Epidemiology and outcomes in rheumatic diseases Publications

Publications 2025

1. Berger SG, Berntsen KS, Risum K, Marstein HS, Sjaastad I, Stokke MK, Sanner H (2025)
   Predictors of persistent active disease and the longitudinal development of organ damage, patient-reported outcomes and autoantibodies in long-term juvenile dermatomyositis
   RMD Open, 11 (2)
   DOI 10.1136/rmdopen-2025-005598, PubMed 40480648
2. Dåstøl VØ, Haftorn KL, Rudsari HK, Jaholkowski PP, Størdal K, Håberg SE, Weinberg CR, Rider LG, Andreassen OA, Brantsæter AL, Caspersen IH, Sanner H (2025)
   Maternal seafood intake, dietary contaminant exposure, and risk of juvenile idiopathic arthritis: exploring gene-environment interactions
   Front Immunol, 15, 1523990
   DOI 10.3389/fimmu.2024.1523990, PubMed 39877361
3. Fominykh V, Shadrin AA, Jaholkowski P, Fuhrer J, Parker N, Wiström ED, Frei O, Smeland OB, Sanner H, Djurovic S, Andreassen OA (2025)
   Mapping the genetic landscape of immune-mediated disorders: potential implications for classification and therapeutic strategies
   Front Immunol, 16, 1543781
   DOI 10.3389/fimmu.2025.1543781, PubMed 40406108
4. Fure M, Risum K, Fauske L, Eik H (2025)
   "I am trapped in my body": a qualitative exploration of bodily experiences during brace treatment among adolescents with idiopathic scoliosis
   Int J Qual Stud Health Well-being, 20 (1), 2569615
   DOI 10.1080/17482631.2025.2569615, PubMed 41069108
5. Haftorn KL, Rudsari HK, Jaholkowski PP, Dåstøl VØ, Hestetun SV, Andreassen OA, Weinberg CR, Sanner H (2025)
   Nonlinearity and sex differences in the performance of a polygenic risk score for juvenile idiopathic arthritis
   Front Immunol, 16, 1531390
   DOI 10.3389/fimmu.2025.1531390, PubMed 40486524
6. Lorentsen JLL, Brunborg C, Aasebø AT, Valeur J, Haavardsholm EA, Molberg Ø, Palm Ø, Lerang K (2025)
   Incidence and prevalence of Behçet's disease in Oslo, Norway: a two-decade population-based analysis
   Rheumatology (Oxford), 64 (8), 4703-4712
   DOI 10.1093/rheumatology/keaf224, PubMed 40279276
7. Moe SR, Haukeland H, Brunborg C, Botea A, Damjanic N, Wivestad GÅ, Øvreås HK, Bøe TB, Orre A, Torhild G, Provan SA, Molberg Ø, Lerang K (2025)
   Accrual of thromboembolic events and antiphospholipid syndrome in new-onset systemic lupus erythematosus: a population-based inception cohort study
   RMD Open, 11 (3)
   DOI 10.1136/rmdopen-2025-005795, PubMed 40903053
8. Ravelli A, Rosina S, MacMahon JM, Baird T, Rebollo-Giménez AI, Hinze C, McCann LJ, Reed AM, Rider LG, Arvigo M, Bader-Meunier B, Bruno C, Caifeng L, Campanilho-Marques R, Cuccato S, Fiorillo C, Hahn NA, Huber AM, Jansen M, Kasapcopur O, Katsikas MM, Kim S, Livermore P, Maillard S, Malattia C et al. (2025)
   Treating juvenile dermatomyositis to target: Paediatric Rheumatology European Society/Childhood Arthritis and Rheumatology Research Alliance-endorsed recommendations from an international task force
   Ann Rheum Dis, 84 (7), 1055-1067
   DOI 10.1016/j.ard.2025.04.024, PubMed 40410052
9. Risum K, Olarescu NC, Godang K, Marstein HS, Bollerslev J, Sanner H (2025)
   Visceral adipose tissue is related to interleukin 6 and resistin in juvenile idiopathic arthritis - a case-control study
   Rheumatol Int, 45 (3), 63
   DOI 10.1007/s00296-025-05820-8, PubMed 40085146
10. Sherman MA, Nicolai R, Datyner EK, Rosina S, Hamilton A, Ardalan K, Bader-Meunier B, Brown AG, Jansen MHA, Kim S, Lang B, Campanilho-Marques R, McCann LJ, Sanner H, Veldkamp SR, Wilkinson MGL, Yi BY, Kim H, Tarvin SE, Papadopoulou C, (2025)
    Approach to Janus kinase inhibition for juvenile dermatomyositis among CARRA and PReS providers
    Rheumatology (Oxford), 64 (8), 4732-4737
    DOI 10.1093/rheumatology/keaf086, PubMed 39928372
11. Valen Hestetun S, Løkås Haftorn K, Størdal K, Sanner H (2025)
    Reply
    Arthritis Rheumatol (in press)
    DOI 10.1002/art.43239, PubMed 40386885

