Microbiology of retroperitoneal abscesses in children

Area of Science:

• Microbiology
• Pediatric Infectious Diseases
• Surgical Infections

Background:

• Retroperitoneal abscesses are serious infections in children.
• Understanding the microbial etiology is crucial for effective treatment.

Purpose of the Study:

• To characterize the microbial spectrum of retroperitoneal abscesses in pediatric patients.
• To identify predominant aerobic, facultative, and anaerobic bacterial isolates.

Main Methods:

• Analysis of pus samples from 41 children with retroperitoneal abscesses treated between 1974 and 1994.
• Identification and quantification of aerobic, facultative, and anaerobic bacterial isolates.

Main Results:

• A total of 125 organisms were isolated (3.0 isolates/specimen).
• 83% of infections were polymicrobial, involving both aerobic and anaerobic bacteria.
• Predominant aerobic/facultative isolates included Escherichia coli (19) and Staphylococcus aureus (6).
• Predominant anaerobic isolates included Bacteroides spp. (22) and Peptostreptococcus spp. (18).

Conclusions:

• Retroperitoneal abscesses in children are predominantly polymicrobial infections.
• Commonly implicated bacteria include Escherichia coli, Staphylococcus aureus, Bacteroides spp., and Peptostreptococcus spp.
• These findings inform antibiotic selection and management strategies for pediatric retroperitoneal abscesses.