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ZJRMS 2011, 13(1): 17-22 Back to browse issues page
Frequency of methicillin resistant Staphylococcus aureus in health care
Somayeh Rahimi-Alang, Mehdi Asmar, Fatemeh Cheraghali, Sara Yazarlou, Abolfazl Amini, Fatemeh Shakeri, Ezzat-Allah Ghaemi
Associate Professor of Microbiology, Research Center of Infection Diseases, Golestan University of Medical Sciences, Gorgan, Iran , eghaemi@yahoo.com
Abstract:   (16071 Views)

  Background : Methicillin resistant Staphylococcus aureus (MRSA) is one of the most important pathogen in hospitals. Healthcare personnel are the main source of nosocomial infections and identification and control of MRSA carriers can reduce incidence of infections. The aim of this study was to determine the prevalence of MRSA and their antibiotic susceptibility profile among healthcare workers in Gorgan.

  Materials and Method : 333 healthcare workers were participated in this cross-sectional study in 2009. Samples were taken with sterile cotton swabs from both anterior nares and hands. Swabs were plated immediately on to the mannitol salt agar. Suspected colonies were confirmed as S. aureus by Gram staining, catalase, coagulase and DNase tests. Minimum inhibition concentration by micro dilution broth method was used to determine methicillin resistant strains. Antimicrobial susceptibility to other antibiotics was performed according to NCCLS guidelines by disc diffusion method.

  Result : Frequency of S.aureus and MRSA carriers among healthcare workers was 24% and 3% respectively. The highest rate of S. aureus and MRSA carriers were observed in operating room staff. Resistance to penicillin was seen in 97.5% of isolates and all strains were sensitive to vancomycin.

  Conclusions : Frequency of S. aureus and MRSA in healthcare workers was median and rather low respectively. Continual monitoring and control of carriers can reduce distribution of this organism and their infections. [ZJRMS, 13(1): 17-22]

  

   

Keywords: Keywords : Staphylococcus aureus, MRSA, health p ersonnel, MIC, disc diffusion
Full-Text [PDF 234 kb]   (4316 Downloads)    
Type of Study: Research | Subject: Microbiology
* Corresponding Author Address: Associate Professor of Microbiology, Research Center of Infection Diseases, Golestan University of Medical Sciences, Gorgan, Iran
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Rahimi-Alang S, Asmar M, Cheraghali F, Yazarlou S, Amini A, Shakeri F et al . Frequency of methicillin resistant Staphylococcus aureus in health care. ZJRMS. 2011; 13 (1) :17-22
URL: http://zjrms.ir/article-1-997-en.html


Volume 13, Issue 1 (Spring 2011) Back to browse issues page
Zahedan Journal of Research in Medical Sciences
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