Publications 2024

1. Bolla E, Semb AG, Kerola AM, Ikdahl E, Petri M, Pons-Estel GJ, Karpouzas GA, Sfikakis PP, Quintana R, Misra DP, Borba EF, Garcia-de la Torre I, Popkova TV, Artim-Esen B, Troldborg A, Fragoso-Loyo H, Ajeganova S, Yazici A, Aroca-Martinez G, Direskeneli H, Ugarte-Gil MF, Mosca M, Goyal M, Svenungsson E, Macieira C et al. (2024)
   Prevalence and target attainment of traditional cardiovascular risk factors in patients with systemic lupus erythematosus: a cross-sectional study including 3401 individuals from 24 countries
   Lancet Rheumatol, 6 (7), e447-e459
   DOI 10.1016/S2665-9913(24)00090-0, PubMed 38878780
2. Essouma M, de Araujo DB, Day J, Conticini E, Riopel MA, Elias AM, Paula VT, Omori CH, Guimarães JB, Gibson D, Saad-Magalhaes C, Appenzeller S, Schiffenbauer A, Machado PM, Feldman BM, Paik JJ, Christopher-Stine L, Rider LG, Reed A, van der Kooi AJ, Marrani E, Naddaf E, Kirkhus E, Sanner H, Bauer-Ventura I et al. (2024)
   A protocol for scoping reviews on the role of whole-body and dedicated body-part magnetic resonance imaging for assessment of adult and juvenile idiopathic inflammatory myopathies
   Rheumatol Int, 44 (11), 2403-2409
   DOI 10.1007/s00296-024-05649-7, PubMed 38976028
3. Haukeland H, Moe SR, Brunborg C, Botea A, Damjanic N, Wivestad GÅ, Øvreås HK, Bøe TB, Orre A, Garen T, Molberg Ø, Lerang K (2024)
   Declining Incidence of Systemic Lupus Erythematosus in Norway 1999-2017: Data From a Population Cohort Identified by International Classification of Diseases, 10th Revision Code and Verified by Classification
   Arthritis Rheumatol, 76 (5), 715-725
   DOI 10.1002/art.42775, PubMed 38108106
4. Haukeland H, Moe SR, Brunborg C, Botea A, Damjanic N, Wivestad GÅ, Øvreås HK, Bøe TB, Orre A, Torhild G, Sanner H, Lerang K, Molberg Ø (2024)
   Sensitivity of classification criteria from time of diagnosis in an incident systemic lupus erythematosus cohort: a population-based study from Norway
   RMD Open, 10 (3)
   DOI 10.1136/rmdopen-2024-004395, PubMed 39160088
5. Hestetun SV, Rudsari HK, Jaholkowski P, Shadrin A, Haftorn KL, Andersen S, Rygg M, Nordal E, Frei O, Andreassen OA, Selvaag AM, Størdal K, Sanner H (2024)
   Incidence and Genetic Risk of Juvenile Idiopathic Arthritis in Norway by Latitude
   Arthritis Rheumatol, 77 (4), 458-467
   DOI 10.1002/art.43040, PubMed 39431377
6. Moe SR, Haukeland H, Brunborg C, Botea A, Damjanic N, Wivestad GÅ, Øvreås H, Bøe T, Orre A, Garen T, Lilleby V, Provan SA, Molberg Ø, Lerang K (2024)
   Persisting mortality gap in systemic lupus erythematosus; a population-based study on juvenile- and adult-onset SLE in Norway 1999-2022
   Rheumatology (Oxford), 63 (8), 2109-2117
   DOI 10.1093/rheumatology/kead519, PubMed 37769251
7. Moe SR, Molberg Ø, Haukeland H, Lerang K (2024)
   Reply
   Arthritis Rheumatol, 77 (4), 492
   DOI 10.1002/art.43031, PubMed 39415494

Publications 2023

1. Berger SG, Witczak BN, Reiseter S, Schwartz T, Andersson H, Hetlevik SO, Berntsen KS, Sanner H, Lilleby V, Gunnarsson R, Molberg Ø, Sjaastad I, Stokke MK (2023)
   Cardiac dysfunction in mixed connective tissue disease: a nationwide observational study
   Rheumatol Int, 43 (6), 1055-1065
   DOI 10.1007/s00296-023-05308-3, PubMed 36933069
2. Hedenstedt A, Reid S, Sayadi A, Eloranta ML, Skoglund E, Bolin K, Frodlund M, Lerang K, Jönsen A, Rantapää-Dahlqvist S, Bengtsson AA, Rudin A, Molberg Ø, Sjöwall C, Sandling JK, Leonard D (2023)
   B cell polygenic risk scores associate with anti-dsDNA antibodies and nephritis in systemic lupus erythematosus
   Lupus Sci Med, 10 (2)
   DOI 10.1136/lupus-2023-000926, PubMed 37844960
3. Hestetun S, Andersen S, Sanner H, Størdal K (2023)
   Antibiotic exposure in prenatal and early life and risk of juvenile idiopathic arthritis: a nationwide register-based cohort study
   RMD Open, 9 (3)
   DOI 10.1136/rmdopen-2023-003333, PubMed 37648397
4. Marstein HS, Witczak BN, Godang K, Olarescu NC, Schwartz T, Flatø B, Molberg Ø, Bollerslev J, Sjaastad I, Sanner H (2023)
   Adipokine profile in long-term juvenile dermatomyositis, and associations with adipose tissue distribution and cardiac function: a cross-sectional study
   RMD Open, 9 (1)
   DOI 10.1136/rmdopen-2022-002815, PubMed 36828644
5. Marstein HS, Witczak BN, Godang K, Schwartz T, Flatø B, Bollerslev J, Sjaastad I, Sanner H (2023)
   Adipose tissue distribution is associated with cardio-metabolic alterations in adult patients with juvenile-onset dermatomyositis
   Rheumatology (Oxford), 62 (SI2), SI196-SI204
   DOI 10.1093/rheumatology/keac293, PubMed 35575380

