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Related Experiment Videos

Alloiococcus otitidis in acute otitis media.

Kimmo Leskinen1, Panu Hendolin, Anni Virolainen-Julkunen

  • 1Department of Otolaryngology, Helsinki University Central Hospital, University of Helsinki, Haartmaninkatu 4E, P.O. Box 220, Helsinki, HUCH 00029, Finland. kimmo.leskinen@hus.fi

International Journal of Pediatric Otorhinolaryngology
|December 23, 2003
PubMed
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Alloiococcus otitidis is detected in 25% of acute otitis media (AOM) cases in children over two years old. This bacterium does not appear to significantly impact AOM clinical outcomes or the risk of developing otitis media with effusion (OME).

Area of Science:

  • Microbiology
  • Pediatric Infectious Diseases

Background:

  • Alloiococcus otitidis is linked to otitis media with effusion (OME).
  • Culture methods show low detection rates for A. otitidis, while polymerase chain reaction (PCR) offers higher sensitivity.

Purpose of the Study:

  • To determine the incidence of A. otitidis in children diagnosed with acute otitis media (AOM).

Main Methods:

  • Multiplex PCR was employed to detect A. otitidis, Haemophilus influenzae, Moraxella catarrhalis, and Streptococcus pneumoniae in middle ear effusions (MEEs).
  • The study involved 118 children with AOM, comparing clinical outcomes with bacterial findings in MEEs.

Main Results:

  • A. otitidis was identified in 25% (30/118) of MEE samples.
  • Detection was significantly higher in children over two years old (37%) compared to younger children (14%).

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  • No significant differences were observed in AOM duration, treatment failure, or recurrence rates between A. otitidis-positive and negative groups.

    • Conclusions:

    • A. otitidis is present in the middle ear effusions of children with AOM.
    • The findings suggest A. otitidis has no significant clinical role in AOM.
    • It does not appear to elevate the risk of subsequent OME development.