Community-associated methicillin-resistant Staphylococcus aureus, Iowa, USA

Philip Van De Griend; Loreen A Herwaldt; Bret Alvis; Mary DeMartino; Kristopher Heilmann; Gary Doern; Patricia Winokur; Diana DeSalvo Vonstein; Daniel Diekema

doi:10.3201/eid1510.080877

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Community-associated methicillin-resistant Staphylococcus aureus, Iowa, USA

Journal article

Open access

Peer reviewed

Community-associated methicillin-resistant Staphylococcus aureus, Iowa, USA

Philip Van De Griend, Loreen A Herwaldt, Bret Alvis, Mary DeMartino, Kristopher Heilmann, Gary Doern, Patricia Winokur, Diana DeSalvo Vonstein and Daniel Diekema

Emerging infectious diseases, Vol.15(10), pp.1582-1589

10/2009

DOI: 10.3201/eid1510.080877

PMCID: PMC2866377

PMID: 19861049

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Abstract

We performed antimicrobial drug susceptibility testing and molecular typing on invasive methicillin-resistant Staphylococcus aureus (MRSA) isolates (n = 1,666) submitted to the University of Iowa Hygienic Laboratory during 1999-2006 as part of a statewide surveillance system. All USA300 and USA400 isolates were resistant to <or=3 non-beta-lactam antimicrobial drug classes. The proportion of MRSA isolates from invasive infections that were either USA300 or USA400 increased significantly from 1999-2005 through 2006 (p<0.0001). During 2006, the incidence of invasive community-associated (CA)-MRSA infections was highest in the summer (p = 0.0004). Age <69 years was associated with an increased risk for invasive CA-MRSA infection (odds ratio [OR] 5.1, 95% confidence interval [CI] 2.06-12.64), and hospital exposure was associated with decreased risk (OR 0.07, 95% CI 0.01-0.51).

Community-Acquired Infections - epidemiology

Humans

Middle Aged

Methicillin-Resistant Staphylococcus aureus - classification

Male

Hospitalization

Staphylococcal Infections - epidemiology

Aged, 80 and over

Adult

Female

Iowa - epidemiology

Aged

Staphylococcal Infections - microbiology

Seasons

Methicillin Resistance

Community-Acquired Infections - microbiology

Details

Title: Subtitle: Community-associated methicillin-resistant Staphylococcus aureus, Iowa, USA
Creators: Philip Van De Griend - The University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
Loreen A Herwaldt
Bret Alvis
Mary DeMartino
Kristopher Heilmann
Gary Doern
Patricia Winokur
Diana DeSalvo Vonstein
Daniel Diekema
Resource Type: Journal article
Publication Details: Emerging infectious diseases, Vol.15(10), pp.1582-1589
DOI: 10.3201/eid1510.080877
PMID: 19861049
PMCID: PMC2866377
NLM abbreviation: Emerg Infect Dis
ISSN: 1080-6040
eISSN: 1080-6059
Publisher: United States
Language: English
Date published: 10/2009
Academic Unit: Infectious Diseases; Epidemiology; Pathology; Medicine Administration; Internal Medicine
Record Identifier: 9983986257902771

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