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Iranian Journal of Microbiology، جلد ۷، شماره ۳، صفحات ۱۲۷-۱۳۵
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چکیده فارسی مقاله
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عنوان انگلیسی Nosocomial Infections: Multicenter surveillance of antimicrobial resistance profile of Staphylococcus aureus and Gram negative rods isolated from blood and other sterile body fluids in Iran
چکیده انگلیسی مقاله Background and Objective: Antibiotic resistance is increasing, especially in healthcare-associated infections causing significant public health concerns worldwide. National information is required to make appropriate policies, update list of essential drugs for treatment, and evaluate the effects of intervention strategies. A nationwide surveillance of antimicrobial resistant bacteria in nosocomial infections was established in Iran in 2008, so that the data obtained through the surveillance would enable us to construct a database. Materials and Methods: Seven major teaching hospitals in Shiraz, Tabriz, Sari, Mashhad, Sanandaj, Ahwaz and Isfahan participated in this study. A total of 858 strains isolated from blood and other sterile body fluids were tested. Identification at the species level was performed with conventional biochemical methods and the API system. Susceptibility tests were done using disk diffusion method. The methicillin-resistance in S. aureus (MRSA) was determined by the oxacillin agar screen plate and respective MIC values were assessed using the E-test strips. The confirmatory disk diffusion methods were applied for phenotypic identification of extended-spectrum β- lactamase (ESBL) production for E. coli and K. pneumoniae , according to CLSI guidelines. Results: Cultivation and re-identification of the strains yielded 858 isolates, consisting of 224 S. aureus , 148 Klebsiella spp., 105 Serratia spp., 146 E. coli , 67 Acinetobacter spp., 38 Enterobacter spp., 95 Pseudomonas spp., 71 P.aeruginosa .35 Stenotrophomonas sp., and 8 other organisms. MRSA was detected in 37.5% of the isolates. No vancomycin-resistant or vancomycin-intermediate resistant S. aureus was detected. With the exception of Acinetobacter and Stenotrophomonas , 85% of the Gram-negative isolates were found to be susceptible in vitro to imipenem. Overall, about 61% of K. pneumoniae and 35% of E. coli isolates were ESBL producing. Conclusion: Multidrug resistant isolates of Gram-negative organisms and methicillin-resistant strains of S. aureus have been detected in many hospitals in this study.
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نویسندگان مقاله بهمن پورعباس | bahman poorabbas
professor alborzi clinical microbiology research center, nemazee hospital, shiraz university of medical sciences, shiraz, ir iran.

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

جلال مردانه | jalal mardaneh
professor alborzi clinical microbiology research center, nemazee hospital, shiraz university of medical sciences, shiraz, ir iran.

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

زهرا رضایی | zahra rezaei
professor alborzi clinical microbiology research center, nemazee hospital, shiraz university of medical sciences, shiraz, ir iran.

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

مهدی کلانی | mehdi kalani
professor alborzi clinical microbiology research center, nemazee hospital, shiraz university of medical sciences, shiraz, ir iran.

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

غلامرضا پولادفر | gholamreza pouladfar
professor alborzi clinical microbiology research center, nemazee hospital, shiraz university of medical sciences, shiraz, ir iran.

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

محمدحسن عالمی | mohammadhasan alami
faculty of medicine, mashhad university of medical sciences, mashhad, ir iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

جعفر سلطانی | jafar soltani
department of pediatrics, faculty of medicine, kurdistan university of medical sciences, sanandaj, ir iran.


احمد شمسی زاده | ahmad shamsi zadeh
infectious diseases and tropical medicine research center, jundishapur university of medical sciences, ahvaz, ir iran.


شهرام عبدلی اسکویی | shahram abdoli oskooi
pediatric health research center, tabriz university of medical sciences, tabriz, ir iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

mohammedjafar صفار | mohammedjafar saffar
mazandaran university of medical sciences, sari, ir iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مازندران (Mazandaran university of medical sciences)

عبدالوهاب البرزی | abdolvahab alborzi
professor alborzi clinical microbiology research center, nemazee hospital, shiraz university of medical sciences, shiraz, ir iran.

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

نشانی اینترنتی http://ijm.tums.ac.ir/index.php/ijm/article/view/812
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