Publications 2022

1. Deakin CT, Bowes J, Rider LG, Miller FW, Pachman LM, Sanner H, Rouster-Stevens K, Mamyrova G, Curiel R, Feldman BM, Huber AM, Reed AM, Schmeling H, Cook CG, Marshall LR, Ll Wilkinson MG, Eyre S, Raychaudhuri S, Wedderburn LR, Juvenile Dermatomyositis Cohort and Biomarker Study, the Childhood Myositis Heterogeneity Study Group, and the Myositis Genetics Consortium (MYOGEN) (2022)
   Association with HLA-DRβ1 position 37 distinguishes juvenile dermatomyositis from adult-onset myositis
   Hum Mol Genet, 31 (14), 2471-2481
   DOI 10.1093/hmg/ddac019, PubMed 35094092
2. Giancane G, Papa R, Vastert S, Bagnasco F, Swart JF, Quartier P, Antón J, Kamphuis S, Sanner H, Glerup M, De Benedetti F, Tsitsami E, Remesal A, Moreno E, De Inocencio J, Myrup C, Pallotti C, Koné-Paut I, Franck-Larsson K, Malmström H, Cederholm S, Pistorio A, Wulffraat N, Ruperto N, Paediatric Rheumatology International Trials Organisation (PRINTO) (2022)
   Anakinra in Patients With Systemic Juvenile Idiopathic Arthritis: Long-term Safety From the Pharmachild Registry
   J Rheumatol, 49 (4), 398-407
   DOI 10.3899/jrheum.210563, PubMed 35105709
3. Mariette X, Barone F, Baldini C, Bootsma H, Clark KL, De Vita S, Gardner DH, Henderson RB, Herdman M, Lerang K, Mistry P, Punwaney R, Seror R, Stone J, van Daele P, van Maurik A, Wisniacki N, Roth DA, Tak PP (2022)
   A randomized, phase II study of sequential belimumab and rituximab in primary Sjögren's syndrome
   JCI Insight, 7 (23)
   DOI 10.1172/jci.insight.163030, PubMed 36477362
4. Saevarsdottir S, Stefansdottir L, Sulem P, Thorleifsson G, Ferkingstad E, Rutsdottir G, Glintborg B, Westerlind H, Grondal G, Loft IC, Sorensen SB, Lie BA, Brink M, Ärlestig L, Arnthorsson AO, Baecklund E, Banasik K, Bank S, Bjorkman LI, Ellingsen T, Erikstrup C, Frei O, Gjertsson I, Gudbjartsson DF, Gudjonsson SA et al. (2022)
   Multiomics analysis of rheumatoid arthritis yields sequence variants that have large effects on risk of the seropositive subset
   Ann Rheum Dis, 81 (8), 1085-1095
   DOI 10.1136/annrheumdis-2021-221754, PubMed 35470158
5. Tollisen A, Selvaag AM, Aasland A, Ingebrigtsen T, Sagen J, Lerdal A, Flatø B (2022)
   Personally Generated Quality of Life Outcomes in Adults With Juvenile Idiopathic Arthritis
   J Rheumatol, 49 (10), 1138-1145
   DOI 10.3899/jrheum.211245, PubMed 35569834
6. van Dijkhuizen EHP, Ridella F, Naddei R, Trincianti C, Avrusin I, Mazzoni M, Sutera D, Ayaz NA, Penades IC, Constantin T, Herlin T, Oliveira SK, Rygg M, Sanner H, Susic G, Sztajnbok F, Varbanova B, Ruperto N, Ravelli A, Consolaro A, Paediatric Rheumatology International Trials Organisation (PRINTO) (2022)
   Validity and Reliability of Four Parent/Patient-Reported Outcome Measures for Juvenile Idiopathic Arthritis Remote Monitoring
   Arthritis Care Res (Hoboken), 75 (2), 391-400
   DOI 10.1002/acr.24855, PubMed 35015379
7. Witczak BN, Bollerslev J, Godang K, Schwartz T, Flatø B, Molberg Ø, Sjaastad I, Sanner H (2022)
   Body composition in long-standing juvenile dermatomyositis: associations with disease activity, muscle strength and cardiometabolic measures
   Rheumatology (Oxford), 61 (7), 2959-2968
   DOI 10.1093/rheumatology/keab805, PubMed 34718443
8. Witczak BN, Schwartz T, Barth Z, Taraldsrud E, Lund MB, Aaløkken TM, Flatø B, Sjaastad I, Sanner H (2022)
   Associations between cardiac and pulmonary involvement in patients with juvenile dermatomyositis-a cross-sectional study
   Rheumatol Int, 42 (7), 1213-1220
   DOI 10.1007/s00296-021-05071-3, PubMed 34984516

