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Staphylococcus aureus bloodstream infections: diverging trends of meticillin-resistant and meticillin-susceptible isolates, EU/EEA, 2005 to 2018

BackgroundInvasive infections caused by have high clinical and epidemiological relevance. It is therefore important to monitor the trends using suitable methods.AimThe study aimed to describe the trends of bloodstream infections (BSI) caused by meticillin-resistant (MRSA) and meticillin-susceptible...

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Published in:Euro surveillance : bulletin européen sur les maladies transmissibles 2021-11, Vol.26 (46), p.1
Main Authors: Gagliotti, Carlo, Högberg, Liselotte Diaz, Billström, Hanna, Eckmanns, Tim, Giske, Christian G, Heuer, Ole E, Jarlier, Vincent, Kahlmeter, Gunnar, Lo Fo Wong, Danilo, Monen, Jos, Murchan, Stephen, Simonsen, Gunnar Skov, Šubelj, Maja, Andrašević, Arjana Tambić, Żabicka, Dorota, Žemličková, Helena, Monnet, Dominique L
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Language:English
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Summary:BackgroundInvasive infections caused by have high clinical and epidemiological relevance. It is therefore important to monitor the trends using suitable methods.AimThe study aimed to describe the trends of bloodstream infections (BSI) caused by meticillin-resistant (MRSA) and meticillin-susceptible (MSSA) in the European Union (EU) and the European Economic Area (EEA).MethodsAnnual data on BSI from 2005 to 2018 were obtained from the European Antimicrobial Resistance Surveillance Network (EARS-Net). Trends of BSI were assessed at the EU/EEA level by adjusting for blood culture set rate (number of blood culture sets per 1,000 days of hospitalisation) and stratification by patient characteristics.ResultsConsidering a fixed cohort of laboratories consistently reporting data over the entire study period, MRSA percentages among BSI decreased from 30.2% in 2005 to 16.3% in 2018. Concurrently, the total number of BSI caused by increased by 57%, MSSA BSI increased by 84% and MRSA BSI decreased by 31%. All these trends were statistically significant (p 
ISSN:1560-7917
1025-496X
1560-7917
1025-496X
DOI:10.2807/1560-7917.es.2021.26.46.2002094