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IP International Journal of Medical Microbiology and Tropical Diseases


Chronic Suppurative Otitis Media (CSOM): Evaluation of fungal and aerobic bacterial agents and antibiotic sensitivity pattern of the bacterial isolates


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Research Article

Author Details : K Pavani*, S Krishnamurthy, Swetha K S, Supriya P S

Volume : 5, Issue : 4, Year : 2019

Article Page : 214-217


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Abstract

Introduction: Chronic suppurative otitis media (CSOM) is an important cause of preventable hearing loss,
particularly in the developing world.
Aim: To determine the microbiological profile of CSOM and determine the antibiotic susceptibility testing
of aerobic bacteria which will be beneficial for appropr iate treatment there by reducing complications.
Methods and Materials: A total of 109 patients with CSOM attending outpatient and admitted inpatient
in ENT department were included in the study. Two pus swabs each for infected ear were collected.
Specimens were subjected to Gram stain and plated on to appropriate culture media to isolate bacterial
and fungal pathogens. Bacterial and Fungal species identification and Antibiotic susceptibility testing of
aerobic bacteria of isolated pathogens was done.
Results: Out of 109 samples cultured there were 70 bacterial and 14 fungal isolates. Most common
aerobic bacterial isolate was Pseudomonas aeruginosa (34.2%) followed by Proteus mirabilis (22.8%) and
Staphylococcus aureus (17%). Among fungal isolate, Aspergillus niger (64.3%) was predominant followed
by Aspergillus flavus (21.4%) and Candida species (14.3%). Amikacin (91.6%) and Ciprofloxacin(87.5%)
showed maximum activity to Pseudomonas aeruginosa. The antibacterial susceptibility pattern of
Staphylococcus aureus revealed 58.3% Methcillin resistant Staphylococcus aureus (MRSA) strains.
Conclusions: Emergence of Pseudomonas aeruginosa as most common aerobic isolate and high incidence
of Methicillin Resistant Staphylococcus aureus in present study indicates the necessity of continuous
evaluation of bacteriological profile and antimicrobial susceptibility testing in all CSOM cases.

Keywords: Chronic suppurative otitis media (CSOM), Methcillin resistant Staphylococcus aureus (MRSA).

Doi : 10.18231/j.ijmmtd.2019.049

How to cite : Pavani K, Krishnamurthy S, Swetha K S, Supriya P S, Chronic Suppurative Otitis Media (CSOM): Evaluation of fungal and aerobic bacterial agents and antibiotic sensitivity pattern of the bacterial isolates. IP Int J Med Microbiol Trop Dis 2019;5(4):214-217

Copyright © 2019 by author(s) and IP Int J Med Microbiol Trop Dis. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (creativecommons.org)