• Emergence and dissemination of antimicrobial resistance in Escherichia coli causing bloodstream infections in Norway in 2002–17: a nationwide, longitudinal, microbial population genomic study 

      Gladstone, Rebecca Ashley; McNally, Alan; Pöntinen, Anna Kaarina; Tonkin-Hill, Gerry; Lees, John A.; Skytén, Kusti Onni; Cléon, Francois Pierre Alexandre; Christensen, Martin Owczarek Korsner; Haldorsen, Bjørg; Bye, Kristina K.; Gammelsrud, Karianne Wiger; Hjetland, Reidar; Kümmel, Angela; Larsen, Hege; Lindemann, Paul Christoffer; Löhr, Iren Høyland; Marvik, Åshild; Nilsen, Einar; Noer, Marie Therese; Simonsen, Gunnar Skov; Steinbakk, Martin; Tofteland, Ståle; Vattøy, Marit; Bentley, Stephen D.; Croucher, Nicholas J.; Parkhill, Julian; Johnsen, Pål Jarle; Samuelsen, Ørjan; Corander, Jukka (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-05-10)
      Background - The clonal diversity underpinning trends in multidrug resistant Escherichia coli causing bloodstream infections remains uncertain. We aimed to determine the contribution of individual clones to resistance over time, using large-scale genomics-based molecular epidemiology.<p> <p>Methods - This was a longitudinal, E coli population, genomic, cohort study that sampled isolates from ...
    • Impact of extensive antibiotic treatment on faecal carriage of antibiotic-resistant enterobacteria in children in a low resistance prevalence setting 

      Knudsen, Per Kristian; Brandtzæg, Petter; Høiby, Ernst Arne; Bohlin, Jon; Samuelsen, Ørjan; Steinbakk, Martin; Abrahamsen, Tore G; Müller, Fredrik; Gammelsrud, Karianne Wiger (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-07)
      We prospectively studied the consequences of extensive antibiotic treatment on faecal carriage of antibiotic-resistant enterobacteria in a cohort of children with cystic fibrosis (CF) and a cohort of children with cancer compared to healthy children with no or low antibiotic exposure. The study was conducted in Norway in a low resistance prevalence setting. Sixty longitudinally collected faecal ...
    • Nationwide, population-based observational study of the molecular epidemiology and temporal trend of carbapenemase-producing Enterobacterales in Norway, 2015 to 2021 

      Ljungquist, Oskar; Haldorsen, Bjørg; Pöntinen, Anna Kaarina; Janice, Jessin; Josefsen, Ellen Haldis; Elstrøm, Petter; Kacelnik, Oliver; Sundsfjord, Arnfinn; Samuelsen, Ørjan; Handal, Nina; Ranheim, Trond Egil; Hansen, Bent-Are; Mjøen, Andreas Fossum; Lindemann, Paul Christoffer; Nilsen, Einar; Zaragkoulias, Kyriakos; Larsen, Hege Elisabeth; Bjørnholt, Jørgen; Gammelsrud, Karianne Wiger; Jakovljev, Aleksandra; Löhr, Iren Høyland; Bredberg, Anders; Marvik, Åshild; Minge, Christina; Tofteland, Ståle; Papp, Kristina; Onken, Annette; Weme, Einar Tollaksen; Guennigsman, Brian Albert (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-07-06)
      National and regional carbapenemaseproducing Enterobacterales (CPE) surveillance is essential to understand the burden of antimicrobial resistance, elucidate outbreaks, and develop infection-control or antimicrobial-treatment recommendations. Aim: This study aimed to describe CPE and their epidemiology in Norway from 2015 to 2021. Methods: A nationwide, population-based observational study of ...