Community-Associated Methicillin-Resistant Staphylococcus aureus, Iowa, USA

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 i...

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Main Authors: Philip Van De Griend, Loreen A. Herwaldt, Bret Alvis, Mary DeMartino, Kristopher Heilmann, Gary Doern, Patricia Winokur, Diana DeSalvo Vonstein, Daniel Diekema
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2009-10-01
Series:Emerging Infectious Diseases
Subjects:
Online Access:https://wwwnc.cdc.gov/eid/article/15/10/08-0877_article
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author Philip Van De Griend
Loreen A. Herwaldt
Bret Alvis
Mary DeMartino
Kristopher Heilmann
Gary Doern
Patricia Winokur
Diana DeSalvo Vonstein
Daniel Diekema
author_facet Philip Van De Griend
Loreen A. Herwaldt
Bret Alvis
Mary DeMartino
Kristopher Heilmann
Gary Doern
Patricia Winokur
Diana DeSalvo Vonstein
Daniel Diekema
author_sort Philip Van De Griend
collection DOAJ
description 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 <3 non–β-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).
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spelling doaj.art-8a16127513f64300b7de906cb361ff382022-12-22T00:50:19ZengCenters for Disease Control and PreventionEmerging Infectious Diseases1080-60401080-60592009-10-0115101582158910.3201/eid1510.080877Community-Associated Methicillin-Resistant Staphylococcus aureus, Iowa, USAPhilip Van De GriendLoreen A. HerwaldtBret AlvisMary DeMartinoKristopher HeilmannGary DoernPatricia WinokurDiana DeSalvo VonsteinDaniel DiekemaWe 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 <3 non–β-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).https://wwwnc.cdc.gov/eid/article/15/10/08-0877_articleMethicillin-resistant Staphylococcus aureus infectionsMRSAcommunity-associated MRSAsurveillancebloodstream infectionIowa
spellingShingle Philip Van De Griend
Loreen A. Herwaldt
Bret Alvis
Mary DeMartino
Kristopher Heilmann
Gary Doern
Patricia Winokur
Diana DeSalvo Vonstein
Daniel Diekema
Community-Associated Methicillin-Resistant Staphylococcus aureus, Iowa, USA
Emerging Infectious Diseases
Methicillin-resistant Staphylococcus aureus infections
MRSA
community-associated MRSA
surveillance
bloodstream infection
Iowa
title Community-Associated Methicillin-Resistant Staphylococcus aureus, Iowa, USA
title_full Community-Associated Methicillin-Resistant Staphylococcus aureus, Iowa, USA
title_fullStr Community-Associated Methicillin-Resistant Staphylococcus aureus, Iowa, USA
title_full_unstemmed Community-Associated Methicillin-Resistant Staphylococcus aureus, Iowa, USA
title_short Community-Associated Methicillin-Resistant Staphylococcus aureus, Iowa, USA
title_sort community associated methicillin resistant staphylococcus aureus iowa usa
topic Methicillin-resistant Staphylococcus aureus infections
MRSA
community-associated MRSA
surveillance
bloodstream infection
Iowa
url https://wwwnc.cdc.gov/eid/article/15/10/08-0877_article
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