Prevalence of SCC mec Type IV in Nosocomial Bloodstream Isolates of Methicillin-Resistant Staphylococcus aureus

Author:

Trindade Priscila de A.1,Pacheco Renata L.1,Costa Silvia F.1,Rossi Flavia2,Barone Antonio A.1,Mamizuka Elsa M.3,Levin Anna S.1

Affiliation:

1. Departments of Infectious Diseases and Hospital Infection Control, LIM 54, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil

2. LIM 03, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil

3. Department of Clinical Analyses, Faculdade de Ciências Farmacêuticas, University of São Paulo, São Paulo, Brazil

Abstract

ABSTRACT Over a period of 7 months, 151 consecutive methicillin-resistant Staphylococcus aureus blood isolates were evaluated. None was community acquired. Twenty (13%) were susceptible to four or more antimicrobials, and 95% of these isolates were identified as SCC mec type IV. Molecular typing demonstrated four patterns, with one predominant pattern. Although usually community acquired, SCC mec type IV in our setting is clearly nosocomial.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

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