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Prevention of Surgical Site Infections: Decontamination With Mupirocin Based on Preoperative Screening for Staphylococcus aureus Carriers or Universal Decontamination?

Hetem, David J ; Bootsma, Martin C. J ; Bonten, Marc J. M ; Weinstein, Robert A

Clinical Infectious Diseases, 2016, Vol. 62(5), pp.631-636 [Periódico revisado por pares]

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  • Título:
    Prevention of Surgical Site Infections: Decontamination With Mupirocin Based on Preoperative Screening for Staphylococcus aureus Carriers or Universal Decontamination?
  • Autor: Hetem, David J ; Bootsma, Martin C. J ; Bonten, Marc J. M ; Weinstein, Robert A
  • Assuntos: Mrsa ; Mupirocin ; Decolonization ; Mupa');}" > Mupa ; Prophylaxis
  • É parte de: Clinical Infectious Diseases, 2016, Vol. 62(5), pp.631-636
  • Descrição: Using a mathematical model and available epidemiological data, we explore the dynamics of mupirocin resistance and identify drivers of emerging resistance, when using a universal decolonization strategy for perioperative Staphylococcus aureus decontamination. Perioperative decolonization of Staphylococcus aureus nasal carriers with mupirocin together with chlorhexidine body washing reduces the incidence of S. aureus surgical site infection. A targeted strategy, applied in S. aureus carriers only, is costly, and implementation may reduce effectiveness. Universal decolonization is more cost-effective but increases exposure of noncarriers to mupirocin and the risk of resistance to mupirocin in staphylococci. High-level mupirocin resistance in S. aureus can emerge through horizontal gene transfer originating from coagulase-negative staphylococci (CoNS) and through clonal transmission. The current evidence on the occurrence of high-level mupirocin resistance in S. aureus and CoNS, in combination with the results of mathematical modeling, strongly suggests that the increased selection of high-level mupirocin resistance in CoNS does not constitute an important risk for high-level mupirocin resistance in S. aureus . Compared with a targeted strategy, universal decolonization seems associated with an equally low risk of mupirocin resistance in S. aureus .

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