• Ankylosing Spondylitis and Axial Spondyloarthritis in Patients With Long-term Inflammatory Bowel Disease: Results From 20 Years of Follow-up in the IBSEN Study 

      Ossum, Alvilde Maria; Palm, Øyvind; Lunder, Aida Kapic; Småstuen, Milada Cvancarova; Banitalebi, Hasan; Negård, Anne; Høie, Ole Ingebreth; Henriksen, Magne; Moum, Bjørn; Høivik, Marte Lie (Journal of Crohn's and Colitis;12(1), Journal article; Peer reviewed, 2017-09-13)
      Background Patients with inflammatory bowel disease [IBD] often suffer from rheumatic manifestations, including inflammatory back disorders. The prevalence of these disorders late in the course of IBD is poorly investigated. ...
    • Clinical and biochemical impact of vitamin B6 deficiency in primary sclerosing cholangitis before and after liver transplantation 

      Braadland, Peder Rustøen; Bergquist, Annika; Kummen, Martin; Bossen, Lars; Engesæter, Lise Katrine; Reims, Henrik Mikael; Bjørk, Ida Torunn; Grzyb, Krzysztof; Abildgaard, Andreas; Småstuen, Milada Cvancarova; Folseraas, Trine; Trøseid, Marius; Ulvik, Arve; Ueland, Per Magne; Melum, Espen; Line, Pål Dag; Høivik, Marte Lie; Grønbæk, Henning; Karlsen, Tom Hemming; Vesterhus, Mette Nåmdal; Hov, Johannes Espolin Roksund (Peer reviewed; Journal article, 2023)
      Background and aims: We previously demonstrated that people with primary sclerosing cholangitis (PSC) had reduced gut microbial capacity to produce active vitamin B6 (pyridoxal 5’-phosphate [PLP]), which corresponded to ...
    • Dietary intake and nutritional status in patients with newly diagnosed inflammatory bowel disease: insights from the IBSEN III study 

      Zerouga, Insaf; Valeur, Jørgen; Sommer, Christine; Småstuen, Milada Cvancarova; Medhus, Asle Wilhelm; Lund, Charlotte; Johansen, Ingunn; Boyar Cetinkaya, Raziye; Bengtson, May-Bente; Torp, Roald; Hovde, Øistein; Huppertz-Hauss, Gert; Detlie, Trond Espen; Aabrekk, Tone Bergene; Ricanek, Petr; Frigstad, Svein Oskar; Hopstock, Laila Arnesdatter; Opheim, Randi; Kristensen, Vendel Ailin; Høivik, Marte Lie; Carlsen, Monica Hauger; Aas, Anne-Marie (Scandinavian Journal of Gastroenterology;, Peer reviewed; Journal article, 2024)
      Background: Dietary recommendations in inflammatory bowel disease (IBD) are inconclusive, and patients may follow restrictive diets with increased risk of malnutrition. The aim of this study was to compare dietary intakes ...
    • 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 ...
    • Fatigue is not associated with vitamin D deficiency in inflammatory bowel disease patients 

      Frigstad, Svein Oskar; Høivik, Marte Lie; Jahnsen, Jørgen; Småstuen, Milada Cvancarova; Grimstad, Tore; Berset, Ingrid Prytz; Huppertz-Hauss, Gert; Hovde, Øistein; Bernklev, Tomm; Moum, Bjørn; Jelsness-Jørgensen, Lars-Petter (World journal of gastroenterology;24(29), Journal article; Peer reviewed, 2018-08-07)
      AIM To investigate if vitamin D deficiency is associated with fatigue in patients with inflammatory bowel disease (IBD). METHODS IBD patients were recruited from nine hospitals in the southeastern and western regions ...
    • The Impact of Spondyloarthritis and Joint Symptoms on Health-Related Quality of Life and Fatigue in IBD Patients. Results From a Population-Based Inception Cohort (20-Year Follow-up in the Ibsen Study) 

      Ossum, Alvilde Maria; Palm, Øyvind; Småstuen, Milada C; Bernklev, Tomm; Jahnsen, Jørgen; Moum, Bjørn; Høivik, Marte Lie (Inflammatory Bowel Diseases;Volume 26, Issue 1, January 2020, Journal article; Peer reviewed, 2019-05-25)
      Background: Patients with inflammatory bowel disease (IBD) often suffer from musculoskeletal manifestations. Health-related quality of life (HRQoL) and fatigue are known to be associated with IBD activity and musculoskeletal ...
    • Peripheral arthritis in patients with long-term inflammatory bowel disease. Results from 20 years of follow-up in the IBSEN study 

      Ossum, Alvilde Maria; Palm, Øyvind; Småstuen, Milada Cvancarova; Solberg, Inger Camilla; Vatn, Morten H; Moum, Bjørn; Høivik, Marte Lie (Scandinavian Journal of Gastroenterology;53(10-11), Journal article; Peer reviewed, 2018-10-24)
      Objectives: Peripheral arthritis and related musculoskeletal manifestations, often classified as peripheral spondyloarthritis, are frequently seen in patients with inflammatory bowel disease (IBD). Few long-term studies ...
    • Serological antibodies and surgery in a population-based inception cohort of Crohn's disease patients - the IBSEN study 

      Kristensen, Vendel Ailin; Småstuen, Milada Cvancarova; Høivik, Marte Lie; Moum, Bjørn; Vatn, Morten H (Scandinavian Journal of Gastroenterology;Volume 55, 2020 - Issue 4, Journal article; Peer reviewed, 2020-04-06)
      Introduction: Serological antibodies have been associated with complicated disease course in Crohn’s disease (CD), including the need for surgery. Aim: The aim of this study was to investigate if a panel of relevant ...
    • Switching from intravenous to subcutaneous vedolizumab maintenance treatment in patients with inflammatory bowel disease followed by therapeutic drug monitoring 

      Wiken, Thea H.; Høivik, Marte Lie; Buer, Lydia Celine Tansem; Warren, David J.; Bolstad, Nils; Moum, Bjørn Allan; Anisdahl, Karoline; Småstuen, Milada Cvancarova; Medhus, Asle Wilhelm (Peer reviewed; Journal article, 2023)
      Objective: Vedolizumab (VDZ) for subcutaneous (SC) administration has recently become available. We aimed to assess feasibility, safety and clinical outcome when switching from intravenous (IV) to SC VDZ maintenance ...
    • 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 Eileen Torp; Kristensen, Vendel Ailin; Høivik, Marte Lie; Lund, Charlotte; Olsen, Bjørn Christian Elias Grova; 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 ...