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[Enterocolitis, antimicrobials and hemolytic-uremic syndrome in children: Review of a concept]

Patricio Herrera1, Carlos Valenzuela, Marcos Skarmeta

  • 1Campus Norte, Departamento de Pediatría, Facultad de Medicina, Universidad de Chile, Santiago, Chile.

Revista Chilena De Infectologia : Organo Oficial De La Sociedad Chilena De Infectologia
|October 26, 2012
PubMed

Insights

Antibiotic use in children with Escherichia coli O157:H7 enterocolitis does not appear to increase Hemolytic-Uremic Syndrome (HUS) risk. Evidence contradicts earlier findings, suggesting treatment decisions should consider local data.

Area of Science:

  • Pediatric Infectious Diseases
  • Microbiology
  • Nephrology

Context:

  • Escherichia coli O157:H7 (E. coli O157:H7) infection in children can lead to Hemolytic-Uremic Syndrome (HUS).
  • Previous recommendations suggested withholding antibiotics until E. coli O157:H7 infection is ruled out due to potential HUS risk.
  • This has created clinical uncertainty regarding antibiotic use.

Purpose:

  • To review existing evidence on the relationship between antibiotic treatment and Hemolytic-Uremic Syndrome (HUS) in pediatric E. coli O157:H7 infections.
  • To evaluate the validity of the proposed antibiotic proscription in managing these cases.

Summary:

  • A literature review (1999-2011) analyzed studies on E. coli O157:H7, antibiotics, and HUS in children.
  • Included were one randomized controlled trial, three cohort studies, one case-control study, and one meta-analysis.
  • Five studies contradicted earlier findings suggesting increased HUS risk with antibiotics, showing no such association despite adequate statistical power.

Impact:

  • The findings challenge the generalization of previous recommendations against antibiotic use in pediatric E. coli O157:H7 enterocolitis.
  • Current evidence suggests that the risk of HUS associated with antibiotic treatment is not consistently demonstrated.
  • Clinical decisions regarding antibiotic use should be guided by local epidemiological data and specific patient factors rather than a blanket proscription.
Abstract

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