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Arnfinn Sundsfjord

Faculty of Health Sciences

58H-index
216Paper Count
1.1WCitation Count
Published Papers 83
Publication Date
Performance of disk diffusion and MIC gradient tests in tigecycline susceptibility testing of enterococci: a Nordic multicentre study
err2026-06-04
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errIngeborg Mathiesen; Bjørg Christina Haldorsen; Lars Småbrekke; Erika Matuschek; Frode Skjold; Barbara Juliane Holzknecht; Kristján Orri Helgason; Heikki Ilmavirta; Gunnar Kahlmeter; Arnfinn Sundsfjord; Kristin Hegstad
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Microbiota and resistome dynamics in untreated and treated wastewater: A ten-month study leveraging RNA-probe capture and subspecies-level metagenomics
err2025-11-20
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errKenneth Lindstedt; Adriana Osińska; Ahmed Bargheet; Henning Sørum; Ryan R. Wick; Kathryn E. Holt; Veronika Kuchařová Pettersen; Arnfinn Sundsfjord; Yngvild Wasteson
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Genomic profiling of cefotaxime-resistant Haemophilus influenzae from Norway and Sweden reveals extensive expansion of virulent multidrug-resistant international clones
err2025-07-30
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errDagfinn Skaare; Inger Lill Anthonisen; Nermin Zecic; Andrew Jenkins; Dominique A. Caugant; Trond Egil Ranheim; Arnfinn Sundsfjord; Kristin Hegstad and Study Group on Exceptional Phenotypes in Haemophilus influenzae
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A genome-wide One Health study of Klebsiella pneumoniae in Norway reveals overlapping populations but few recent transmission events across reservoirs
err2025-04-28
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errHetland, Marit A. K.; Winkler, Mia A.; Kaspersen, Hakon P.; Hakonsholm, Fredrik; Bakksjo, Ragna-Johanne; Bernhoff, Eva; Delgado-Blas, Jose F.; Brisse, Sylvain; Correia, Annapaula; Fostervold, Aasmund; Lam, Margaret M. C.; Lunestad, Bjorn-Tore; Marathe, Nachiket P.; Raffelsberger, Niclas; Samuelsen, Orjan; Sunde, Marianne; Sundsfjord, Arnfinn; Urdahl, Anne Margrete; Wick, Ryan R.; Lohr, Iren H.; Holt, Kathryn E.
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Diversity, functional classification and genotyping of SHV /3-lactamases in Klebsiella pneumoniae
err2024-10-21
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errTsang, Kara K.; Lam, Margaret M. C.; Wick, Ryan R.; Wyres, Kelly L.; Bachman, Michael; Baker, Stephen; Barry, Katherine; Brisse, Sylvain; Campino, Susana; Chiaverini, Alexandra; Cirillo, Daniela Maria; Clark, Taane; Corander, Jukka; Corbella, Marta; Cornacchia, Alessandra; Cuenod, Aline; D'Alterio, Nicola; Di Marco, Federico; Donado-Godoy, Pilar; Egli, Adrian; Farzana, Refath; Feil, Edward J.; Fostervold, Aasmund; Gorrie, Claire L.; Hassan, Brekhna; Hetland, Marit Andrea Klokkhammer; Hoa, Le Nguyen Minh; Hoi, Le Thi; Howden, Benjamin; Ikhimiukor, Odion O.; Jenney, Adam W. J.; Kaspersen, Hakon; Khokhar, Fahad; Leangapichart, Thongpan; Ligowska-Marzeta, Malgorzata; Lohr, Iren Hoyland; Long, Scott W.; Mathers, Amy J.; Mcarthur, Andrew G.; Nagaraj, Geetha; Oaikhena, Anderson O.; Okeke, Iruka N.; Perdigao, Joao; Parikh, Hardik; Pham, My H.; Pomilio, Francesco; Raffelsberger, Niclas; Rakotondrasoa, Andriniaina; Kumar, K. L. Ravi; Roberts, Leah W.; Rodrigues, Carla; Samuelsen, Orjan; Sands, Kirsty; Sassera, Davide; Seth-Smith, Helena; Shamanna, Varun; Sherry, Norelle L.; Sia, Sonia; Spadar, Anton; Stoesser, Nicole; Sunde, Marianne; Sundsfjord, Arnfinn; Thach, Pham Ngoc; Thomson, Nicholas R.; Thorpe, Harry A.; Torok, M. Estee; Trang, Van Dinh; Trung, Nguyen Vu; Vornhagen, Jay; Walsh, Timothy; Warne, Ben; Wilson, Hayley; Wright, Gerard D.; Holt, Kathryn E.
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Risk of death in Klebsiella pneumoniae bloodstream infections is associated with specific phylogenetic lineages
err2024-05-01
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errFostervold, Aasmund; Raffelsberger, Niclas; Hetland, Marit A. K.; Bakksjo, Ragna; Bernhoff, Eva; Samuelsen, Orjan; Sundsfjord, Arnfinn; Afset, Jan E.; Berntsen, Christopher F.; Baevre-Jensen, Roar; Ebbesen, Marit H.; Gammelsrud, Karianne W.; Guleng, Anja D.; Handal, Nina; Jakovljev, Aleksandra; Johal, Simreen K.; Marvik, Ashild; Natvik, Ane; Sandnes, Rolf-Arne; Tofteland, Stale; Bjornholt, Jorgen, V; Lohr, Iren H.
