Recurrent methicillin-resistant Staphylococcus aureus cutaneous abscesses and the selection of reduced chlorhexidine susceptibility during chlorhexidine use.

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Recurrent methicillin-resistant Staphylococcus aureus cutaneous abscesses and the selection of reduced chlorhexidine susceptibility during chlorhexidine use.

J Clin Microbiol. 2015 Aug 19;

Authors: Johnson RC, Schlett CD, Crawford K, Lanier JB, Merrell DS, Ellis MW

Abstract
We describe the selection of reduced chlorhexidine susceptibility during chlorhexidine use in a patient with two episodes of cutaneous USA300 methicillin-resistant Staphylococcus aureus (MRSA) abscess. The second clinical isolate harbors a novel plasmid that encodes the QacA efflux pump. Greater use of chlorhexidine for disease prevention warrants surveillance for resistance.

PMID: 26292295 [PubMed - as supplied by publisher]