Publications 2025

Rustad CF, Bragadottir R, Nordgarden H, Miller JUU, Weedon-Fekjær MS, Arfa S, Åsten PM, Tveten K, von der Lippe C, Sigurdardottir S (2025)
Healthcare needs, care use and health status outcomes in adults with Bardet-Biedl syndrome: a cross-sectional study in Norway
BMJ Open, 15 (4), e095986
DOI 10.1136/bmjopen-2024-095986, PubMed 40262952

Rustad CF, Bragadottir R, Tveten K, Nordgarden H, Miller JU, Åsten PM, Vasconcelos G, Kulseth MA, Holla ØL, Olsen HG, von der Lippe C, Sigurdardottir S (2025)
Clinical and genetic aspects of Bardet-Biedl syndrome in adults in Norway
Orphanet J Rare Dis, 20 (1), 127
DOI 10.1186/s13023-025-03641-3, PubMed 40087798

Ullmann Miller J, Fauske L, Sigurdardottir S, Arfa S, von der Lippe C (2025)
'In the dark': parents' lifelong commitment to supporting children with Bardet-Biedl syndrome
Health Psychol Behav Med, 13 (1), 2467432
DOI 10.1080/21642850.2025.2467432, PubMed 39968158

Publications 2024

Mediå LM, Fauske L, Sigurdardottir S, Billaud Feragen KJ, Waehre A (2024)
Differences of sex development and surgical decisions: focus group interviews with health care professionals in Norway
Health Psychol Behav Med, 12 (1), 2371134
DOI 10.1080/21642850.2024.2371134, PubMed 38979393

Rogne AG, Sigurdardottir S, Raudeberg R, Hassel B, Dahlberg D (2024)
Cognitive and everyday functioning after bacterial brain abscess: a prospective study of functional recovery from 8 weeks to 1 year post-treatment
Brain Inj, 38 (10), 787-795
DOI 10.1080/02699052.2024.2347565, PubMed 38676705

Rogne AG, Sigurdardottir S, Raudeberg R, Hassel B, Dahlberg D (2024)
Fatigue and depression at 8 weeks and 1 year after bacterial brain abscess and their relationship with cognitive status
Neuropsychol Rehabil, 1-24 (in press)
DOI 10.1080/09602011.2024.2393361, PubMed 39205631

Publications 2023

Borgen IMH, Løvstad M, Hauger SL, Forslund MV, Kleffelgård I, Andelic N, Sveen U, Søberg HL, Sigurdardottir S, Winter L, Lindstad MØ, Brunborg C, Røe C (2023)
Effect of an Individually Tailored and Home-Based Intervention in the Chronic Phase of Traumatic Brain Injury: A Randomized Clinical Trial
JAMA Netw Open, 6 (5), e2310821
DOI 10.1001/jamanetworkopen.2023.10821, PubMed 37145600

Landsend ECS, von der Lippe C, Mediå L, Miller JU, Berge KE, Sigurdardottir S (2023)
Relationship between physical and psychological functioning and health-related quality of life in congenital Aniridia
Acta Ophthalmol, 102 (5), 590-599
DOI 10.1111/aos.16615, PubMed 38131258

Lu J, Rasmussen MS, Sigurdardottir S, Forslund MV, Howe EI, Fure SCR, Løvstad M, Overeem R, Røe C, Andelic N (2023)
Community Integration and Associated Factors 10 Years after Moderate-to-Severe Traumatic Brain Injury
J Clin Med, 12 (2)
DOI 10.3390/jcm12020405, PubMed 36675333

Mediå LM, Sigurdardottir S, Fauske L, Waehre A (2023)
Understanding sexual health concerns among adolescents and young adults with differences of sex development: a qualitative study
Int J Qual Stud Health Well-being, 18 (1), 2204635
DOI 10.1080/17482631.2023.2204635, PubMed 37092307

Sigurdardottir S, von der Lippe C, Media L, Ullmann Miller J, Landsend ECS (2023)
Self-reported symptoms of everyday executive dysfunction, daytime sleepiness, and fatigue and health status among adults with congenital aniridia: a descriptive study
Health Psychol Behav Med, 11 (1), 2263534
DOI 10.1080/21642850.2023.2263534, PubMed 37811316

