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Acta Medica Iranica، جلد ۴۹، شماره ۱۰، صفحات ۶۷۵-۶۷۹
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عنوان انگلیسی Characterization of Pseudomonas aeruginosa Strains Isolated from Burned Patients Hospitalized in a Major Burn Center in Tehran, Iran
چکیده انگلیسی مقاله Pseudomonas aeruginosa is an important life-threatening nosocomial pathogen and plays a prominent role in serious infections in burned patients. The current study was undertaken to characterize P. aeruginosa strains isolated from burned patients in Tehran, Iran. The study was conducted in a major burn center in Tehran, Iran in 2007. A total of seventy specimens obtained from different clinical origin with positive culture results for P. aeruginosa were included in the study. Antimicrobial susceptibility test was performed according to the standard CLSI guideline. The relationship between the strains was also determined using antimicrobial drug resistance pattern analysis and plasmid profiling. All strains were multi drug resistant. The percentage of resistance to tested antibiotics was: imipenem 97.5%, amikacin 90%, piperacillin 87.5%, ceftizoxime 72.7%, gentamicin 67.5%, ciprofloxacin 65%, ceftriaxone 60%, and ceftazidime 57.5%. Thirteen resistant phenotypes were recognized, R3 (TET, IPM, AMK, CIP, PIP, GM, CAZ, CRO, CT) was the predominant resistance pattern seen in 27.5% of isolates. Results obtained from E-test showed that 100% of P. aeruginosa strains were resistant to cefoxitin, 97% to cefotetan, 93% to ticarcillin, 89% to ticarcillin/clav, 76% to gentamicin and imipenem, 63% to piperacillin, 49% to tetracycline, and 20% to meropenem. Nine different plasmid profiles were observed among the strains. The current study showed an increase rate of resistance for some antibiotics tested among P. aeruginosa strains isolated from burned patients in Tehran. A combination of antibiotic susceptibility testing and profile plasmid analysis, which are relatively cheap and available methods, showed to be useful to characterize the clinical strains of P. aeruginosa isolated from burned patients in Iran.
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نویسندگان مقاله رضا رنجبر | reza ranjbar
molecular biology research center, baqiyatallah university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی بقیه الله (Baqiyatallah university of medical sciences)

پرویز اولیا | parviz owlia
department of microbiology, faculty of medicine, shahed university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه شاهد (Shahed university)

horie صادری | horie saderi
department of microbiology, faculty of medicine, shahed university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه شاهد (Shahed university)

صادق منصوری | sadegh mansouri
department of microbiology, faculty of medicine, shahed university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه شاهد (Shahed university)

نعمت اله جنیدی جعفری | nematollah jonaidi jafari
health research center, baqiyatallah university of medical sciences, tehran, iran,

سازمان اصلی تایید شده: دانشگاه علوم پزشکی بقیه الله (Baqiyatallah university of medical sciences)

مرتضی ایزدی | morteza izadi
health research center, baqiyatallah university of medical sciences, tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی بقیه الله (Baqiyatallah university of medical sciences)

شهره فرشاد | shohreh farshad
professor alborzi clinical microbilogy research center, shiraz university of medical sciences, shiraz, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (Shiraz university of medical sciences)

محمد ارجمندزادگان | mohammad arjomandzadegan
tuberculosis and pediatric infectious diseases research center, arak university of medical sciences, arak, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اراک (Arak university of medical sciences)

نشانی اینترنتی http://acta.tums.ac.ir/index.php/acta/article/view/3817
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