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Illicit drug use and risk for USA300 methicillin-resistant Staphylococcus aureus infections with bacteremia
Journal article   Open access   Peer reviewed

Illicit drug use and risk for USA300 methicillin-resistant Staphylococcus aureus infections with bacteremia

Kristen M Kreisel, J Kristie Johnson, O Colin Stine, Michelle D Shardell, Eli N Perencevich, Alan J Lesse, Fred M Gordin, Michael W Climo and Mary Claire Roghmann
Emerging infectious diseases, Vol.16(9), pp.1419-1427
09/2010
DOI: 10.3201/eid1609.091802
PMCID: PMC3294968
PMID: 20735927
url
https://doi.org/10.3201/eid1609.091802View
Published (Version of record) Open Access

Abstract

To assess the association of illicit drug use and USA300 methicillin-resistant Staphylococcus aureus (MRSA) bacteremia, a multicenter study was conducted at 4 Veterans Affairs medical centers during 2004-2008. The study showed that users of illicit drugs were more likely to have USA300 MRSA bacteremia (in contrast to bacteremia caused by other S. aureus strains) than were patients who did not use illicit drugs (adjusted relative risk 3.0; 95% confidence interval 1.9-4.4). The association of illicit drug use with USA300 MRSA bacteremia decreased over time (p = 0.23 for trend). Notably, the proportion of patients with USA300 MRSA bacteremia who did not use illicit drugs increased over time. This finding suggests that this strain has spread from users of illicit drugs to other populations.
Molecular Epidemiology Epidemics United States - epidemiology Cross Infection - etiology Humans Middle Aged Methicillin-Resistant Staphylococcus aureus - classification Male Bacteremia - microbiology Cross Infection - transmission Bacteremia - etiology Female Retrospective Studies Staphylococcal Infections - microbiology Methicillin-Resistant Staphylococcus aureus - genetics Cross Infection - epidemiology Risk Factors Substance-Related Disorders - complications Staphylococcal Infections - transmission Staphylococcal Infections - epidemiology Cross Infection - microbiology Bacteremia - epidemiology Aged Methicillin-Resistant Staphylococcus aureus - isolation & purification Bacteremia - transmission Cohort Studies Staphylococcal Infections - etiology

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