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Anaerobic bacteria in maxillary sinusitis.

C Lundberg, C Carenfelt, S Engquist

    Scandinavian Journal of Infectious Diseases. Supplementum
    |January 1, 1979
    PubMed
    Summary
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    This study identified anaerobic bacteria in sinusitis, finding anaerobic cocci to be most common. Most isolated bacteria were susceptible to common antibiotics like benzylpenicillin and metronidazole.

    Area of Science:

    • Microbiology
    • Infectious Diseases
    • Otolaryngology

    Background:

    • Purulent maxillary sinusitis is often associated with bacterial infections.
    • The role of anaerobic bacteria in chronic or recurrent sinusitis requires further elucidation.
    • Understanding the microbial landscape is crucial for effective treatment strategies.

    Purpose of the Study:

    • To investigate the anaerobic bacterial flora in patients with purulent maxillary sinusitis.
    • To identify the predominant anaerobic species.
    • To determine the antibiotic susceptibility patterns of these isolates.

    Main Methods:

    • Bacterial cultures were performed on samples from 30 patients with purulent maxillary sinusitis.
    • Anaerobic bacteria were isolated and identified using standard microbiological techniques.

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  • Antibiotic susceptibility testing was conducted on the identified anaerobic strains.

    • Main Results:

    • Anaerobic cocci were the most frequently identified bacteria.
    • Other isolated anaerobes included non-sporeforming Gram-positive rods and Gram-negative rods (excluding Bacteroides fragilis).
    • A high susceptibility rate was observed for benzylpenicillin, cefoxitin, clindamycin, doxycycline, metronidazole, and chloramphenicol.

    Conclusions:

    • Anaerobic bacteria, particularly anaerobic cocci, are significant components of the microbial flora in purulent maxillary sinusitis.
    • The identified anaerobic isolates demonstrate susceptibility to several key antibiotics, guiding potential therapeutic choices.
    • These findings support the inclusion of anaerobic coverage in antibiotic regimens for maxillary sinusitis.