The study of preoperative application of Mupirocin ointment in carriers of nasal MRSA to prevent postoperative MRSA infection

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To identify the bacteriological characteristics of MRSA that was not eliminated following the application of MUP, we compared the bacteriological properties of strains isolated in cases when MUP application succeeded and failed in eliminating. All the strains that were successfully eliminated were sensitive to MUP. Of the failed elimination strains, 3 had low resistance to MUP and 21 were sensitive to MUP. Of the successful elimination strains, 13 had no biofilm production ability and 1 had biofilm production ability. There were many strains in which elimination failed regardless of the MIC sensitivity to MUP.