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Antibiotic-resistant bacteria in pediatric chronic sinusitis.
C L Slack1, K A Dahn, M J Abzug
1Department of Otolaryngology-Head and Neck Surgery, University of Colorado School of Medicine, The Children's Hospital, Denver, USA.
The Pediatric Infectious Disease Journal
|April 17, 2001
Summary
Antibiotic resistance is a significant concern in pediatric chronic sinusitis, with common pathogens like Streptococcus pneumoniae showing high rates of nonsusceptibility to standard antibiotics. This highlights the need for updated treatment guidelines for this condition.
Area of Science:
- Pediatric Otolaryngology
- Microbiology
- Infectious Diseases
Background:
- Limited data exists on bacterial resistance patterns in pediatric chronic sinusitis.
- Chronic sinusitis affects children, necessitating understanding of causative pathogens and their antibiotic susceptibility.
Purpose of the Study:
- To investigate the aerobic microbiology and antibiotic resistance patterns of pediatric chronic sinusitis.
- To identify common bacterial isolates and their susceptibility profiles in children with chronic maxillary sinusitis.
Main Methods:
- Retrospective review of aerobic cultures from pediatric patients with chronic maxillary sinusitis (1995-1998).
- Analysis of 119 children with sinusitis duration >8 weeks, excluding immunodeficiency or cystic fibrosis.
- Identification of bacterial isolates and assessment of antibiotic susceptibility.
Main Results:
- 67% of cultures were positive, yielding 274 isolates, with 88% polymicrobial.
- Most frequent isolates: nontypable Haemophilus influenzae (24%), Streptococcus pneumoniae (19%), Moraxella catarrhalis (17%).
- High nonsusceptibility rates observed: S. pneumoniae (64% penicillin, 40% cefotaxime), H. influenzae (44% ampicillin). All M. catarrhalis were beta-lactamase positive.
Conclusions:
- Pediatric chronic sinusitis involves typical acute sinusitis pathogens and organisms characteristic of chronic disease.
- Antibiotic-resistant bacteria, including multidrug-resistant S. pneumoniae, play a significant role in pediatric chronic sinusitis.
- Findings underscore the need for awareness of antibiotic resistance in managing pediatric chronic sinusitis.