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Urinary tract infections: evaluation and treatment
1Division of Pediatric Nephrology, AU India Institute of Medical Sciences, Ansari Nagar, New Delhi. arvindbagga@hotmail.com
Insights
Urinary tract infections (UTI) in children can lead to kidney scarring, especially in those under two. Early diagnosis and treatment, confirmed by urine culture, are crucial to prevent long-term renal damage.
Area of Science:
- Pediatrics
- Infectious Diseases
- Nephrology
Background:
- Urinary tract infections (UTI) are a common bacterial infection in children, second only to respiratory infections.
- UTIs pose risks for acute illness and long-term renal scarring, particularly in young children.
- Classical UTI symptoms are often absent in infants, who may present only with fever.
Purpose of the Study:
- To highlight the significance of UTIs in pediatric populations.
- To identify key risk factors for renal scarring associated with UTIs.
- To emphasize the importance of accurate diagnosis and appropriate management of pediatric UTIs.
Main Methods:
- Review of clinical presentation and diagnostic challenges of UTIs in children.
- Identification of risk factors for renal scarring.
- Discussion of diagnostic and therapeutic strategies for pediatric UTIs.
Main Results:
- UTI occurrence under two years, delayed treatment, and vesicoureteric reflux/obstruction are major risk factors for renal scarring.
- Young children often exhibit non-specific symptoms like fever, complicating early diagnosis.
- Empiric treatment based solely on symptoms or urinalysis is discouraged.
Conclusions:
- Accurate diagnosis of UTI requires urine culture before initiating antibiotic therapy.
- Distinguishing upper from lower UTIs influences treatment, guided by age and clinical severity.
- All children diagnosed with UTI require investigation for underlying urinary tract anomalies.
Abstract:
Urinary tract infections (UTI) are the second most common bacterial infection in children after those of the respiratory tract. These infections are important in view of their acute morbidity and the long-term risk of renal scarring. Occurrence of UTI below two years of age, delay in starting treatment and presence of vesicoureteric reflux or obstruction are the chief risk factors associated with renal scarring. The classical features of UTI are absent in young children, who often present with few signs or symptoms other than fever. Since the diagnosis of UTI warrants a thorough evaluation subsequently, empiric treatment based on symptoms or urinalysis alone should be avoided. Therapy with appropriate antibiotics is started only after obtaining a urine culture. The distinction between upper and lower urinary tract infections is difficult and the choice of therapy guided by the patient's age and severity of clinical manifestations. All children with UTI should be investigated to identify those with an underlying urinary tract anomaly.