Publications 2022

Borgen IMH, Hauger SL, Forslund MV, Kleffelgård I, Brunborg C, Andelic N, Sveen U, Søberg HL, Sigurdardottir S, Røe C, Løvstad M (2022)
Goal Attainment in an Individually Tailored and Home-Based Intervention in the Chronic Phase after Traumatic Brain Injury
J Clin Med, 11 (4)
DOI 10.3390/jcm11040958, PubMed 35207231

Hellstrøm T, Andelic N, Holthe ØØ, Helseth E, Server A, Eiklid K, Sigurdardottir S (2022)
APOE-ε4 Is Associated With Reduced Verbal Memory Performance and Higher Emotional, Cognitive, and Everyday Executive Function Symptoms Two Months After Mild Traumatic Brain Injury
Front Neurol, 13, 735206
DOI 10.3389/fneur.2022.735206, PubMed 35250800

Mediå LM, Fauske L, Sigurdardottir S, Feragen KJB, Heggeli C, Wæhre A (2022)
'It was Supposed to be a Secret': a study of disclosure and stigma as experienced by adults with differences of sex development
Health Psychol Behav Med, 10 (1), 579-595
DOI 10.1080/21642850.2022.2102018, PubMed 35898596

Publications 2021

Forslund MV, Perrin PB, Sigurdardottir S, Howe EI, van Walsem MR, Arango-Lasprilla JC, Lu J, Aza A, Jerstad T, Røe C, Andelic N (2021)
Health-Related Quality of Life Trajectories across 10 Years after Moderate to Severe Traumatic Brain Injury in Norway
J Clin Med, 10 (1)
DOI 10.3390/jcm10010157, PubMed 33466321

Pihlstrøm HK, Weedon-Fekjær MS, Bjerkely BL, von der Lippe C, Ørstavik K, Mathisen P, Heimdal K, Jenssen TG, Dahle DO, Solberg OK, Sigurdardottir S (2021)
Health-related quality of life in Norwegian adults with Fabry disease: Disease severity, pain, fatigue and psychological distress
JIMD Rep, 62 (1), 56-69
DOI 10.1002/jmd2.12240, PubMed 34765399

Sigurdardottir S, Bjerkely B, Jenssen TG, Mathisen P, von der Lippe C, Ørstavik K, Heimdal K, Dahle DO, Weedon-Fekjær MS, Solberg O, Pihlstrøm HK (2021)
The impact of demographic and clinical characteristics on the trajectories of health-related quality of life among patients with Fabry disease
Orphanet J Rare Dis, 16 (1), 427
DOI 10.1186/s13023-021-02066-y, PubMed 34641933

Publications 2020

Andelic N, Forslund MV, Perrin PB, Sigurdardottir S, Lu J, Howe EI, Sveen U, Rasmussen MS, Søberg HL, Røe C (2020)
Long-term follow-up of use of therapy services for patients with moderate-to-severe traumatic brain injury
J Rehabil Med, 52 (3), jrm00034
DOI 10.2340/16501977-2662, PubMed 32179933

Borgen IMH, Løvstad M, Andelic N, Hauger S, Sigurdardottir S, Søberg HL, Sveen U, Forslund MV, Kleffelgård I, Lindstad MØ, Winter L, Røe C (2020)
Traumatic brain injury-needs and treatment options in the chronic phase: Study protocol for a randomized controlled community-based intervention
Trials, 21 (1), 294
DOI 10.1186/s13063-020-4195-5, PubMed 32216840

Rogne AG, Müller EG, Udnaes E, Sigurdardottir S, Raudeberg R, Connelly JP, Revheim ME, Hassel B, Dahlberg D (2020)
β-Amyloid may accumulate in the human brain after focal bacterial infection: An ¹⁸ F-flutemetamol positron emission tomography study
Eur J Neurol, 28 (3), 877-883
DOI 10.1111/ene.14622, PubMed 33131195

Sigurdardottir S, Andelic N, Røe C, Schanke AK (2020)
Trajectory of 10-Year Neurocognitive Functioning After Moderate-Severe Traumatic Brain Injury: Early Associations and Clinical Application
J Int Neuropsychol Soc, 26 (7), 654-667
DOI 10.1017/S1355617720000193, PubMed 32098637

van Walsem MR, Howe EI, Perrin PB, Sigurdardottir S, Røe C, Sveen U, Lu J, Forslund MV, Andelic N (2020)
Trajectories of self-reported competency up to 10 years following moderate-to-severe traumatic brain injury
Brain Inj, 34 (3), 335-342
DOI 10.1080/02699052.2019.1704061, PubMed 31928233

