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The Microbiology of Community-acquired Peritonitis in Children

Romain Dumont1, Raphaël Cinotti, Corinne Lejus

  • 1CHU Nantes, Pôle Anesthésie-Réanimation, Service d'Anesthésie-Réanimation, Nantes, France.

The Pediatric Infectious Disease Journal
|July 29, 2010
PubMed

Insights

Pediatric community-acquired peritonitis (CAP) primarily involves Escherichia coli and anaerobes, similar to adults. Amoxicillin-clavulanate shows good susceptibility, but amoxicillin resistance in E. coli is a risk factor for postoperative peritonitis.

Area of Science:

  • Pediatric Infectious Diseases
  • Microbiology
  • Surgical Infections

Background:

  • Limited microbiologic data exists for pediatric community-acquired peritonitis (CAP).
  • Understanding the causative pathogens and their antimicrobial susceptibility is crucial for effective treatment.

Purpose of the Study:

  • To analyze the microbiologic spectrum and antimicrobial susceptibility patterns of pathogens causing pediatric CAP.
  • To identify risk factors associated with postoperative peritonitis in children.

Main Methods:

  • A 2-year retrospective single-center study included children undergoing surgery for CAP.
  • Microbiologic cultures and antimicrobial susceptibility testing of peritoneal isolates were performed.
  • Statistical analysis identified independent risk factors for postoperative peritonitis.

Main Results:

  • Escherichia coli was the predominant aerobic isolate (51%), with 54.8% susceptible to amoxicillin and 90.3% to amoxicillin-clavulanate.
  • Anaerobes constituted 29% of isolates, showing high susceptibility to amoxicillin-clavulanate (94.3%).
  • Amoxicillin or amoxicillin-clavulanate resistant E. coli was the sole independent risk factor for postoperative peritonitis.

Conclusions:

  • The microbiology of pediatric CAP mirrors adult CAP, with a predominance of E. coli and anaerobes.
  • Amoxicillin-clavulanate is effective against common pediatric CAP pathogens.
  • Antibiotic resistance in E. coli is a significant risk factor for adverse outcomes in pediatric CAP.
Abstract

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