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J Microsc Ultrastruct. 2018 Oct-Dec;6(4):188-191. doi: 10.4103/JMAU.JMAU_33_18.

Prevalence of Methicillin-Resistant Staphylococcus aureus in Hospitals in Chittagong, Bangladesh: A Threat of Nosocomial Infection.

Author information

1
Department of Microbiology, Noakhali Science and Technology University, Noakhali, Bangladesh.
2
Department of Biotechnology and Genetic Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh.

Abstract

Background:

As a life threatening infectious disease, methicillin resistant Staphylococcus aureus (MRSA) infection has been turned into a global health concern recently. In a developing country like Bangladesh, the situation is vulnerable because of inadequate and inappropriate practices of control measures to prevent the spread of nosocomial infection.

Materials and Methods:

In this study, 100 clinical, nonclinical, and environmental samples were collected from different hospitals in Bangladesh and examined for the detection of methicillin resistant and multidrug resistant S. aureus by cultural methods. Antibiotic sensitivity pattern of isolates was also evaluated by Kirby-Bauer disc diffusion method.

Results:

Out of the total 100 samples, 66 isolates of S. aureus were determined. Among them, 53 isolates (80.30%) revealed a positive result for oxacillin test, but avoiding any false result, 53 oxacillin positive isolates were again examined by cefoxitin, whereas 43 isolates (65.15%) were resistant to cefoxitin and consequently confirmed as MRSA and rest of the 23 isolates (34.85%) were fixed as methicillin sensitive S. aureus. In antibiotic sensitivity test, S. aureus showed the highest (83%) resistance to gentamycin, oxacillin and cefotaxime than other antibiotics. Finally, the risk practices were assessed which are potential factors for spreading infections.

Conclusion:

Since, MRSA as well as other antibiotic resistant S. aureus are potent threat to human, therefore, we should consider it as a great concern to minimize or prevent the prevalence and adverse effects of MRSA.

KEYWORDS:

Azithromycin; cefoxitin; methicillin-resistant Staphylococcus aureus; oxacillin

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