• Oral health in children and adolescents with juvenile idiopathic arthritis - a systematic review and meta-analysis 

      Skeie, Marit S.; Gil, Elisabeth G.; Cetrelli, Lena; Rosén, Annika; Fisher, Johannes; Åstrøm, Anne Nordrehaug; Luukko, Keijo; Shi, Xieqi; Feuerherm, Astrid J.; Sen, Abhijit; Frid, Paula; Rygg, Marite; Bletsa, Athanasia (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-12-19)
      <i>Background</i> - Observational studies examining the association between oral health and juvenile idiopathic arthritis (JIA) among children and adolescents have reported inconsistent findings. The aims of this systematic review and meta-analysis were to ascertain a potential difference in oral health and oral health-related quality of life (OHRQoL) among children and adolescents with JIA and ...
    • Oral health-related quality of life in 4-16-year-olds with and without juvenile idiopathic arthritis 

      Gil, Elisabeth Grut; Skeie, Marit Slåttelid; Halbig, Josefine Mareile; Jönsson, Birgitta; Lie, Stein Atle; Rygg, Marite; Fischer, Johannes Maria; Rosén, Annika; Bletsa, Athanasia; Luukko, Keijo; Shi, Xie-Qi; Frid, Paula Hanna Therese; Cetrelli, Lena Elisabet; Tylleskär, Karin; Rosendahl, Karen; Åstrøm, Anne-Kristine N (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-06)
      Background: Few studies have investigated oral health-related quality of life (OHRQoL) in young individuals with juvenile idiopathic arthritis (JIA). Aims were to investigate whether OHRQoL difers between children and adolescents with JIA compared to controls without JIA, while adjusting for socio-demographic-, behavioral- and oral healthrelated covariates. Furthermore, to explore whether socio-behavioral ...
    • Oral health-related quality of life, impaired physical health and orofacial pain in children and adolescents with juvenile idiopathic arthritis – a prospective multicenter cohort study 

      Halbig, Josefine Mareile; Jönsson, Birgitta; Gil, Elisabeth Grut; Åstrøm, Anne-Kristine N; Rypdal, Veronika Gjertsen; Frid, Paula Hanna Therese; Augdal, Thomas Angell; Fischer, Johannes Maria; Cetrelli, Lena Elisabet; Rygg, Marite; Lundestad, Anette; Tylleskär, Karin Birgitta; Nordal, Ellen Berit (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-11-20)
      Background - Knowledge on oral health-related quality of life (OHRQoL) in children and adolescents with juvenile idiopathic arthritis (JIA) is limited, and longitudinal studies are lacking. We aimed to describe OHRQoL in children and adolescents with JIA compared to controls, and to explore the validity and internal consistency of the Early Childhood Oral Health Impact Scale (ECOHIS) and the Child ...
    • 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 ...
    • Prevalence of temporomandibular disorder in children and adolescents with juvenile idiopathic arthritis – a Norwegian cross- sectional multicentre study 

      Fischer, Johannes Maria; Skeie, Marit Slåttelid; Rosendahl, Karen; Tylleskär, Karin; Lie, Stein Atle; Shi, Xie-Qi; Gil, Elisabeth Grut; Cetrelli, Lena Elisabet; Halbig, Josefine Mareile; Marti, Larissa von Wangenheim; Rygg, Marite; Frid, Paula; Stoustrup, Peter; Rosén, Annika (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-13)
      <i>Background</i> - Children and adolescents with juvenile idiopathic arthritis (JIA) may suffer pain from temporomandibular disorder (TMD). Still, routines for the assessment of temporomandibular joint (TMJ) pain in health and dental care are lacking. The aims of this study were to examine the prevalence of TMD in children and adolescents with JIA compared to their healthy peers and to investigate ...
    • 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 ...
    • Pulmonary manifestations and progression of lung disease in juvenile-onset mixed connective tissue disease 

      Hetlevik, Siri Opsahl; Flatø, Berit; Aaløkken, Trond Mogens; Samersaw-Lund, May Brit; Reiseter, Silje; Mynarek, Georg; Nordal, Ellen Berit; Rygg, Marite; Lilleby, Vibke (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-01)
      <i>Objective</i> - To assess the occurrence and extent of interstitial lung disease (ILD) in patients with juvenile mixed connective tissue disease (JMCTD), compare pulmonary function in patients and matched controls, study associations between ILD and disease-related variables, and examine progression of pulmonary manifestations over time.<p> <p><i>Methods</i> - A cohort of 52 patients with JMCTD ...
    • Real-world comparison of the effects of etanercept and adalimumab on well-being in non-systemic juvenile idiopathic arthritis: a propensity score matched cohort study 

      van Straalen, Joeri W.; de Roock, Sytze; Giancane, Gabriella; Consolaro, Alessandro; Rygg, Marite; Nordal, Ellen Berit; Rubio-Pérez, Nadina; Jelusic, Marija; De Inocencio, Jaime; Vojinovic, Jelena; Wulffraat, Nico M.; Bruijning-Verhagen, Patricia C. J.; Ruperto, Nicolino; Swart, Joost F. (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-11-14)
      Background: Etanercept (ETN) and adalimumab (ADA) are considered equally efective biologicals in the treat‑ ment of arthritis in juvenile idiopathic arthritis (JIA) but no studies have compared their impact on patient-reported well-being. The objective of this study was to determine whether ETN and ADA have a diferential efect on patientreported well-being in non-systemic JIA using real-world ...
    • 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 ...
    • Validation of prediction models of severe disease course and non-achievement of remission in juvenile idiopathic arthritis: part 1—results of the Canadian model in the Nordic cohort 

      Rypdal, Veronika Gjertsen; Guzman, Jaime; Henrey, A; Loughin, T; Glerup, Mia; Arnstad, Ellen Dalen; Aalto, Kristiina; Rygg, Marite; Nielsen, Susan M.; Herlin, Troels; Fasth, Anders; Berntson, Lillemor; Rypdal, Martin Wibe; Nordal, Ellen Berit (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-12-05)
      <i>Background</i> - Models to predict disease course and long-term outcome based on clinical characteristics at disease onset may guide early treatment strategies in juvenile idiopathic arthritis (JIA). Before a prediction model can be recommended for use in clinical practice, it needs to be validated in a different cohort than the one used for building the model. The aim of the current study was ...
    • Vitamin D, oral health, and disease characteristics in juvenile idiopathic arthritis: a multicenter cross-sectional study 

      Cetrelli, Lena Elisabet; Bletsa, Athanasia; Lundestad, Anette; Gil, Elisabeth Grut; Fischer, Johannes Maria; Halbig, Josefine Mareile; Frid, Paula Hanna Therese; Angenete, Oskar W; Lien, Ingrid Lillevoll; Rosén, Annika; Tylleskär, Karin; Luukko, Keijo; Nordal, Ellen Berit; Åstrøm, Anne-Kristine N; Skeie, Marit Slåttelid; Feuerherm, Astrid Jullumstrø; Sen, Abhijit; Rygg, Marite (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-08)
      Background: Vitamin D defciency has been associated with autoimmune diseases and oral health. Knowledge about the association between vitamin D status and oral conditions in JIA is limited. We aimed to investigate vitamin D status in a cohort of Norwegian children and adolescents with JIA and possible associations between serum vitamin D levels, clinical indicators of oral health, and JIA disease ...