Publications 2021

1. Bolin K, Imgenberg-Kreuz J, Leonard D, Sandling JK, Alexsson A, Pucholt P, Haarhaus ML, Almlöf JC, Nititham J, Jönsen A, Sjöwall C, Bengtsson AA, Rantapää-Dahlqvist S, Svenungsson E, Gunnarsson I, Syvänen AC, Lerang K, Troldborg A, Voss A, Molberg Ø, Jacobsen S, Criswell L, Rönnblom L, Nordmark G (2021)
   Variants in BANK1 are associated with lupus nephritis of European ancestry
   Genes Immun, 22 (3), 194-202
   DOI 10.1038/s41435-021-00142-8, PubMed 34127828
2. Marstein HS, Godang K, Flatø B, Sjaastad I, Bollerslev J, Sanner H (2021)
   Bone mineral density and explanatory factors in children and adults with juvenile dermatomyositis at long term follow-up; a cross sectional study
   Pediatr Rheumatol Online J, 19 (1), 56
   DOI 10.1186/s12969-021-00543-z, PubMed 33902632
3. Reid S, Hagberg N, Sandling JK, Alexsson A, Pucholt P, Sjöwall C, Lerang K, Jönsen A, Gunnarsson I, Syvänen AC, Troldborg AM, Voss A, Bengtsson AA, Molberg Ø, Jacobsen S, Svenungsson E, Rönnblom L, Leonard D (2021)
   Interaction between the STAT4 rs11889341(T) risk allele and smoking confers increased risk of myocardial infarction and nephritis in patients with systemic lupus erythematosus
   Ann Rheum Dis, 80 (9), 1183-1189
   DOI 10.1136/annrheumdis-2020-219727, PubMed 33766895
4. Reppe Moe S, Haukeland H, Molberg Ø, Lerang K (2021)
   Long-Term Outcome in Systemic Lupus Erythematosus; Knowledge from Population-Based Cohorts
   J Clin Med, 10 (19)
   DOI 10.3390/jcm10194306, PubMed 34640322
5. Tollisen A, Flatø B, Selvaag AM, Aasland A, Ingebrigtsen T, Sagen J, Lerdal A (2021)
   Treatment Satisfaction With and Adherence to Disease-Modifying Antirheumatic Drugs in Adult Patients With Juvenile Idiopathic Arthritis
   Arthritis Care Res (Hoboken), 73 (2), 221-231
   DOI 10.1002/acr.24113, PubMed 31758669

Publications 2020

1. Berntsen KS, Raastad T, Marstein H, Kirkhus E, Merckoll E, Cumming KT, Flatø B, Sjaastad I, Sanner H (2020)
   Functional and Structural Adaptations of Skeletal Muscle in Long-Term Juvenile Dermatomyositis: A Controlled Cross-Sectional Study
   Arthritis Rheumatol, 72 (5), 837-848
   DOI 10.1002/art.41174, PubMed 31746550
2. Giancane G, Swart JF, Castagnola E, Groll AH, Horneff G, Huppertz HI, Lovell DJ, Wolfs T, Herlin T, Dolezalova P, Sanner H, Susic G, Sztajnbok F, Maritsi D, Constantin T, Vargova V, Sawhney S, Rygg M, K Oliveira S, Cattalini M, Bovis F, Bagnasco F, Pistorio A, Martini A, Wulffraat N et al. (2020)
   Opportunistic infections in immunosuppressed patients with juvenile idiopathic arthritis: analysis by the Pharmachild Safety Adjudication Committee
   Arthritis Res Ther, 22 (1), 71
   DOI 10.1186/s13075-020-02167-2, PubMed 32264969
3. Marstein H, Schwartz T, Aaløkken TM, Lund MB, Flatø B, Sjaastad I, Sanner H (2020)
   Novel associations between cytokines and pulmonary involvement in juvenile dermatomyositis - a cross-sectional study of long-term disease
   Rheumatology (Oxford), 59 (8), 1862-1870
   DOI 10.1093/rheumatology/kez531, PubMed 31740970
4. Sandling JK, Pucholt P, Hultin Rosenberg L, Farias FHG, Kozyrev SV, Eloranta ML, Alexsson A, Bianchi M, Padyukov L, Bengtsson C, Jonsson R, Omdal R, Lie BA, Massarenti L, Steffensen R, Jakobsen MA, Lillevang ST, ImmunoArray Development Consortium and DISSECT consortium, Lerang K, Molberg Ø, Voss A, Troldborg A, Jacobsen S, Syvänen AC, Jönsen A et al. (2020)
   Molecular pathways in patients with systemic lupus erythematosus revealed by gene-centred DNA sequencing
   Ann Rheum Dis, 80 (1), 109-117
   DOI 10.1136/annrheumdis-2020-218636, PubMed 33037003

