Frequency of methicillin resistant Staphylococcus aureus in health care

Somayeh Rahimi-Alang; Mehdi Asmar; Fatemeh Cheraghali; Sarah Yazarlou; Abolfazl Amini; Fatemeh Shakeri; Ezzatollah Ghaemi

Zahedan Journal of Research in Medical Sciences

The Official Journal of Zahedan University of Medical Sciences

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Frequency of methicillin resistant Staphylococcus aureus in health care

Author(s):

Somayeh Rahimi-Alang¹,

Mehdi Asmar²,

Fatemeh Cheraghali³,

Sarah Yazarlou⁴,

Abolfazl Amini¹,

Fatemeh Shakeri¹,

Ezzatollah Ghaemi^5,*

1MSc of Microbiology, School of Sciences, Islamic Azad University of Lahijan, Lahijan, Iran.

2Professor of parasitology, Islamic Azad University of Lahijan, Lahijan, Iran.

3Assistant professor of pediatric infectious diseases, Research center of infectious diseases, Golestan University of Medical Sciences, Gorgan, Iran.

4BSc of Microbiology, Research Center of Infectious Diseases, Golestan University of Medical Sciences, Gorgan, Iran.

5Associate Professor of Microbiology, Research Center of Infection Diseases, Golestan University of Medical Sciences, Gorgan, Iran.

Zahedan Journal of Research in Medical Sciences:Vol. 13, issue 1; e94081

Published online:Sep 20, 2010

Article type:Research Article

Received:Apr 14, 2010

Accepted:Jun 01, 2010

How to Cite:Somayeh Rahimi-AlangMehdi AsmarFatemeh CheraghaliSarah YazarlouAbolfazl AminiFatemeh ShakeriEzzatollah Ghaemiet al.Frequency of methicillin resistant Staphylococcus aureus in health care.Zahedan J Res Med Sci.13(1):e94081.

Abstract

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

Keywords

Staphylococcus aureus

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