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Outcome of acute otitis media with abnormal tympanometric patterns in children
S M Green1, S G Rothrock, T P Nesper
1Department of Emergency Medicine Loma Linda University Medical Center, CA 92354, USA.
Insights
Emergency department tympanometry cannot predict treatment failure or recurrence in children with acute otitis media. This diagnostic tool is not useful for identifying high-risk patients requiring further intervention.
Area of Science:
- Pediatrics
- Otolaryngology
- Emergency Medicine
Background:
- Acute otitis media (AOM) is a common childhood illness often managed in emergency departments (EDs).
- Identifying children with AOM at risk for poor outcomes like treatment failure or recurrent infections is crucial for effective management.
- Tympanometry, a non-invasive test measuring middle ear function, is sometimes used in the ED setting.
Purpose of the Study:
- To evaluate the predictive value of emergency department (ED) tympanometry in identifying children with acute otitis media (AOM) who are at higher risk for treatment failure, recurrent infections, or persistent middle ear effusion.
Main Methods:
- A prospective observational study involving 117 children (5 months to 5 years) diagnosed with AOM and abnormal tympanometry in EDs.
- Children were categorized into low compliance, high pressure, or low pressure tympanometry groups.
- All received amoxicillin; follow-up included repeat tympanometry and otoscopy at 14 and 60 days to assess outcomes.
Main Results:
- Initial treatment success rates were similar across all tympanometry groups (89%-93%).
- No significant differences were observed in rates of relapse, reinfection, 90-day non-recurrence, or persistent middle ear effusion between the groups.
- ED tympanometry patterns did not correlate with long-term clinical outcomes.
Conclusions:
- Emergency department tympanometry is not effective in predicting treatment failure, recurrent infections, or persistent middle ear effusion in children with acute otitis media.
- The study suggests that tympanometry performed in the ED setting offers limited prognostic value for AOM management.
- Further research may be needed to identify more reliable prognostic indicators for pediatric AOM in the emergency setting.
Objective:
To assess the ability of ED tympanometry to identify those children with acute otitis media who are at greater risk for treatment failure, recurrent infection, or persistent middle ear effusion.
Methods:
A prospective observational study was performed in the EDs of a county hospital and a university medical center. One hundred seventeen children, aged 5 months to 5 years, with acute otitis media and abnormal tympanometric patterns were categorized into three groups--low compliance, high pressure, and low pressure--based on the initial patterns. All the children received oral amoxicillin for ten days. They had repeat tympanometry and otoscopy at 14- and 60-day follow-up visits, and were followed to determine clinical outcomes.
Results:
Initial treatment success was equivalent for all groups: low compliance 93% (95% confidence interval 81%-97%), high pressure 91% (95% CI 71%-98%), low pressure 89% (95% CI 59%-99%). Rates of relapse, reinfection, 90-day non-recurrence, and persistent otoscopic and tympanometric middle ear effusion did not differ significantly between groups.
Conclusion:
ED tympanometry of children with acute otitis media is unable to provide prognostic information regarding treatment failure, recurrent infection, or persistent middle ear effusion.