• Fatigue in patients with newly diagnosed inflammatory bowel disease: Results from a prospective inception cohort, the IBSEN III study 

      Holten, Kristina Ingeborg; Bernklev, Tomm; Opheim, Randi; Johansen, Ingunn; Olsen, Bjørn Christian Elias Grova; Lund, Charlotte; Strande, Vibeke; Medhus, Asle Wilhelm; Perminow, Gøri Margrete; Bengtson, May-Bente; Boyar Cetinkaya, Raziye; Vatn, Simen Svendsen; Frigstad, Svein Oskar; Aabrekk, Tone Bergene; Detlie, Trond Espen; Hovde, Øistein; Kristensen, Vendel Ailin; Småstuen, Milada Cvancarova; Henriksen, Magne; Huppertz-Hauss, Gert; Høivik, Marte Lie; Jelsness-Jørgensen, Lars-Petter (Peer reviewed; Journal article, 2023)
      Background and aims: Although fatigue is common in inflammatory bowel disease (IBD), its pathogenesis remains unclear. This study aimed to determine the prevalence of fatigue and its associated factors in a cohort of ...
    • Health-related quality of life in patients with newly diagnosed inflammatory bowel disease: an observational prospective cohort study (IBSEN III) 

      Olsen, Bjørn Christian Elias Grova; Opheim, Randi; Kristensen, Vendel A.; Høivik, Marte Lie; Lund, Charlotte; Aabrekk, Tone Bergene; Johansen, Ingunn; Holten, Kristina; Strande, Vibeke; Bengtson, May-Bente; Ricanek, Petr; Detlie, Trond Espen; Bernklev, Tomm; Jelsness-Jørgensen, Lars-Petter; Huppertz-Hauss, Gert (Peer reviewed; Journal article, 2023)
      Purpose This unselected, population-based cohort study aimed to determine the level of health-related quality of life (HRQoL) in patients with Crohn’s disease (CD) and ulcerative colitis (UC) at the time of diagnosis ...
    • Inflammatory bowel disease in South-Eastern Norway III (IBSEN III): a new population-based inception cohort study from South-Eastern Norway 

      Kristensen, Vendel Ailin; Opheim, Randi; Perminow, Gøri Margrete; Huppertz-Hauss, Gert; Detlie, Trond Espen; Lund, Charlotte; Andersen, Svend; Olsen, Bjørn Christian Elias Grova; Johansen, Ingunn; Medhus, Asle Wilhelm; Vatn, Simen Svendsen; Brackmann, Stephan; Olbjørn, Christine; Rove, Jon Berggren; Henriksen, Magne; Løvlund, Emma Elisabeth; Bengtson, May-Bente; Aabrekk, Tone Bergene; Tønnessen, Tor; Vikskjold, Florin Berge; Yassin, Hussain Ali Ghalib; Frigstad, Svein Oskar; Hasund, Audun; Høie, Ole Ingebreth; Schmidt, Katharina; Cetinkaya, Raziye Boyar; Torp, Roald; Skogestad, Erik; Holm, Hans Kristian; Ahmad, Tahir Riaz; Hovde, Øistein; Ystrøm, Carl Magnus; Aballi, Batool; Sagosen, Arnt; Pedersen, Aina; Dahler, Stein; Pallenschat, Jens; Ricanek, Petr; Høivik, Marte Lie (Peer reviewed; Journal article, 2021)
      Background and aim: Modern treatment strategies for inflammatory bowel disease (IBD) are postulated to change the natural disease course. Inception cohort studies are the gold standard for investigating such changes. We ...
    • Symptoms and symptom clusters in patients newly diagnosed with inflammatory bowel disease: results from the IBSEN III Study 

      Johansen, Ingunn; Småstuen, Milada Cvancarova; Løkkeberg, Stine Torp; Kristensen, Vendel Ailin; Høivik, Marte Lie; Lund, Charlotte; Olsen, Bjørn; Strande, Vibeke; Huppertz-Hauss, Gert; Aabrekk, Tone Bergene; Bengtson, May-Bente; Ricanek, Petr; Detlie, Trond Espen; Frigstad, Svein Oskar; Jelsness-Jørgensen, Lars-Petter; Opheim, Randi (Peer reviewed; Journal article, 2023)
      Background: Patients with inflammatory bowel disease report multiple symptoms, but the relationships among co-occurring symptoms are poorly understood. This study aimed to examine the prevalence of symptoms and explore ...