Sensitivity of surveillance cultures for the detection of methicillin-resistant Staphylococcus aureus in a nursing-home-care unit

David L. Sewell, Susan A. Potter, Cleone M. Jacobson, Larry J. Strausbaugh, Thomas T. Ward

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

This study compared the sensitivity of nasal culture alone versus multiple-site cultures and single versus duplicate sampling for the detection of methicillin-resistant Staphylococcus aureus (MRSA)-colonized individuals in a nursing-home population. Repeat culture of 68 specimens collected from 35 colonized subjects yielded identical results for 57 specimens, (84%), and 89% of the colonized residents (31 of 35) were identified by the first culture of multiple sites. A single nares culture detected 27 (77%) of 35 (first screen) and 29 (83%) of 35 (second screen) residents colonized with MRSA at any site. The most cost-effective screening would consist of a nasal culture only or combined with a gastrostomy tube site, if applicable. To identify all colonized individuals, however, it would be necessary to culture more than one specimen from multiple sites on each resident.

Original languageEnglish (US)
Pages (from-to)53-56
Number of pages4
JournalDiagnostic Microbiology and Infectious Disease
Volume17
Issue number1
DOIs
StatePublished - Jul 1993

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases

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