Now showing items 1-12 of 12

    • Anti-type II collagen antibodies, anti-CCP, IgA RF and IgM RF are associated with joint damage, assessed eight years after onset of juvenile idiopathic arthritis (JIA) 

      Berntson, Lillemor; Nordal, Ellen Berit; Fasth, Anders; Aalto, Kristiina; Herlin, T; Nielsen, Susan; Rygg, Marite; Zak, M; Ronnelid, J (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
    • Changing patterns in treatment, remission status, and categories in a long-term Nordic cohort study of juvenile idiopathic arthritis 

      Glerup, Mia; Arnstad, Ellen Dalen; Rypdal, Veronika; Peltoniemi, Suvi; Aalto, Kristiina; Rygg, Marite; Nielsen, Susan; Fasth, Anders; Berntson, Lillemor; Nordal, Ellen Berit; Herlin, Troels (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-01-10)
      Objective - To explore sustainability of achieved remission off medication and defined International League of Associations for Rheumatology (ILAR) categories in juvenile idiopathic arthritis (JIA) and describe the trajectory of disease course over time by comparing treatment, disease activity, and ILAR categories from baseline, 8 years, and 18 years after disease onset.<p> <p>Methods - A total ...
    • Early self-reported pain in juvenile idiopathic arthritis (JIA) is related to long-term outcomes. Results from the Nordic JIA cohort study. 

      Arnstad, Ellen Dalen; Rypdal, Veronika Gjertsen; Peltoniemi, Suvi; Herlin, T; Berntson, Lillemor; Fasth, Anders; Nielsen, Susan; Glerup, Mia; Ekelund, Maria; Zak, Marek; Aalto, Kristiina; Nordal, Ellen Berit; Romundstad, Pål Richard; Rygg, Marite (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-28)
      <p><i>Objective</i>: To study self‐reported pain early in the disease course of juvenile idiopathic arthritis (JIA) as predictor of long‐term disease outcomes.</p> <p><i>Methods</i>: Consecutive cases of JIA with disease onset 1997‐2000 from defined geographical areas of Norway, Sweden, Finland and Denmark were prospectively enrolled in this population‐based cohort study. Self‐reported, disease‐related ...
    • Fatigue in young adults with juvenile idiopathic arthritis 18 years after disease onset: data from the prospective Nordic JIA cohort 

      Arnstad, Ellen Dalen; Glerup, Mia; Rypdal, Veronika Gjertsen; Peltoniemi, Suvi; Fasth, Anders; Nielsen, Susan; Zak, Marek; Aalto, Kristiina; Berntson, Lillemor; Nordal, Ellen Berit; Herlin, Troels; Romundstad, Pål Richard; Rygg, Marite (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-03-12)
      Background: To study fatigue in young adults with juvenile idiopathic arthritis (JIA) 18 years after disease onset, and to compare with controls. Methods: Consecutive children with onset of JIA between 1997 and 2000, from geographically defined areas of Norway, Sweden, Denmark and Finland were followed for 18 years in a close to population-based prospective cohort study. Clinical features, ...
    • Incidence and predictors of Uveitis in juvenile idiopathic arthritis in a Nordic long-term cohort study. 

      Nordal, Ellen Berit; Rypdal, Veronika Gjertsen; Christoffersen, Terje; Aalto, Kristiina; Berntson, Lillemor; Fasth, Anders; Herlin, Troels; Nielsen, Susan; Peltoniemi, Suvi; Straume, Bjørn; Zak, Marek S.; Rygg, Marite (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-08-18)
      Background: The incidence of uveitis associated with juvenile idiopathic arthritis (JIA) varies around the world. Our aim was to investigate the incidence and predictors of uveitis in a Nordic population-based cohort. <br>Methods: Consecutive JIA cases from defined geographical areas in Denmark, Finland, Sweden and Norway with disease onset between January 1997 to June 2000 were followed for ...
    • Long-term outcomes in juvenile idiopathic arthritis: 18 years of follow-up in the population-based Nordic Juvenile Idiopathic Arthritis (JIA) cohort. 

      Glerup, Mia; Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Ekelund, Maria; Peltoniemi, Suvi; Aalto, Kristiina; Rygg, Marite; Toftedal, Peter; Nielsen, Susan; Fasth, Anders; Berntson, Lillemor; Nordal, Ellen Berit; Herlin, Troels (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-02-14)
      <i>Objectives</i> - This study assessed the long‐term course, remission rate and disease burden in juvenile idiopathic arthritis (JIA) 18 years after disease onset in a population‐based setting from the early biologic era.<p><p> <i>Methods</i> - A total of 510 consecutive cases of JIA with disease onset between 1997 and 2000 from defined geographic regions in Denmark, Norway, Sweden and Finland ...
    • Longterm Outcomes of Temporomandibular Joints in Juvenile Idiopathic Arthritis: 17 Years of Followup of a Nordic Juvenile Idiopathic Arthritis Cohort. 

