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Chlamydia pneumoniae in children with otitis media
M Storgaard1, L Ostergaard, J S Jensen
1Department of Medicine and Infectious Diseases, Marselisborg Hospital, University of Aarhus, Denmark.
Abstract:
In this study the polymerase chain reaction was used to test for the presence of Chlamydia pneumoniae DNA in 118 middle-ear aspirates from 20 children with acute otitis media (AOM) and 53 children with otitis media with effusion (OME). C. pneumoniae was detected in 8 samples obtained from 5 children with OME and, together with Streptococcus pneumoniae, in a sample from 1 child with AOM. The mean age of these five children (6.6 +/- 1.4 years) was significantly higher than that of the 48 children with OME in whom C. pneumoniae could not be detected (4.3 +/- 1.9 years). The presence of C. pneumoniae in 9.4% of the examined children with OME suggests that C. pneumoniae might be a significant supplementary factor in the etiology of this common children's disease.
Insights
Chlamydia pneumoniae DNA was detected in children with otitis media with effusion (OME). This finding suggests C. pneumoniae may be a contributing factor in this common childhood ear infection.
Area of Science:
- Microbiology
- Pediatrics
- Infectious Diseases
Background:
- Otitis media, a common childhood illness, encompasses acute otitis media (AOM) and otitis media with effusion (OME).
- The specific etiological agents contributing to OME remain an area of active research.
- Chlamydia pneumoniae is a known respiratory pathogen with a potential role in various infections.
Purpose of the Study:
- To investigate the presence of Chlamydia pneumoniae DNA in middle-ear aspirates of children diagnosed with AOM and OME.
- To determine if C. pneumoniae plays a role in the development of otitis media in pediatric patients.
Main Methods:
- Polymerase chain reaction (PCR) was employed to detect Chlamydia pneumoniae DNA.
- Middle-ear aspirates were collected from 118 children: 20 with AOM and 53 with OME.
- Samples were analyzed for the presence of C. pneumoniae DNA.
Main Results:
- Chlamydia pneumoniae DNA was detected in 8 samples from 5 children with OME (9.4% prevalence).
- C. pneumoniae was also found with Streptococcus pneumoniae in one sample from a child with AOM.
- Children with C. pneumoniae in OME samples were significantly older (mean age 6.6 years) than those without (mean age 4.3 years).
Conclusions:
- The detection of Chlamydia pneumoniae in a subset of children with otitis media with effusion suggests its potential role as a supplementary etiological factor.
- Further research is warranted to elucidate the precise contribution of C. pneumoniae to the pathogenesis of OME.
- These findings highlight the importance of considering C. pneumoniae in the differential diagnosis and management of pediatric otitis media.