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Otitis externa - bacteriological survey

R Feinmesser, Y M Wiesel, M Argaman

    ORL; Journal for Oto-Rhino-Laryngology and Its Related Specialties
    |January 1, 1982
    PubMed
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    Bacterial pathogens in otitis externa have shifted over 30 years. Pseudomonas aeruginosa is now the dominant bacterium, replacing Staphylococcus aureus, according to a 1979-1980 Israeli survey.

    Area of Science:

    • Otolaryngology
    • Microbiology
    • Infectious Diseases

    Background:

    • Otitis externa is a common and debilitating condition.
    • The external ear canal provides a favorable environment for bacterial growth.
    • Previous surveys indicated Staphylococcus aureus as the primary pathogen.

    Purpose of the Study:

    • To present bacteriological survey results for otitis externa patients in Israel (1979-1980).
    • To analyze changes in dominant bacterial pathogens over time.
    • To explore potential causative factors for otitis externa.

    Main Methods:

    • Bacteriological analysis of ear discharge from otitis externa patients.
    • Comparison of findings with historical data from the USA and Israel.
    • Statistical analysis to identify potential risk factors.

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    Main Results:

    • Pseudomonas aeruginosa identified as the dominant pathogen in 1979-1980.
    • Shift in dominant pathogen from Staphylococcus aureus to Pseudomonas aeruginosa noted over 30 years.
    • Discussion on the implications of changing microbial landscape in otitis externa.

    Conclusions:

    • The etiological profile of otitis externa has evolved.
    • Pseudomonas aeruginosa is a significant pathogen in contemporary otitis externa.
    • Further research is needed to identify specific causative factors and guide treatment strategies.