Publications 2019

1. Barth Z, Schwartz T, Flatø B, Aaløkken TM, Koller A, Lund MB, Sjaastad I, Sanner H (2019)
   Association Between Nailfold Capillary Density and Pulmonary and Cardiac Involvement in Medium to Longstanding Juvenile Dermatomyositis
   Arthritis Care Res (Hoboken), 71 (4), 492-497
   DOI 10.1002/acr.23687, PubMed 29953739
2. Berntsen KS, Edvardsen E, Hansen BH, Flatø B, Sjaastad I, Sanner H (2019)
   Cardiorespiratory fitness in long-term juvenile dermatomyositis: a controlled, cross-sectional study of active/inactive disease
   Rheumatology (Oxford), 58 (3), 492-501
   DOI 10.1093/rheumatology/key342, PubMed 30508195
3. Blom KB, Bergo KK, Espe EKS, Rosseland V, Grøtta OJ, Mjøen G, Åsberg A, Bergan S, Sanner H, Bergersen TK, Bjørnerheim R, Skauby M, Seljeflot I, Waldum-Grevbo B, Dahle DO, Sjaastad I, Birkeland JA (2019)
   Cardiovascular rEmodelling in living kidNey donorS with reduced glomerular filtration rate: rationale and design of the CENS study
   Blood Press, 29 (2), 123-134
   DOI 10.1080/08037051.2019.1684817, PubMed 31718316
4. Garen T, Lerang K, Hoffmann-Vold AM, Andersson H, Midtvedt Ø, Brunborg C, Kilian K, Gudbrandsson B, Gunnarsson R, Norby G, Chaudhary A, Thoen J, Forseth KØ, Fresjar K, Førre Ø, Haugen M, Haga HJ, Gran JT, Gilboe IM, Molberg Ø, Palm Ø (2019)
   Mortality and causes of death across the systemic connective tissue diseases and the primary systemic vasculitides
   Rheumatology (Oxford), 58 (2), 313-320
   DOI 10.1093/rheumatology/key285, PubMed 30281089
5. Reppe Moe SE, Molberg Ø, Strøm EH, Lerang K (2019)
   Assessing the relative impact of lupus nephritis on mortality in a population-based systemic lupus erythematosus cohort
   Lupus, 28 (7), 818-825
   DOI 10.1177/0961203319847275, PubMed 31072277
6. Risum K, Edvardsen E, Godang K, Selvaag AM, Hansen BH, Molberg Ø, Bollerslev J, Holm I, Dagfinrud H, Sanner H (2019)
   Physical Fitness in Patients With Oligoarticular and Polyarticular Juvenile Idiopathic Arthritis Diagnosed in the Era of Biologics: A Controlled Cross-Sectional Study
   Arthritis Care Res (Hoboken), 71 (12), 1611-1620
   DOI 10.1002/acr.23818, PubMed 30474929
7. Risum K, Edvardsen E, Selvaag AM, Dagfinrud H, Sanner H (2019)
   Measurement properties and performance of an eight-minute submaximal treadmill test in patients with juvenile idiopathic arthritis: a controlled study
   Pediatr Rheumatol Online J, 17 (1), 14
   DOI 10.1186/s12969-019-0316-7, PubMed 30961626
8. Tollisen A, Selvaag AM, Aasland A, Lerdal A, Flatø B (2019)
   Longitudinal Health Status from Early Disease to Adulthood and Associated Prognostic Factors in Juvenile Idiopathic Arthritis
   J Rheumatol, 46 (10), 1335-1344
   DOI 10.3899/jrheum.180948, PubMed 30877211
9. Witczak BN, Hetlevik SO, Sanner H, Barth Z, Schwartz T, Flatø B, Lilleby V, Sjaastad I (2019)
   Effect on Cardiac Function of Longstanding Juvenile-onset Mixed Connective Tissue Disease: A Controlled Study
   J Rheumatol, 46 (7), 739-747
   DOI 10.3899/jrheum.180526, PubMed 30877222

Publications 2018

1. Aulie HA, Estensen ME, Selvaag AM, Lilleby V, Flatø B, Aakhus S (2018)
   Arterial properties in adults with long-lasting active juvenile idiopathic arthritis compared to healthy controls
   Pediatr Rheumatol Online J, 16 (1), 85
   DOI 10.1186/s12969-018-0302-5, PubMed 30594204
2. Barth Z, Witczak BN, Flatø B, Koller A, Sjaastad I, Sanner H (2018)
   Assessment of Microvascular Abnormalities by Nailfold Capillaroscopy in Juvenile Dermatomyositis After Medium- to Long-Term Followup
   Arthritis Care Res (Hoboken), 70 (5), 768-776
   DOI 10.1002/acr.23338, PubMed 28805016
3. Risum K, Hansen BH, Selvaag AM, Molberg Ø, Dagfinrud H, Sanner H (2018)
   Physical activity in patients with oligo- and polyarticular juvenile idiopathic arthritis diagnosed in the era of biologics: a controlled cross-sectional study
   Pediatr Rheumatol Online J, 16 (1), 64
   DOI 10.1186/s12969-018-0281-6, PubMed 30333025
4. Tollisen A, Selvaag AM, Aulie HA, Lilleby V, Aasland A, Lerdal A, Flatø B (2018)
   Physical Functioning, Pain, and Health-Related Quality of Life in Adults With Juvenile Idiopathic Arthritis: A Longitudinal 30-Year Followup Study
   Arthritis Care Res (Hoboken), 70 (5), 741-749
   DOI 10.1002/acr.23327, PubMed 28732134

