• Delirium screening with 4AT in patients aged 65 years and older admitted to the Emergency Department with suspected sepsis: a prospective cohort study 

      Myrstad, Marius; Kuwelker, Kanika; Haakonsen, Sigurd; Valebjørg, Therese; Langeland, Nina; Kittang, Bård Reiakvam; Hagberg, Guri; Neerland, Bjørn Erik; Bakken, Marit Stordal (Journal article; Peer reviewed, 2021)
      Purpose We aimed to study the use of The 4 ‘A’s test (4AT), a rapid delirium screening tool, performed upon Emergency Department (ED) admission, and to characterize older patients admitted to the ED with and without sepsis ...
    • Dødsfall i sykehjem etter covid-19-vaksine 

      Wyller, Torgeir Bruun; Kittang, Bård Reiakvam; Ranhoff, Anette Hylen; Harg, Pernille; Myrstad, Marius (Journal article; Peer reviewed, 2021)
      Bakgrunn: I perioden 27.12.2020–15.2.2021 ble om lag 29 400 av Norges ca. 35 000 sykehjemspasienter vaksinert med mRNA-vaksinen BNT162b2. I samme tidsrom mottok Statens legemiddelverk 100 meldinger om mistenkte fatale ...
    • Emergence of a Streptococcus dysgalactiae subspecies equisimilis stG62647-lineage associated with severe clinical manifestations 

      Oppegaard, Oddvar; Mylvaganam, Haima; Skrede, Steinar; Lindemann, Paul Christoffer; Kittang, Bård Reiakvam (Peer reviewed; Journal article, 2017-08-08)
      Increasing incidence rates of invasive Streptococcus dysgalactiae subspecies equisimilis (SDSE) infections have been reported worldwide, but the evolutionary mechanisms underlying this development remain elusive. Through ...
    • emm gene diversity, superantigen gene profiles and presence of SlaA among clinical isolates of group A, C and G streptococci from western Norway 

      Kittang, Bård Reiakvam; Skrede, Steinar; Langeland, Nina; Haanshuus, Christel Gill; Mylvaganam, Haima (Peer reviewed; Journal article, 2010-11-20)
      In order to investigate molecular characteristics of beta-hemolytic streptococcal isolates from western Norway, we analysed the entire emm gene sequences, obtained superantigen gene profiles and determined the prevalence ...
    • Increased cytotoxicity and streptolysin O activity in group G streptococcal strains causing invasive tissue infections 

      Siemens, Nikolai; Kittang, Bård Reiakvam; Chakrakodi, Bhavya; Oppegaard, Oddvar; Johansson, Linda; Bruun, Trond; Mylvaganam, Haima; Svensson, Mattias; Skrede, Steinar; Norrby-Teglund, Anna (Peer reviewed; Journal article, 2015)
      Streptococcus dysgalactiae subsp. equisimilis (SDSE) has emerged as an important cause of severe skin and soft tissue infections, but little is known of the pathogenic mechanisms underlying tissue pathology. Patient samples ...
    • Long COVID in a prospective cohort of home-isolated patients 

      Blomberg, Bjørn; Mohn, Kristin Greve-Isdahl; Brokstad, Karl Albert; Zhou, Fan; Linchausen, Dagrunn Waag; Hansen, Bernt-Are; Jalloh, Sarah Larteley Lartey; Onyango, Therese Bredholt; Kuwelker, Kanika; Sævik, Marianne; Bartsch, Hauke; Tøndel, Camilla; Kittang, Bård Reiakvam; Cox, Rebecca Jane; Langeland, Nina (Journal article; Peer reviewed, 2021)
      Long-term complications after coronavirus disease 2019 (COVID-19) are common in hospitalized patients, but the spectrum of symptoms in milder cases needs further investigation. We conducted a long-term follow-up in a ...
    • Lower antibiotic prescription rates in hospitalized COVID-19 patients than influenza patients, a prospective study 

      Fjelltveit, Elisabeth Berg; Cox, Rebecca Jane; Kittang, Bård Reiakvam; Blomberg, Bjørn; Buanes, Eirik A.; Langeland, Nina; Mohn, Kristin Greve-Isdahl (Journal article; Peer reviewed, 2022)
      Background COVID-19 patients are extensively treated with antibiotics despite few bacterial complications. We aimed to study antibiotic use in hospitalized COVID-19 patients compared to influenza patients in two consecutive ...
    • A new pathway for penicillin delabeling in Norway 

