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Pathogenic organisms in chronic suppurative otitis media in Enugu, Nigeria

A O Ibekwe, J I Okafor

    Tropical and Geographical Medicine
    |December 1, 1983
    PubMed

    Insights

    Chronic suppurative otitis media is often caused by Pseudomonas aeruginosa (46%) and Staphylococcus aureus (29%). Staphylococcus aureus was most common in children, and the role of fungi was also examined.

    Area of Science:

    • Microbiology
    • Infectious Diseases
    • Otolaryngology

    Background:

    • Chronic suppurative otitis media (CSOM) is a persistent middle ear infection.
    • Identifying causative pathogens is crucial for effective treatment and management of CSOM.

    Purpose of the Study:

    • To identify the spectrum of pathogenic organisms responsible for chronic suppurative otitis media in a cohort of 62 patients.
    • To determine the prevalence of specific bacteria and fungi in CSOM cases.
    • To investigate potential differences in microbial etiology between pediatric and adult CSOM patients.

    Main Methods:

    • Microbiological culture and identification of samples from 62 patients diagnosed with chronic suppurative otitis media.
    • Analysis of bacterial and fungal isolates to determine their prevalence.
    • Stratification of results based on patient age, particularly focusing on children.

    Main Results:

    • Pseudomonas aeruginosa was the most frequently isolated bacterium (46%).
    • Staphylococcus aureus was the second most common pathogen (29%) and the predominant organism in pediatric cases.
    • Other identified pathogens included Proteus mirabilis (13%), Streptococcus pyogenes (6%), Aspergillus niger (5%), and Mucor sp. (2%).

    Conclusions:

    • Pseudomonas aeruginosa and Staphylococcus aureus are the primary bacterial pathogens in chronic suppurative otitis media.
    • Staphylococcus aureus holds a significant role in pediatric CSOM.
    • The study highlights the presence of fungal pathogens, such as Aspergillus niger and Mucor sp., in a subset of CSOM cases, warranting further investigation into their clinical significance.

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