Related Experiment Videos
[Bacteriological study of chronic paranasal sinusitis].
Summary
Chronic sinusitis bacteria, primarily Streptococcus and Staphylococcus, show decreasing sensitivity to older antibiotics like ampicillin and tetracycline over ten years. Cephalosporins remain effective against these common Gram-positive pathogens.
Area of Science:
- Microbiology
- Infectious Diseases
- Otolaryngology
Context:
- Chronic sinusitis affects a significant patient population.
- Understanding the microbial landscape and antibiotic resistance patterns is crucial for effective treatment.
- This study analyzes data from a decade of patient treatment at Kaohsiung Medical College Hospital.
Purpose:
- To analyze the bacterial flora and antibiotic sensitivity in patients with chronic sinusitis.
- To compare current findings with data from ten years prior.
- To inform clinical practice regarding antibiotic selection for chronic sinusitis.
Summary:
- Analysis of 533 maxillary sinuses revealed Streptococcus sp. (38.4%) as the most common bacteria, followed by Staphylococcus epidermidis (25.4%) and Staphylococcus aureus (5.9%).
- Gram-positive bacteria constituted 70% of isolates. Antibiotic susceptibility testing showed cephalosporins as most effective against Streptococci and Staphylococci, while ampicillin and tetracycline effectiveness has declined.
- Gram-negative bacteria showed stable susceptibility patterns, with sensitivity to colistin and newer aminoglycosides.
Impact:
- Provides an updated ten-year analysis of bacterial flora and antibiotic sensitivity in chronic sinusitis.
- Highlights the decreasing efficacy of certain antibiotics, guiding more appropriate treatment choices.
- Contributes to the long-term understanding of antimicrobial resistance trends in sinusitis pathogens.