Publications 2017

1. Berntsen KS, Tollisen A, Schwartz T, Kirkhus E, Aaløkken TM, Lund MB, Flatø B, Sjaastad I, Sanner H (2017)
   Submaximal Exercise Capacity in Juvenile Dermatomyositis after Longterm Disease: The Contribution of Muscle, Lung, and Heart Involvement
   J Rheumatol, 44 (6), 827-834
   DOI 10.3899/jrheum.160997, PubMed 28365577
2. Bottai M, Tjärnlund A, Santoni G, Werth VP, Pilkington C, de Visser M, Alfredsson L, Amato AA, Barohn RJ, Liang MH, Singh JA, Aggarwal R, Arnardottir S, Chinoy H, Cooper RG, Danko K, Dimachkie MM, Feldman BM, García-De La Torre I, Gordon P, Hayashi T, Katz JD, Kohsaka H, Lachenbruch PA, Lang BA et al. (2017)
   EULAR/ACR classification criteria for adult and juvenile idiopathic inflammatory myopathies and their major subgroups: a methodology report
   RMD Open, 3 (2), e000507
   DOI 10.1136/rmdopen-2017-000507, PubMed 29177080
3. Gudbrandsson B, Molberg Ø, Palm Ø (2017)
   TNF inhibitors appear to inhibit disease progression and improve outcome in Takayasu arteritis; an observational, population-based time trend study
   Arthritis Res Ther, 19 (1), 99
   DOI 10.1186/s13075-017-1316-y, PubMed 28521841
4. Gudbrandsson B, Wallenius M, Garen T, Henriksen T, Molberg Ø, Palm Ø (2017)
   Takayasu Arteritis and Pregnancy: A Population-Based Study on Outcomes and Mother/Child-Related Concerns
   Arthritis Care Res (Hoboken), 69 (9), 1384-1390
   DOI 10.1002/acr.23146, PubMed 27813289
5. Lundberg IE, Tjärnlund A, Bottai M, Werth VP, Pilkington C, de Visser M, Alfredsson L, Amato AA, Barohn RJ, Liang MH, Singh JA, Aggarwal R, Arnardottir S, Chinoy H, Cooper RG, Dankó K, Dimachkie MM, Feldman BM, Garcia-De La Torre I, Gordon P, Hayashi T, Katz JD, Kohsaka H, Lachenbruch PA, Lang BA et al. (2017)
   2017 European League Against Rheumatism/American College of Rheumatology Classification Criteria for Adult and Juvenile Idiopathic Inflammatory Myopathies and Their Major Subgroups
   Arthritis Rheumatol, 69 (12), 2271-2282
   DOI 10.1002/art.40320, PubMed 29106061
6. Lundberg IE, Tjärnlund A, Bottai M, Werth VP, Pilkington C, Visser M, Alfredsson L, Amato AA, Barohn RJ, Liang MH, Singh JA, Aggarwal R, Arnardottir S, Chinoy H, Cooper RG, Dankó K, Dimachkie MM, Feldman BM, Torre IG, Gordon P, Hayashi T, Katz JD, Kohsaka H, Lachenbruch PA, Lang BA et al. (2017)
   2017 European League Against Rheumatism/American College of Rheumatology classification criteria for adult and juvenile idiopathic inflammatory myopathies and their major subgroups
   Ann Rheum Dis, 76 (12), 1955-1964
   DOI 10.1136/annrheumdis-2017-211468, PubMed 29079590
7. Minoia F, Bovis F, Davì S, Insalaco A, Lehmberg K, Shenoi S, Weitzman S, Espada G, Gao YJ, Anton J, Kitoh T, Kasapcopur O, Sanner H, Merino R, Astigarraga I, Alessio M, Jeng M, Chasnyk V, Nichols KE, Huasong Z, Li C, Micalizzi C, Ruperto N, Martini A, Cron RQ et al. (2017)
   Development and Initial Validation of the Macrophage Activation Syndrome/Primary Hemophagocytic Lymphohistiocytosis Score, a Diagnostic Tool that Differentiates Primary Hemophagocytic Lymphohistiocytosis from Macrophage Activation Syndrome
   J Pediatr, 189, 72-78.e3
   DOI 10.1016/j.jpeds.2017.06.005, PubMed 28807357
8. Roth J, Ravagnani V, Backhaus M, Balint P, Bruns A, Bruyn GA, Collado P, De la Cruz L, Guillaume-Czitrom S, Herlin T, Hernandez C, Iagnocco A, Jousse-Joulin S, Lanni S, Lilleby V, Malattia C, Magni-Manzoni S, Modesto C, Rodriguez A, Nieto JC, Ohrndorf S, Rossi-Semerano L, Selvaag AM, Swen N, Ting TV et al. (2017)
   Preliminary Definitions for the Sonographic Features of Synovitis in Children
   Arthritis Care Res (Hoboken), 69 (8), 1217-1223
   DOI 10.1002/acr.23130, PubMed 27748074
9. Selvaag AM, Kirkhus E, Törnqvist L, Lilleby V, Aulie HA, Flatø B (2017)
   Radiographic damage in hands and wrists of patients with juvenile idiopathic arthritis after 29 years of disease duration
   Pediatr Rheumatol Online J, 15 (1), 20
   DOI 10.1186/s12969-017-0151-7, PubMed 28399930

Publications 2016

1. Gudbrandsson B, Molberg Ø, Garen T, Palm Ø (2016)
   Prevalence, Incidence, and Disease Characteristics of Takayasu Arteritis by Ethnic Background: Data From a Large, Population-Based Cohort Resident in Southern Norway
   Arthritis Care Res (Hoboken), 69 (2), 278-285
   DOI 10.1002/acr.22931, PubMed 27159262
2. Schwartz T, Diederichsen LP, Lundberg IE, Sjaastad I, Sanner H (2016)
   Cardiac involvement in adult and juvenile idiopathic inflammatory myopathies
   RMD Open, 2 (2), e000291
   DOI 10.1136/rmdopen-2016-000291, PubMed 27752355

