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Microbial Etiologies of Otitis Media with Resistance Pattern in a Tertiary Care Hospital in North India

Kajal Gupta1, Dakshina Bisht2, Suneel Bhooshan3

  • 1Department of Microbiology, RKDF MCH & RC Bhopal, Bhopal, MP India.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|August 28, 2023
PubMed
Abstract

Insights

This study identified common bacteria and fungi in ear infections like Acute Otitis Media (AOM) and Chronic Otitis Media (COM). Fluoroquinolones showed the highest effectiveness against these microbes, suggesting targeted antibiotic use can combat resistance.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Otolaryngology

Background:

  • Otitis Media (OM), encompassing Acute Otitis Media (AOM) and Chronic Otitis Media (COM), is a common condition often associated with microbial infections.
  • Understanding the specific bacterial and fungal pathogens and their antibiotic sensitivities is crucial for effective treatment and managing antimicrobial resistance.

Purpose of the Study:

  • To determine the prevalent bacterial and fungal species causing OM, AOM, and COM.
  • To assess the antibiotic sensitivity patterns of isolated microorganisms in a hospital setting.

Main Methods:

  • Cultured microbial flora from ear discharge swabs of 150 clinically diagnosed OM patients.
  • Performed drug susceptibility testing using the Kirby-Bauer disc diffusion method.

Main Results:

  • Streptococcus spp. were most frequently isolated in AOM, while Staphylococcus aureus was dominant in COM.
  • Candida albicans was the predominant fungal isolate.
  • Organisms exhibited maximum sensitivity to Fluoroquinolones.

Conclusions:

  • Accurate diagnosis of ear infections is essential for appropriate treatment.
  • Judicious antibiotic prescription is key to reducing the burden of antibiotic resistance.
Keywords:
Acute Otitis Media (AOM)Antimicrobial susceptibility testing (AST)Chronic Otitis Media (COM)Otitis Media

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