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Bacteriological study in chronic maxillary sinusitis.

W Y Su, C Liu, S Y Hung

    The Laryngoscope
    |July 1, 1983
    PubMed
    Summary
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    Anaerobic bacteria are the primary cause of chronic maxillary sinusitis, invading the sinus after the ostium seals. Normal sinus flora may become pathogenic when the sinus becomes inflamed.

    Area of Science:

    • Otolaryngology
    • Microbiology
    • Infectious Diseases

    Background:

    • Chronic maxillary sinusitis (CMS) is a common condition with complex etiology.
    • Understanding the role of bacterial pathogens in CMS is crucial for effective treatment.

    Purpose of the Study:

    • To compare bacterial findings from different specimen types in CMS patients.
    • To identify the predominant bacterial pathogens involved in CMS.

    Main Methods:

    • Intraoperative collection of three simultaneous specimen types from 73 inflamed maxillary sinuses and 7 non-inflamed sinuses.
    • Comparison of bacterial characteristics and culture results between inflamed and control sinuses.
    • Statistical analysis to determine the significance of aerobic and anaerobic bacteria.

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    Main Results:

    • Intraoperative antral mucosa culture provided the most reliable bacterial findings for CMS.
    • Anaerobic bacteria were absent in non-inflamed sinus mucosa but prevalent in inflamed sinuses.
    • Veillonella sp., Peptococcus sp., and Propionibacterium acne were the predominant anaerobes identified.

    Conclusions:

    • Anaerobic bacteria are the most significant pathogens in chronic maxillary sinusitis, likely invading via lymphatic or venous systems after ostial occlusion.
    • Normal aerobic and facultative bacteria residing in healthy sinus mucosa can become pathogenic and contribute to sinusitis following ostial occlusion.