Publications 2015

1. Aulie HA, Estensen ME, Selvaag AM, Lilleby V, Murbraech K, Flatø B, Aakhus S (2015)
   Cardiac Function in Adult Patients with Juvenile Idiopathic Arthritis
   J Rheumatol, 42 (9), 1716-23
   DOI 10.3899/jrheum.141351, PubMed 26178287
2. Barth Z, Nomeland Witczak B, Schwartz T, Gjesdal K, Flatø B, Koller A, Sanner H, Sjaastad I (2015)
   In juvenile dermatomyositis, heart rate variability is reduced, and associated with both cardiac dysfunction and markers of inflammation: a cross-sectional study median 13.5 years after symptom onset
   Rheumatology (Oxford), 55 (3), 535-43
   DOI 10.1093/rheumatology/kev376, PubMed 26500284

Publications 2014

1. Aulie HA, Selvaag AM, Günther A, Lilleby V, Molberg Ø, Hartmann A, Holdaas H, Flatø B (2014)
   Arterial haemodynamics and coronary artery calcification in adult patients with juvenile idiopathic arthritis
   Ann Rheum Dis, 74 (8), 1515-21
   DOI 10.1136/annrheumdis-2013-204804, PubMed 24695010
2. Lerang K, Gilboe IM, Steinar Thelle D, Gran JT (2014)
   Mortality and years of potential life loss in systemic lupus erythematosus: a population-based cohort study
   Lupus, 23 (14), 1546-52
   DOI 10.1177/0961203314551083, PubMed 25209070
3. Lilleby V, Haydon J, Sanner H, Krossness BK, Ringstad G, Flatø B (2014)
   Severe macrophage activation syndrome and central nervous system involvement in juvenile dermatomyositis
   Scand J Rheumatol, 43 (2), 171-3
   DOI 10.3109/03009742.2013.863968, PubMed 24588361
4. Minoia F, Davì S, Horne A, Demirkaya E, Bovis F, Li C, Lehmberg K, Weitzman S, Insalaco A, Wouters C, Shenoi S, Espada G, Ozen S, Anton J, Khubchandani R, Russo R, Pal P, Kasapcopur O, Miettunen P, Maritsi D, Merino R, Shakoory B, Alessio M, Chasnyk V, Sanner H et al. (2014)
   Clinical features, treatment, and outcome of macrophage activation syndrome complicating systemic juvenile idiopathic arthritis: a multinational, multicenter study of 362 patients
   Arthritis Rheumatol, 66 (11), 3160-9
   DOI 10.1002/art.38802, PubMed 25077692
5. Sanner H, Schwartz T, Flatø B, Vistnes M, Christensen G, Sjaastad I (2014)
   Increased levels of eotaxin and MCP-1 in juvenile dermatomyositis median 16.8 years after disease onset; associations with disease activity, duration and organ damage
   PLoS One, 9 (3), e92171
   DOI 10.1371/journal.pone.0092171, PubMed 24647150
6. Sanner H, Sjaastad I, Flatø B (2014)
   Disease activity and prognostic factors in juvenile dermatomyositis: a long-term follow-up study applying the Paediatric Rheumatology International Trials Organization criteria for inactive disease and the myositis disease activity assessment tool
   Rheumatology (Oxford), 53 (9), 1578-85
   DOI 10.1093/rheumatology/keu146, PubMed 24692575
7. Schwartz T, Sjaastad I, Flatø B, Vistnes M, Christensen G, Sanner H (2014)
   In active juvenile dermatomyositis, elevated eotaxin and MCP-1 and cholesterol levels in the upper normal range are associated with cardiac dysfunction
   Rheumatology (Oxford), 53 (12), 2214-22
   DOI 10.1093/rheumatology/keu256, PubMed 24996906
8. Selvaag AM, Aulie HA, Lilleby V, Flatø B (2014)
   Disease progression into adulthood and predictors of long-term active disease in juvenile idiopathic arthritis
   Ann Rheum Dis, 75 (1), 190-5
   DOI 10.1136/annrheumdis-2014-206034, PubMed 25362042

Publications 2013

1. Schwartz T, Sanner H, Gjesdal O, Flatø B, Sjaastad I (2013)
   In juvenile dermatomyositis, cardiac systolic dysfunction is present after long-term follow-up and is predicted by sustained early skin activity
   Ann Rheum Dis, 73 (10), 1805-10
   DOI 10.1136/annrheumdis-2013-203279, PubMed 23881732

Publications 2012

1. Lerang K, Gilboe I, Garen T, Thelle DS, Gran JT (2012)
   High incidence and prevalence of systemic lupus erythematosus in Norway
   Lupus, 21 (12), 1362-9
   DOI 10.1177/0961203312458168, PubMed 22914817
2. Tollisen A, Sanner H, Flatø B, Wahl AK (2012)
   Quality of life in adults with juvenile-onset dermatomyositis: a case-control study
   Arthritis Care Res (Hoboken), 64 (7), 1020-7
   DOI 10.1002/acr.21637, PubMed 22328537

Publications 2011

1. Lerang K, Gilboe IM, Gran JT (2011)
   Differences between rheumatologists and other internists regarding diagnosis and treatment of systemic lupus erythematosus
   Rheumatology (Oxford), 51 (4), 663-9
   DOI 10.1093/rheumatology/ker318, PubMed 22157467
2. Schwartz T, Sanner H, Husebye T, Flatø B, Sjaastad I (2011)
   Cardiac dysfunction in juvenile dermatomyositis: a case-control study
   Ann Rheum Dis, 70 (5), 766-71
   DOI 10.1136/ard.2010.137968, PubMed 21216816

