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A Robust Pneumonia Model in Immunocompetent Rodents to Evaluate Antibacterial Efficacy against S. pneumoniae, H. influenzae, K. pneumoniae, P. aeruginosa or A. baumannii
09:17

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Published on: January 2, 2017

Pharmacokinetics and pharmacodynamics of new and old antimicrobial agents for acute otitis media

J L Blumer1

  • 1Department of Pediatrics, Case Western Reserve University, Rainbow Babies and Childrens Hospital of University Hospitals of Cleveland, OH 44106, USA.

The Pediatric Infectious Disease Journal
|December 16, 1998
PubMed

Insights

Choosing antibiotics for children with acute otitis media (AOM) is complex due to evolving pathogens and resistance. High-dose amoxicillin or ceftriaxone are key for treating resistant Streptococcus pneumoniae infections.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Pharmacology

Background:

  • Antibiotic selection for acute otitis media (AOM) in children presents challenges.
  • Distinguishing AOM from otitis media with effusion can be subtle, complicating diagnosis.
  • Empiric therapy is common, but pathogen identification and antimicrobial susceptibility are dynamic.

Purpose of the Study:

  • To review the challenges in selecting appropriate antibiotic treatment for pediatric AOM.
  • To highlight the changing landscape of primary AOM pathogens and their resistance patterns.
  • To guide rational antibiotic selection based on fundamental therapeutic determinants.

Main Methods:

  • Review of current literature on AOM pathogenesis and antibiotic treatment.
  • Analysis of common pathogens (Streptococcus pneumoniae, Haemophilus influenzae, Moraxella catarrhalis) and their susceptibility.
  • Evaluation of antibiotic efficacy and labeling for AOM.

Main Results:

  • Only high-dose amoxicillin and IV ceftriaxone are reliably effective against penicillin-resistant Streptococcus pneumoniae.
  • Most other antibiotics are beta-lactamase stable and effective against Haemophilus influenzae and Moraxella catarrhalis.
  • Antimicrobial therapy remains the standard of care for AOM in the US despite high spontaneous resolution rates.

Conclusions:

  • Understanding AOM pathogenesis and pathogen susceptibility is crucial for effective antibiotic selection.
  • Rational antibiotic choice should consider pathogen resistance, particularly for Streptococcus pneumoniae.
  • Further recognition of therapeutic determinants can optimize AOM management in children.

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