Evaluation of nasopharyngeal microbial flora and antibiogram and its relation to otitis media with effusion

Area of Science:

• Otolaryngology
• Pediatric Infectious Diseases
• Microbiology

Background:

• Acute otitis media and otitis media with effusion (OME) are leading causes of childhood hearing loss.
• Antibiotic therapy is the primary treatment for these conditions.
• Adenoidectomy is a potential treatment option for recurrent or persistent middle ear infections.

Purpose of the Study:

• To compare the bacterial flora and antibiotic sensitivity patterns in the adenoid tissue of children with and without middle ear effusion.
• To inform antibiotic treatment strategies for pediatric otitis media.

Main Methods:

• Adenoid tissue specimens were collected from 72 children undergoing adenoidectomy.
• Patients were divided into two groups based on the presence or absence of middle ear effusion.
• Bacterial cultures were performed, and antibiotic sensitivity testing was conducted for common respiratory pathogens.

Main Results:

• No significant differences in the prevalence of isolated bacteria (e.g., Streptococcus viridans, Staphylococcus aureus, H. influenza, Streptococcus pneumoniae) were found between the groups.
• Antibiotic sensitivity patterns were similar for Amoxicillin-clavulanate, Amoxicillin, Cephalexin, Cefixime, and Azithromycin in both groups.
• Bacteria demonstrated sensitivity to Amoxicillin and Amoxicillin-clavulanate, but resistance to Azithromycin, Cefixime, and Cephalexin.

Conclusions:

• The bacterial flora and antibiotic sensitivity in nasopharyngeal tissues do not significantly differ between children with and without middle ear effusion.
• These findings suggest that common antibiotic regimens may be equally effective for children with or without OME.
• Further research into targeted antibiotic therapies may be warranted.