SUSCEPTIBILITY PATTERN OF COMMONLY ISOLATED MICROORGANISMS FROM CHRONIC SUPPURATIVE OTITIS MEDIA

Zakirullah Zakirullah, Israr ud din Khan, Muhammad Ismail Khan

Abstract


Background: The knowledge of the local pattern of infection in chronic suppurative otitis media is essential to enable efficacious treatment for it. The objective of the study was to study the bacterial flora and their antimicrobial susceptibility pattern among isolated pathogens of chronic suppurative otitis media.
Material & Methods: This cross-sectional study was carried out in the Department of ENT, Khyber Teaching Hospital, Peshawar from January 2014 to December 2014. A sample size of 123 patients was selected through consecutive sampling technique. Swabs taken from the ear discharge were subjected to culture and sensitivity tests using modified Kirby Bauer disk diffusion method.
Results: Out of 123 specimens, there were 110 (89.45%) positive cultures for bacteria. The most common causal organisms isolated were Pseudomonas aeruginosa in 35 (31.8%) and Staphylococcus aureus in 32 (29.1%) followed by Proteus species in 16 (14.55%) and Morganella in nine (8.25%) cases. Antibiotic sensitivity pattern of Pseudomonas aeruginosa showed 100% sensitivity to meronem while Staphylococcus aureus were 100% sensitive to vancomycin.
Conclusion: The commonest isolates were Pseudomonas aeruginosa and Staphylococcus aureus in chronic suppurative otitis media patients. Pseudomonas aeruginosa showed 100% sensitivity to meronem while Staphylococcus aureus were 100% sensitive to vancomycin.

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Copyright (c) 2020 Zakirullah Zakirullah, Israr ud din Khan, Muhammad Ismail Khan

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