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 ORIGINAL ARTICLE
Year : 2019  |  Volume : 29  |  Issue : 4  |  Page : 282-287

Methicillin-Resistant staphylococcus aureus carriage in hemodialysis vicinity: Prevalence and decolonization approach


1 Nephrology Unit, Department of Internal Medicine, Faculty of Medicine, Menoufia University, Menoufia, Egypt
2 Department of Medical Microbiology and Immunology, Faculty of Medicine, Menoufia University, Menoufia, Egypt

Correspondence Address:
Dr. Khaled M. A. Elzorkany
Department of Internal Medicine, Nephrology Unit, Faculty of Medicine, Menoufia University, Shebein El Kom, Menoufia
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijn.IJN_56_18

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Hemodialysis (HD) patients are at risk for developing serious infections. Methicillin- resistant Staphylococcus aureus (MRSA) is one of the most prevalent pathogens in healthcare facilities with a major threat to the medical community. We aimed to determine the prevalence of MRSA colonization among patients and medical staff members in a HD Unit and determine efficacy of mupirocin as a decolonizing agent. This cross-sectional study enrolled 250 patients and 35 health care providers of a HD unit. Nasal and hand swabs were collected to assess the prevalence of MRSA carriage. Those exhibiting MRSA phenotype were subjected to conventional Polymerase chain reaction (PCR) assay for detection of mecA gene. Colonized patients and medical personnel with MRSA were prescribed mupirocin ointment (2%) for decolonization. The screening approach identified 54/285 (18.9%) nasal MRSA carriers (41/250 of HD patients and 13/35 of the medical staff members). Concomitant extranasal MRSA colonization of the hands was observed in 10 (18.5%) of these 54 MRSA carriers. In relation to PCR results the sensitivity, specificity, and diagnostic accuracy of cefoxitin disk test were 98.2%, 75%, and 93.9% respectively and for MRSA Select II agar screening method, the sensitivity, specificity, and diagnostic accuracy were 92.6%, 66.7%, and 87.9% respectively. Decolonization approach using mupirocin ointment revealed an overall success rate up to 77.8% (42/54) and failure rate of 16.7% (9/54), while 5.6% (3/54) of decolonized carriers showed recolonization. There is still high prevalence of MRSA colonization in HD vicinity. Implementation of strict infection control measures is essential in dialysis units to avoid MRSA cross-transmission and invasive infections.






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Indian Journal of Nephrology
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Online since 20th Sept '07