Volume 65, Number 3 (2 2007)                   Tehran Univ Med J 2007, 65(3): 78-81 | Back to browse issues page


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Hasibi M, Iravani BM. Prevalence of Methicillin and Vancomycin resistant Staphylococcus aureus colonization in nasopharynx Amir-Alam hospital, 2005. Tehran Univ Med J. 2007; 65 (3) :78-81
URL: http://tumj.tums.ac.ir/article-1-823-en.html

Abstract:   (12412 Views)
Background: Staphylococcus aureus is one of the most common causes of nosocomial infections with high morbidity and mortality rate. Traditionally, methicillin resistant staphylococcus aureus has been considered a major nosocomial pathogen in healthcare facilities, but in the past decade, it has been observed emerging in the community as well. Informations regarding hospital microbial colonization could be an important step for prevention of nosocomial infections. Our objective was clarifying the prevalence of methicillin resistant and vancomycin resistant staphylococcus aureus colonization in nasopharynx.
Methods: A descriptive cross sectional study was carried on 106 patients and nursing staff of surgery and hemodialysis wards in Amir-Alam hospital from April 2005 to July 2005. The samples were collected from nasal region of cases using cotton swab by two experienced technician and were sent to laboratory for culture and antibiogram.
Results: Twenty six (29.5%) out of 106 cases were nasopharyngeal carriers of staphylococcus aureus. Eight cases (7.5%) had methicillin resistant staphylococcus aureus. The most frequent colonization rate was seen in hemodialysis nursing staff and in all of them methicillin resistant staphylococcus aureus was reported. Carrier rates in hemodialysis patients were twice compared to surgery ward patients. The interesting point was that no sample of vancomycin resistant staphylococcus aureus was isolated.
Conclusion: Prevalence of methicillin resistant staphylococcus aureus colonization seems to be increased therefore proper management for controlling this problem is mandatory. The results of the present study suggest that the prevalence of methicillin resistant staphylococcus aureus infections is higher than was expected in Iran and vigorous preventive strategies should therefore be taken to stop the growth of this major health problem.
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