, 2015
Summary
Pediatric renal abscesses are often small and linked to E. coli urinary tract infections (UTIs). Most small abscesses resolve with conservative antibiotic treatment, while larger ones may need percutaneous drainage.
Area of Science:
- Pediatric Nephrology
- Infectious Diseases
- Urology
Background:
- Pediatric renal abscesses are rare, with limited data on treatment effectiveness.
- Management strategies are often based on adult studies, recommending conservative care for lesions under 3 cm.
Purpose of the Study:
- To evaluate the presentation, management, and outcomes of pediatric renal abscesses.
- To compare treatment modalities for pediatric renal abscesses.
Main Methods:
- Retrospective review of 16 pediatric patients with renal abscesses (1990-2012).
- Data collected included symptoms, abscess size, management strategy, and outcomes.
- Diagnosis confirmed via imaging (ultrasound or CT).
Main Results:
- Most patients (81%) were female, with a median age of 13 years.
- Abscesses were primarily secondary to urinary tract infections (81%), most commonly caused by E. coli.
- Small abscesses (≤3 cm) showed a 100% success rate with conservative management (antibiotics).
- Larger abscesses (>3 cm) were successfully treated with percutaneous drainage.
Conclusions:
- Pediatric renal abscesses are typically small and associated with E. coli UTIs.
- Conservative management is effective for small renal abscesses (≤3 cm).
- Percutaneous drainage is indicated for larger lesions (>3 cm) or in critically ill, immunocompromised, or persistently febrile patients.
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