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۱Frequency and Antimicrobial Susceptibility Pattern of Pseudomonas aeruginosa in Ear Swabs
اطلاعات انتشار: World Applied Sciences Journal، سي ام،شماره۷، ۲۰۱۴، سال
تعداد صفحات: ۶
Pseudomonas aeruginosa is a Gram negative, an obligate aerobe bacteria that is found in soil, water and also on plants. P. aeruginosa accounts for a significant proportion of nosocomial infection and are responsible for about 13 % of eye, ear, nose and throat infections. Total of 237 samples of ear swabs were received at Dr. Ziauddin Hospital North Nazimabad (Campus) Karachi. Samples of pus from external auditory canal were taken with sterile cotton swab and are cultured on blood, chocolate and MacConkey agars media and were incubated for 24 to 48 hours. Antibiotic sensitivity was tested and interpreted by method according to CLISI criteria. P. aeruginosa was isolated from 37 samples and rests of 70 samples were positive for different microorganisms. Majority of organisms were sensitive to Meropenem (100%), Ceftazidime (100%), Polymyxin–B (100%) and Colistin (100%). From the current study it was concluded that P. aeruginosa is a potential cause of ear associated infection; we should consider it in every patient with a history of acute and prolong ear discharge. Antibiotic sensitivity should be carried out for such bacteria instead of empirical antibiotic use to reduce treatment failure and resistance.
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