Lifestyle-Associated Risk Factors for Community-Acquired Methicillin-Resistant Staphylococcus aureus Carriage in the Netherlands: An Exploratory Hospital-Based Case-Control Study

Miranda M.L. van Rijen, Marjolein F.Q. Kluytmans-van den Bergh, Erwin J.M. Verkade, Peter B.G. ten Ham, Beth J. Feingold, Jan A.J.W. Kluytmans, Yvonne Hendriks, Daniëlle op den Kamp, Jan Kluytmans, Marjolein Kluytmans - van den Bergh, Renée Ladestein, Rudolf Punselie, Miranda van Rijen, Erwin Verkade, Marieke Ernest, Mireille Wulf, Mariëlla Brekelmans, Patricia Willemse, Mireille Wulf, Nelleke ten FeldRob Wintermans, Bent Postma, Marja Terwee, Truus de Ruiter, Eric van der Vorm, Antoinette Wijker, Ellen Silbergeld, Henk Hamers, Rob Wintermans, Philo Das, Ellen Sanders, Kees Verduin, Dick van Dam, Jan Diederen, Peter ten Ham, Loes Nolles, Eric van der Vorm, Anouk Smeulders, Kees Verduin, Anton Buiting, Helma Hörmann, Ellen Nieuwkoop, Diana Haverkate, Paul Verweij, Marc Bonten, Marischka van der Jagt-Zwetsloot, Annet Troelstra, Hanneke Berkhout, Liduine van den Hout, Annie Kaiser, Christina Vandenbroucke-Grauls

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20 Scopus citations

Abstract

Background:Community-acquired MRSA (CA-MRSA) is rapidly increasing. Currently, it is unknown which reservoirs are involved. An exploratory hospital-based case-control study was performed in sixteen Dutch hospitals to identify risk factors for CA-MRSA carriage in patients not belonging to established risk groups.Methods:Cases were in- or outpatients from sixteen Dutch hospitals, colonised or infected with MRSA without healthcare- or livestock-associated risk factors for MRSA carriage. Control subjects were patients not carrying MRSA, and hospitalised on the same ward or visited the same outpatients' clinic as the case. The presence of potential risk factors for CA-MRSA carriage was determined using a standardised questionnaire.Results:Regular consumption of poultry (OR 2{dot operator}40; 95% CI 1{dot operator}08-5{dot operator}33), cattle density per municipality (OR 1{dot operator}30; 95% CI 1{dot operator}00-1{dot operator}70), and sharing of scuba diving equipment (OR 2{dot operator}93 95% CI 1{dot operator}19-7{dot operator}21) were found to be independently associated with CA-MRSA carriage. CA-MRSA carriage was not related to being of foreign origin.Conclusions:The observed association between the consumption of poultry and CA-MRSA carriage suggests that MRSA in the food chain may be a source for MRSA carriage in humans. Although sharing of scuba diving equipment was found to be associated with CA-MRSA carriage, the role played by skin abrasions in divers, the lack of decontamination of diving materials, or the favourable high salt content of sea water is currently unclear. The risk for MRSA MC398 carriage in areas with a high cattle density may be due to environmental contamination with MRSA MC398 or human-to-human transmission. Further studies are warranted to confirm our findings and to determine the absolute risks of MRSA acquisition associated with the factors identified.

Original languageEnglish (US)
Article numbere65594
JournalPloS one
Volume8
Issue number6
DOIs
StatePublished - Jun 19 2013
Externally publishedYes

ASJC Scopus subject areas

  • General

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