      Alnæs, Marie Bjørbak; Oppegaard, Oddvar; Kittang, Bård Reiakvam; Lygre, Stein Håkon Låstad; Langeland, Anine Bernhoft; Skodvin, Brita; Bjånes, Tormod Karlsen; Storaas, Torgeir (Journal article; Peer reviewed, 2023)
      Background: Penicillin allergy is self-reported by 3–10% of patients admitted to hospital. The label is wrong in 90% of the cases and has severe health implications. Penicillin-delabeling can reverse the negative effects ...
    • Persistent pulmonary pathology after COVID‑19 is associated with high viral load, weak antibody response, and high levels of matrix metalloproteinase‑9 

      Lerum, Tøri Vigeland; Maltzahn, Niklas; Aukrust, Pål; Trøseid, Marius; Nezvalova-Henriksen, Katerina; Kåsine, Trine; Dyrhol-Riise, Anne Ma; Stiksrud, Birgitte; Haugli, Mette; Blomberg, Bjørn; Kittang, Bård Reiakvam; Johannessen, Asgeir; Hannula, Raisa; Aballi, Saad; Kildal, Anders Benjamin; Eiken, Ragnhild; Dahl, Tuva Børresdatter; Lund-Johansen, Fridtjof; Müller, Fredrik; Rivero, Jezabel Rodriguez; Meltzer, Carin; Einvik, Gunnar; Ueland, Thor; Olsen, Inge Christoffer; Barratt-Due, Andreas; Aaløkken, Trond Mogens; Skjønsberg, Ole Henning (Journal article; Peer reviewed, 2021)
      The association between pulmonary sequelae and markers of disease severity, as well as pro-fibrotic mediators, were studied in 108 patients 3 months after hospital admission for COVID-19. The COPD assessment test (CAT-score), ...
    • SARS CoV-2 Infection among Health Care Workers from Different Health Care Facilities in Western Norway: A Prospective, Cross-Sectional Study 

      Kittang, Bård Reiakvam; Blomberg, Bjørn; Sævik, Marianne; Olofsson, Jan Stefan; Langeland, Nina; Cox, Rebecca Jane (Journal article; Peer reviewed, 2022)
      Background: Comparative data on COVID-19 among health care workers (HCWs) in different health care settings are scarce. This study investigated the rates of previous COVID-19 among HCWs in nursing homes, hospitals and a ...
    • SARS-CoV-2 specific immune responses in overweight and obese COVID-19 patients 

      Onyango, Therese Bredholt; Zhou, Fan; Bredholt, Geir; Brokstad, Karl Albert; Jalloh, Sarah Larteley Lartey; Mohn, Kristin Greve-Isdahl; Özgümüs, Türküler; Kittang, Bård Reiakvam; Linchausen, Dagrun Waag; Shafiani, Shahin; Elyanow, Rebecca; Blomberg, Bjørn; Langeland, Nina; Cox, Rebecca Jane (Journal article; Peer reviewed, 2023)
      Obesity is a known risk factor for severe respiratory tract infections. In this prospective study, we assessed the impact of being obese or overweight on longitudinal SARS-CoV-2 humoral and cellular responses up to 18 ...
    • Temporal trends of β-haemolytic streptococcal osteoarticular infections in western Norway 

      Oppegaard, Oddvar; Skrede, Steinar; Mylvaganam, Haima; Kittang, Bård Reiakvam (Peer reviewed; Journal article, 2016-10-04)
      Background: Beta-haemolytic streptococci are important contributors to the global burden of osteoarticular infections (OAI). Knowledge on the disease traits specific for streptococcal OAI, however, remains scarce. We wished ...
    • Use of microbiology tests in the era of increasing AMR rates- a multicentre hospital cohort study 

      Skodvin, Brita; Wathne, Jannicke Slettli; Lindemann, Paul Christoffer; Harthug, Stig; Nilsen, Roy Miodini; Charani, Esmita; Syre, Heidi; Kittang, Bård Reiakvam; Kleppe, Lars Kåre Selland; Smith, Ingrid (Peer reviewed; Journal article, 2019-02-04)
      Background: Effective use of microbiology test results may positively influence patient outcomes and limit the use of broad-spectrum antibiotics. However, studies indicate that their potential is not fully utilized. We ...