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Pseudomonas aeruginosa antimicrobial susceptibility profiles, resistance mechanisms and international clonal lineages: update from ESGARS-ESCMID/ISARPAE Group
err2024-04-01
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errOliver, Antonio; Rojo-Molinero, Estrella; Arca-Suarez, Jorge; Besli, Yesim; Bogaerts, Pierre; Canton, Rafael; Cimen, Cansu; Croughs, Peter D.; Denis, Olivier; Giske, Christian G.; Graells, Tiscar; Huang, Te-Din Daniel; Iorga, Bogdan I.; Karatuna, Onur; Kocsis, Bela; Kronenberg, Andreas; Lopez-Causape, Carla; Malhotra-Kumar, Surbhi; Martinez, Luis Martinez; Mazzariol, Annarita; Meyer, Sylvain; Naas, Thierry; Notermans, Daan W.; Oteo-Iglesias, Jesus; Pedersen, Torunn; Pirs, Mateja; Poeta, Patricia; Poirel, Laurent; Pournaras, Spyros; Sundsfjord, Arnfinn; Szabo, Dora; Tambic-Andrasevic, Arjana; Vatcheva-Dobrevska, Rossitza; Vitkauskiene, Astra; Jeannot, Katy
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The first tigecycline resistant Enterococcus faecium in Norway was related to tigecycline exposure
err2024-03-01
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errHegstad, Kristin; Poentinen, Anna K.; Bjornholt, Jorgen, V; Quist-Paulsen, Else; Sundsfjord, Arnfinn
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Adaptive cell wall thickening in Enterococcus faecalis is associated with decreased vancomycin susceptibility
err2024-03-01
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errWagner, Theresa Maria; Pontinen, Anna K.; AL Rubaye, Mushtaq; Sundsfjord, Arnfinn; Hegstad, Kristin
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The first vanE-type vancomycin resistant Enterococcus faecalis isolates in Norway - phenotypic and molecular characteristics
err2024-03-01
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errAL Rubaye, Mushtaq; Janice, Jessin; Bjornholt, Jorgen Vildershoj; Lohr, Iren H.; Sundsfjord, Arnfinn; Hegstad, Kristin
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The population structure of vancomycin-resistant and -susceptible Enterococcus faecium in a low-prevalence antimicrobial resistance setting is highly influenced by circulating global hospital-associated clones
err2023-12-19
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errAl Rubaye, Mushtaq; Janice, Jessin; Bjornholt, Jorgen Vildershoj; Kacelnik, Oliver; Haldorsen, Bjorg C.; Nygaard, Randi M.; Hegstad, Joachim; Sundsfjord, Arnfinn; Hegstad, Kristin
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Community carriage of ESBL-producing Escherichia coli and Klebsiella pneumoniae: a cross-sectional study of risk factors and comparative genomics of carriage and clinical isolates
errMSPHERE
IF3.1
err2023-08-24
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errRaffelsberger, Niclas; Buczek, Dorota Julia; Svendsen, Kristian; Smabrekke, Lars; Pontinen, Anna Kaarina H.; Lohr, Iren; Andreassen, Lotte Leonore Eivindsdatter; Simonsen, Gunnar Skov; Sundsfjord, Arnfinn; Gravningen, Kirsten; Samuelsen, Orjan
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Nationwide, population-based observational study of the molecular epidemiology and temporal trend of carbapenemase-producing Enterobacterales in Norway, 2015 to 2021
err2023-07-06
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errLjungquist, Oskar; Haldorsen, Bjorg; Pontinen, Anna Kaarina; Janice, Jessin; Josefsen, Ellen Haldis; Elstrom, Petter; Kacelnik, Oliver; Sundsfjord, Arnfinn; Samuelsen, Orjan
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Intraregional hospital outbreak of OXA-244-producing Escherichia coli ST38 in 2020
err2023-07-06
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errLindemann, Paul Christoffer; Pedersen, Torunn; Oma, Dorthea Hagen; Janice, Jessin; Grovan, Fredrik; Chedid, Ghantous Milad; Hafne, Liv Jorunn; Josefsen, Ellen H.; Kacelnik, Oliver; Sundsfjord, Arnfinn; Samuelsen, Orjan
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Within-patient and global evolutionary dynamics of Klebsiella pneumoniae ST17
err2023-05-18
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errHetland, Marit A. K.; Hawkey, Jane; Bernhoff, Eva; Bakksjo, Ragna-Johanne; Kaspersen, Hakon; Rettedal, Siren I.; Sundsfjord, Arnfinn; Holt, Kathryn E.; Lohr, Iren H.
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Transiently silent acquired antimicrobial resistance: an emerging challenge in susceptibility testing
err2023-01-31
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errWagner, Theresa Maria; Howden, Benjamin Peter; Sundsfjord, Arnfinn; Hegstad, Kristin
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Detection of Klebsiella pneumoniae human gut carriage: a comparison of culture, qPCR, and whole metagenomic sequencing methods
err2022-08-31
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errLindstedt, Kenneth; Buczek, Dorota; Pedersen, Torunn; Hjerde, Erik; Raffelsberger, Niclas; Suzuki, Yutaka; Brisse, Sylvain; Holt, Kathryn; Samuelsen, Orjan; Sundsfjord, Arnfinn
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Gastrointestinal carriage of Klebsiella pneumoniae in a general adult population: a cross-sectional study of risk factors and bacterial genomic diversity
err2021-06-28
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errRaffelsberger, Niclas; Hetland, Marit Andrea Klokkhammer; Svendsen, Kristian; Smabrekke, Lars; Lohr, Iren Hoyland; Andreassen, Lotte Leonore Eivindsdatter; Brisse, Sylvain; Holt, Kathryn E.; Sundsfjord, Arnfinn; Samuelsen, Orjan; Gravningen, Kirsten
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