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[Otorrhea on transtympanic aerator]
M Essaadi1, M François, P Mariani
1Service ORL, hôpital Robert-Debré, Paris, France.
Background:
Purulent otorrhea is the most common complication of tympanostomy tubes.
Population And Methods:
Results of culture of otorrhea in 33 consecutive cases were compared to two similar studies performed 4 and 8 years ago in the same institution.
Results:
The most frequent organisms were Pseudomonas aeruginosa, Haemophilus influenzae, Staphylococcus aureus and Streptococcus pneumoniae (45, 24, 21 and 15% of the cases, respectively). Such flora resembles that of external otitis and chronic otitis media (P aeruginosa and S pneumoniae).
Conclusion:
Sensitivity of the organisms encountered in these otorrheas favors the use of topical drops rather than oral antibiotics as the first choice of treatment.
Insights
Purulent otorrhea, a common complication of tympanostomy tubes, is often caused by Pseudomonas aeruginosa and Staphylococcus aureus. Topical antibiotic drops are recommended over oral antibiotics for treating these infections.
Area of Science:
- Otolaryngology
- Microbiology
Background:
- Purulent otorrhea is the most frequent complication following tympanostomy tube insertion.
- Understanding the causative pathogens is crucial for effective management.
Observation:
- A study analyzed otorrhea cultures from 33 patients with tympanostomy tubes.
- Compared findings with historical data from the same institution.
Findings:
- Pseudomonas aeruginosa (45%) was the predominant organism, followed by Haemophilus influenzae (24%), Staphylococcus aureus (21%), and Streptococcus pneumoniae (15%).
- The isolated microbial flora is similar to that found in external otitis and chronic otitis media.
Implications:
- The sensitivity patterns suggest topical antibiotic drops are a more appropriate first-line treatment than oral antibiotics.
- This approach may help preserve the efficacy of systemic antibiotics for more severe infections.