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The challenge of recalcitrant acute otitis media: pathogens, resistance, and treatment strategy
1Department of Pediatrics, Pediatric Infectious Disease Unit, Soroka Medical Center and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel. eugenel@bgumail.bgu.ac.il
Abstract:
Recalcitrant acute otitis media (AOM), including 2 well-defined and sometimes related entities (persistent AOM and recurrent AOM), is a common pediatric problem. Episodes of AOM in children with either persistent or recurrent AOM were shown to be associated with recovery of middle ear fluid bacterial pathogens (particularly Streptococcus pneumoniae) with higher resistance to antibiotics compared with children with AOM not recently treated with antibiotics. The relationships between nasopharyngeal carriage of Streptococcus pneumoniae and persistence of middle ear fluid pathogens despite clinical improvement or cure and subsequent recurrence are discussed in depth. The findings emphasize the importance of bacteriologic eradication in the prevention of recurrent AOM episodes.
Insights
Recalcitrant acute otitis media (AOM) in children is linked to antibiotic-resistant bacteria in middle ear fluid. Eradicating these pathogens is key to preventing persistent and recurrent AOM episodes.
Area of Science:
- Pediatrics
- Infectious Diseases
- Microbiology
Background:
- Recalcitrant acute otitis media (AOM), encompassing persistent and recurrent forms, is a significant pediatric health concern.
- Episodes of AOM in children with persistent or recurrent disease often involve bacterial pathogens with increased antibiotic resistance.
Purpose of the Study:
- To investigate the association between antibiotic resistance in middle ear fluid pathogens and recalcitrant AOM.
- To explore the link between nasopharyngeal carriage of Streptococcus pneumoniae, pathogen persistence, and AOM recurrence.
Main Methods:
- Comparative analysis of bacterial pathogens and antibiotic resistance in middle ear fluid from children with different AOM statuses.
- Evaluation of nasopharyngeal carriage of Streptococcus pneumoniae in relation to AOM persistence and recurrence.
Main Results:
- Children with persistent or recurrent AOM showed higher recovery rates of antibiotic-resistant bacterial pathogens, especially Streptococcus pneumoniae, in middle ear fluid compared to controls.
- A correlation was observed between nasopharyngeal carriage of Streptococcus pneumoniae, persistent middle ear infections, and subsequent AOM recurrence.
Conclusions:
- Bacteriologic eradication of middle ear pathogens is crucial for preventing recurrent acute otitis media.
- Understanding the role of nasopharyngeal carriage is important for managing recalcitrant AOM in pediatric populations.
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