Microbiologic data are lacking regarding pediatric community-acquired peritonitis (CAP).
We conducted a 2-year retrospective single center study. Consecutive children undergoing CAP surgery were included. Microbiology and antimicrobial susceptibility of peritoneal isolates were analyzed.
A total of 70 children from 3 months to 14 years of age were included. A total of 123 bacterial isolates were analyzed. Escherichia coli was the predominant aerobic organism (51% of isolates); 54.8% were susceptible to amoxicillin whereas 90.3% were susceptible to amoxicillin-clavulanate. Anaerobes accounted for 29% of isolates, and 94.3% of strains were susceptible to amoxicillin-clavulanate and 68.5% were susceptible to clindamycin. Pseudomonas aeruginosa was present in 6% of isolates and in 10% of children. The presence of E. coli resistant to amoxicillin or to amoxicillin-clavulanate was the only independent risk factor associated with postoperative peritonitis.
Microbiology of pediatric CAP is similar to adult CAP with a predominancy of E. coli and anaerobes. P. aeruginosa in peritoneal samples had no apparent influence on the outcome.
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From the *CHU Nantes, Pôle Anesthésie-Réanimation, Service d'Anesthésie-Réanimation, Nantes, France; †CHU Nantes, Pôle de Biologie, laboratoire de Microbiologie, Nantes, France; ‡Université de Nantes, Faculté de médecine, Laboratoire UPRES EA 3826, Thérapeutiques cliniques et expérimentales des infections, Nantes, France; §CHU Nantes, Pôle Médecine-Oncologie-Hématologie, Service de médecine, Nantes, France; ¶CHU Nantes, Pôle Mère-enfant, Service de Chirurgie Infantile, Nantes, France; and ∥Pôle Mère-enfant, Service de Réanimation Pédiatrique et Néonatale, Nantes, France.
Accepted for publication June 25, 2010.
Supported by institutional and department sources.
Address for correspondence: Karim Asehnoune, MD, PhD, CHU de Nantes, Service d'Anesthésie-Réanimation, 1 place Alexis Ricordeau 44093 Nantes Cedex 1, France. E-mail: firstname.lastname@example.org.
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