Publications 2010

1. Lien G, Ueland T, Godang K, Selvaag AM, Førre OT, Flatø B (2010)
   Serum levels of osteoprotegerin and receptor activator of nuclear factor -κB ligand in children with early juvenile idiopathic arthritis: a 2-year prospective controlled study
   Pediatr Rheumatol Online J, 8, 30
   DOI 10.1186/1546-0096-8-30, PubMed 21134287
2. Norby GE, Lerang K, Holdaas H, Gran JT, Strøm EH, Draganov B, Os I, Hartmann A, Gilboe IM (2010)
   [Lupus-nephritis--diagnosis and treatment]
   Tidsskr Nor Laegeforen, 130 (11), 1140-4
   DOI 10.4045/tidsskr.09.0583, PubMed 20531500
3. Sanner H, Kirkhus E, Merckoll E, Tollisen A, Røisland M, Lie BA, Taraldsrud E, Gran JT, Flatø B (2010)
   Long-term muscular outcome and predisposing and prognostic factors in juvenile dermatomyositis: A case-control study
   Arthritis Care Res (Hoboken), 62 (8), 1103-11
   DOI 10.1002/acr.20203, PubMed 20506141
4. Sanner H, Aaløkken TM, Gran JT, Sjaastad I, Johansen B, Flatø B (2010)
   Pulmonary outcome in juvenile dermatomyositis: a case-control study
   Ann Rheum Dis, 70 (1), 86-91
   DOI 10.1136/ard.2010.131433, PubMed 20805295

Publications 2009

1. Sanner H, Gran JT, Sjaastad I, Flatø B (2009)
   Cumulative organ damage and prognostic factors in juvenile dermatomyositis: a cross-sectional study median 16.8 years after symptom onset
   Rheumatology (Oxford), 48 (12), 1541-7
   DOI 10.1093/rheumatology/kep302, PubMed 19776224

Publications 2007

1. Lindner E, Nordang GB, Melum E, Flatø B, Selvaag AM, Thorsby E, Kvien TK, Førre OT, Lie BA (2007)
   Lack of association between the chemokine receptor 5 polymorphism CCR5delta32 in rheumatoid arthritis and juvenile idiopathic arthritis
   BMC Med Genet, 8, 33
   DOI 10.1186/1471-2350-8-33, PubMed 17565662
2. Viken MK, Sollid HD, Joner G, Dahl-Jørgensen K, Rønningen KS, Undlien DE, Flatø B, Selvaag AM, Førre Ø, Kvien TK, Thorsby E, Melms A, Tolosa E, Lie BA (2007)
   Polymorphisms in the cathepsin L2 (CTSL2) gene show association with type 1 diabetes and early-onset myasthenia gravis
   Hum Immunol, 68 (9), 748-55
   DOI 10.1016/j.humimm.2007.05.009, PubMed 17869649

Publications 2006

1. Selvaag AM, Flatø B, Dale K, Lien G, Vinje O, Smerdel-Ramoya A, Førre Ø (2006)
   Radiographic and clinical outcome in early juvenile rheumatoid arthritis and juvenile spondyloarthropathy: a 3-year prospective study
   J Rheumatol, 33 (7), 1382-91
   PubMed 16758503

Publications 2005

1. Lien G, Selvaag AM, Flatø B, Haugen M, Vinje O, Sørskaar D, Dale K, Egeland T, Førre Ø (2005)
   A two-year prospective controlled study of bone mass and bone turnover in children with early juvenile idiopathic arthritis
   Arthritis Rheum, 52 (3), 833-40
   DOI 10.1002/art.20963, PubMed 15751052
2. Selvaag AM, Lien G, Sørskaar D, Vinje O, Førre Ø, Flatø B (2005)
   Early disease course and predictors of disability in juvenile rheumatoid arthritis and juvenile spondyloarthropathy: a 3 year prospective study
   J Rheumatol, 32 (6), 1122-30
   PubMed 15940778

Publications 2004

1. Juliebø V, Lerang K, Skanke H, Mowé M, Wyller TB (2004)
   [A new delirium severity scale]
   Tidsskr Nor Laegeforen, 124 (17), 2276
   PubMed 15356704

Publications 2003

1. Selvaag AM, Flatø B, Lien G, Sørskaar D, Vinje O, Førre Ø (2003)
   Measuring health status in early juvenile idiopathic arthritis: determinants and responsiveness of the child health questionnaire
   J Rheumatol, 30 (7), 1602-10
   PubMed 12858465

Publications 2001

1. Fraser DA, Thoen J, Selvaag AM, Djøseland O, Førre O, Kjeldsen-Kragh J (2001)
   A preliminary study of circadian serum cortisol concentrations in response to a 72-hour fast in rheumatoid arthritis patients not previously treated with corticosteroids
   Clin Rheumatol, 20 (2), 85-7
   DOI 10.1007/s100670170075, PubMed 11346236
2. Selvaag AM, Ruperto N, Asplin L, Rygg M, Landgraf JM, Forre Ø, Flatø B, Paediatric Rheumatology International Trials Organisation (2001)
   The Norwegian version of the Childhood Health Assessment Questionnaire (CHAQ) and the Child Health Questionnaire (CHQ)
   Clin Exp Rheumatol, 19 (4 Suppl 23), S116-20
   PubMed 11510313