      Glerup, Mia; Stoustrup, Peter Bangsgaard; Matzen, Louise Hauge; Rypdal, Veronika Gjertsen; Nordal, Ellen Berit; Frid, Paula; Arnstad, Ellen Dalen; Rygg, Marite; Thorarensen, Olafur; Ekelund, Maria; Berntson, Lillemor; Fasth, Anders; Nilsson, H; Peltoniemi, Suvi; Aalto, Kristiina; Arte, Sirpa; Toftedal, Peter; Nielsen, Susan; Kreiborg, S.; Herlin, T; Pedersen, T. (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-05-01)
      <i>Objective</i> - To determine the prevalence of orofacial symptoms, dysfunctions, and deformities of the temporomandibular joint (TMJ) in juvenile idiopathic arthritis (JIA) 17 years after disease onset.<p> <p><i>Methods</i> - Drawn from a prospective, population-based Nordic JIA cohort with disease onset from 1997 to 2000, 420 consecutive cases were eligible for orofacial evaluation of TMJ ...
    • Participation in school and physical education in juvenile idiopathic arthritis in a Nordic long-term cohort study 

      Nordal, Ellen Berit; Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Aalto, Kristiina; Berntson, Lillemor; Ekelund, Maria; Fasth, Anders; Glerup, Mia; Herlin, Troels; Nielsen, Susan; Peltoniemi, Suvi; Zak, Marek; Songstad, Nils Thomas; Rygg, Marite (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-15)
      <i>Background</i> - The aim of the study was to describe school attendance and participation in physical education in school among children with juvenile idiopathic arthritis (JIA).<p> <p><i>Methods</i> - Consecutive cases of JIA from defined geographical areas of Finland, Sweden and Norway with disease onset in 1997 to 2000 were followed for 8 years in a multi-center cohort study, aimed to be ...
    • Predicting unfavorable long-term outcome in juvenile idiopathic arthritis: Results from the Nordic cohort study 

      Rypdal, Veronika Gjertsen; Arnstad, Ellen Dalen; Aalto, Kristiina; Berntson, Lillemor; Ekelund, Maria; Fasth, Anders; Glerup, Mia; Herlin, Troels; Nielsen, Susan; Peltoniemi, Suvi; Zak, Marek; Rygg, Marite; Rypdal, Martin Wibe; Nordal, Ellen Berit (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-05-03)
      <i>Background</i>: The aim was to develop prediction rules that may guide early treatment decisions based on baseline clinical predictors of long-term unfavorable outcome in juvenile idiopathic arthritis (JIA). <p> <p><i>Methods</i>: In the Nordic JIA cohort, we assessed baseline disease characteristics as predictors of the following outcomes 8 years after disease onset. Non-achievement of ...
    • Psoriasis and associated variables in classification and outcome of juvenile idiopathic arthritis - an eight-year follow-up study 

      Ekelund, Maria; Aalto, Kristiina; Fasth, Anders; Nielsen, Susan; Nordal, Ellen Berit; Peltoniemi, Suvi; Rygg, Marite; Zak, Marek; Berntson, Lillemor (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-02-22)
      Background<br> To study the impact of psoriasis and features associated with psoriasis on classification and outcome in a population-based follow-up cohort of children with juvenile idiopathic arthritis (JIA).<p> Methods<br> In all, 440 children with JIA were followed for a median of 8 years in a prospective Nordic population-based cohort study. Data for remission was available for 427 of these ...
    • Transitioning patients with juvenile idiopathic arthritis to adult care: the Nordic experience 

      Mikola, Katriina; Rebane, Katariina; Arnstad, Ellen Dalen; Berntson, Lillemor; Fasth, Anders; Glerup, Mia; Herlin, Troels; Kautiainen, Hannu; Nielsen, Susan; Nordal, Ellen Berit; Peltoniemi, Suvi; Rygg, Marite; Rypdal, Veronika; Zak, Marek; Aalto, Kristiina (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-01)
      Background: With juvenile idiopathic arthritis (JIA), there are several protocols and practices used worldwide for the transition from paediatric to adult care. In this study, we examined the transferral rates and disease activity after transition, as well as the disease- and health-related outcomes. We also introduce the transition practices employed in the Nordic countries.<p> <p>Methods: The ...
    • Uveitis in Juvenile Idiopathic Arthritis 18-Year Outcome in the Population-based Nordic Cohort Study 

      Rypdal, Veronika Gjertsen; Glerup, Mia; Songstad, Nils Tomas; Bertelsen, Geir; Christoffersen, Terje; Arnstad, Ellen D.; Aalto, Kristiina; Berntson, Lillemor; Fasth, Anders; Herlin, Troels; Ekelund, Maria; Peltoniemi, Suvi; Toftedal, Peter; Nielsen, Susan; Leinonen, Sanna; Bangsgaard, Regitze; Nielsen, Rasmus; Rygg, Marite; Nordal, Ellen (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-08-28)
      <i>Purpose</i> - To assess the long-term outcome of uveitis in juvenile idiopathic arthritis (JIA).<p> <p><i>Design</i> - Population-based, multicenter, prospective JIA cohort, with a cross-sectional assessment of JIA-associated uveitis (JIA-U) 18 years after the onset of JIA.<p> <p><i>Participants</i> - A total of 434 patients with JIA, of whom 96 had uveitis, from defined geographic areas of ...