Increasing incidence of bloodstream infections due to Staphylococcus aureus clonal complex 398 in a French hospital between 2010 and 2017

European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology
Marlene SaugetXavier Bertrand

Abstract

The epidemiology of Staphylococcus aureus is changing and several surveillances worldwide have evidenced an increasing incidence of S. aureus bloodstream infections (BSIs). Here, we described the long-term epidemiology of the emergent clonal group CC398 among S. aureus isolated from BSIs in our French university hospital between 2010 and 2017. Each patient with at least one blood culture positive with S. aureus during the study period was included (N = 1455). Cefoxitin susceptibility was determined using the disk diffusion method according to EUCAST recommendations. CC398 isolates were first screened from the whole S. aureus collection with a matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) typing method confirmed by a CC398-specific PCR. In our hospital, the incidence of hospital- and community-acquired BSIs due to S. aureus and MSSA increased in parallel between 2010 and 2017 while that of BSIs with MRSA decreased. The prevalence of CC398 isolates among S. aureus from BSIs increased from 3.6 in 2010 to 20.2% in 2017 (p < 0.05). CC398-MRSA emerged but remains very sparse. Our data suggested that CC398-MSSA disseminates in the community. We showed here the emergence and the diffusion o...Continue Reading

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Citations

May 31, 2020·BMC Infectious Diseases·Kevin BouillerCatherine Chirouze
Nov 11, 2020·Microorganisms·Kevin BouillerCatherine Chirouze
May 10, 2021·Journal of Global Antimicrobial Resistance·Fernanda Pimentel de AraujoAnnalisa Pantosti
Jul 11, 2021·The Journal of Antimicrobial Chemotherapy·Olouwafemi Mistourath MamaUNKNOWN Spanish Study Group of Clinical S. aureus CC398

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