CHARACTERIZATION OF PSEUDOMONAS AERUGINOSA STRAINS ISOLATED FROM BURNED PATIENTS HOSPITALIZED IN A MAJOR BURN CENTER IN TEHRAN, IRAN

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RANJBAR REZA; OWLIA PARVIZ; SADERI HORIEH; MANSOURI SADEGH; JONAIDI JAFARI NEMATOLLAH; IZADI MORTEZA; FARSHAD SHOHREH; ARJOMANDZADEGAN MOHAMMAD

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Journal: ACTA MEDICA IRANICA Year:2011 | Volume:49 | Issue:10 Page(s): 675-679

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Title

CHARACTERIZATION OF PSEUDOMONAS AERUGINOSA STRAINS ISOLATED FROM BURNED PATIENTS HOSPITALIZED IN A MAJOR BURN CENTER IN TEHRAN, IRAN

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Keywords

PSEUDOMONAS AERUGINOSA; ANTIMICROBIAL SUSCEPTIBILITY; PLASMID PROFILES

Abstract

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 Etest 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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APA: Copy

RANJBAR, REZA, OWLIA, PARVIZ, SADERI, HORIEH, MANSOURI, SADEGH, JONAIDI JAFARI, NEMATOLLAH, IZADI, MORTEZA, FARSHAD, SHOHREH, & ARJOMANDZADEGAN, MOHAMMAD. (2011). CHARACTERIZATION OF PSEUDOMONAS AERUGINOSA STRAINS ISOLATED FROM BURNED PATIENTS HOSPITALIZED IN A MAJOR BURN CENTER IN TEHRAN, IRAN. ACTA MEDICA IRANICA, 49(10), 675-679. SID. https://sid.ir/paper/278540/en

Vancouver: Copy

RANJBAR REZA, OWLIA PARVIZ, SADERI HORIEH, MANSOURI SADEGH, JONAIDI JAFARI NEMATOLLAH, IZADI MORTEZA, FARSHAD SHOHREH, ARJOMANDZADEGAN MOHAMMAD. CHARACTERIZATION OF PSEUDOMONAS AERUGINOSA STRAINS ISOLATED FROM BURNED PATIENTS HOSPITALIZED IN A MAJOR BURN CENTER IN TEHRAN, IRAN. ACTA MEDICA IRANICA[Internet]. 2011;49(10):675-679. Available from: https://sid.ir/paper/278540/en

IEEE: Copy

REZA RANJBAR, PARVIZ OWLIA, HORIEH SADERI, SADEGH MANSOURI, NEMATOLLAH JONAIDI JAFARI, MORTEZA IZADI, SHOHREH FARSHAD, and MOHAMMAD ARJOMANDZADEGAN, “CHARACTERIZATION OF PSEUDOMONAS AERUGINOSA STRAINS ISOLATED FROM BURNED PATIENTS HOSPITALIZED IN A MAJOR BURN CENTER IN TEHRAN, IRAN,” ACTA MEDICA IRANICA, vol. 49, no. 10, pp. 675–679, 2011, [Online]. Available: https://sid.ir/paper/278540/en

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