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Clin Infect Dis. 1996 Aug;23(2):255-9.

Nosocomial and community-acquired Staphylococcus aureus bacteremias from 1980 to 1993: impact of intravascular devices and methicillin resistance.

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1
Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.

Abstract

The rate of nosocomial bacteremia due to Staphylococcus aureus has increased over the past decade, but trends in community-acquired S. aureus bacteremia are less certain. This hospital-based observational study compares nosocomial and community-acquired S. aureus bacteremias during 1980-1983 and 1990-1993. The rate of nosocomial S. aureus bacteremia increased from 0.75 to 2.80 cases per 1,000 discharges, while the rate of community-acquired S. aureus bacteremia increased from 0.84 to 2.43 cases per 1,000 discharges. The number of nosocomial device-related bacteremias increased eightfold; 56% of S. aureus bacteremias were associated with devices during 1990-1993. Intravascular devices were associated with no community-acquired S. aureus bacteremias during 1980-1983 but with 22% during 1990-1993. Methicillin-resistant S. aureus (MRSA) seldom caused bacteremia during 1980-1983. From 1990 to 1993, MRSA caused 32% and 18.5% of nosocomial and community-acquired S. aureus bacteremias, respectively. The rates of both community-acquired and nosocomial S. aureus bacteremias have increased significantly since 1980. In addition to their role in nosocomial infections, MRSA and intravascular device-related S. aureus bacteremias are emerging problems in the nonhospital setting.

PMID:
8842259
DOI:
10.1093/clinids/23.2.255
[Indexed for MEDLINE]

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