Publications 2019

Anke A, Røe C, Sigurdardottir S, Norup A, Soberg HL, Arango-Lasprilla JC, Manskow US (2019)
Family needs at one and two years after severe traumatic brain injury: a prospective study of changes and predictors
Brain Inj, 34 (1), 89-97
DOI 10.1080/02699052.2019.1682191, PubMed 31647690

Forslund MV, Perrin PB, Røe C, Sigurdardottir S, Hellstrøm T, Berntsen SA, Lu J, Arango-Lasprilla JC, Andelic N (2019)
Global Outcome Trajectories up to 10 Years After Moderate to Severe Traumatic Brain Injury
Front Neurol, 10, 219
DOI 10.3389/fneur.2019.00219, PubMed 30923511

Holthe OO, Hellstrom T, Andelic N, Server A, Sigurdardottir S (2019)
Improvement and Prediction of Memory and Executive Functions in Patients Admitted to a Neurosurgery Service With Complicated and Uncomplicated Mild Traumatic Brain Injury
J Head Trauma Rehabil, 34 (5), E45-E56
DOI 10.1097/HTR.0000000000000463, PubMed 30829814

Publications 2018

Howe EI, Andelic N, Perrin PB, Røe C, Sigurdardottir S, Arango-Lasprilla JC, Lu J, Løvstad M, Forslund MV (2018)
Employment Probability Trajectories Up To 10 Years After Moderate-To-Severe Traumatic Brain Injury
Front Neurol, 9, 1051
DOI 10.3389/fneur.2018.01051, PubMed 30568630

Lu J, Roe C, Sigurdardottir S, Andelic N, Forslund M (2018)
Trajectory of Functional Independent Measurements during First Five Years after Moderate and Severe Traumatic Brain Injury
J Neurotrauma, 35 (14), 1596-1603
DOI 10.1089/neu.2017.5299, PubMed 29466920

Manskow US, Arntzen C, Damsgård E, Braine M, Sigurdardottir S, Andelic N, Røe C, Anke A (2018)
Family members' experience with in-hospital health care after severe traumatic brain injury: a national multicentre study
BMC Health Serv Res, 18 (1), 951
DOI 10.1186/s12913-018-3773-7, PubMed 30526574

Sigurdardottir S, Andelic N, Wehling E, Anke A, Skandsen T, Holthe OO, Manskow US, Roe C (2018)
Return to work after severe traumatic brain injury: a national study with a one-year follow-up of neurocognitive and behavioural outcomes
Neuropsychol Rehabil, 30 (2), 281-297
DOI 10.1080/09602011.2018.1462719, PubMed 29667477

Publications 2017

Egeland J, Lovstad M, Norup A, Nybo T, Persson BA, Rivera D, Schanke AK, Sigurdardottir S, Arango-Lasprilla JC (2017)
Questionnaire Use Among Nordic Neuropsychologists: Shift From Assessing Personality to Checking Ecological Validity of Neuropsychological Assessments?
Prof. Psychol.-Res. Pract., 48 (4), 227-235
DOI 10.1037/pro0000119

Forslund MV, Roe C, Perrin PB, Sigurdardottir S, Lu J, Berntsen S, Andelic N (2017)
The trajectories of overall disability in the first 5 years after moderate and severe traumatic brain injury
Brain Inj, 31 (3), 329-335
DOI 10.1080/02699052.2016.1255778, PubMed 28095032

Hellstrøm T, Kaufmann T, Andelic N, Soberg HL, Sigurdardottir S, Helseth E, Andreassen OA, Westlye LT (2017)
Predicting Outcome 12 Months after Mild Traumatic Brain Injury in Patients Admitted to a Neurosurgery Service
Front Neurol, 8, 125
DOI 10.3389/fneur.2017.00125, PubMed 28443058

Hellstrøm T, Westlye LT, Kaufmann T, Trung Doan N, Søberg HL, Sigurdardottir S, Nordhøy W, Helseth E, Andreassen OA, Andelic N (2017)
White matter microstructure is associated with functional, cognitive and emotional symptoms 12 months after mild traumatic brain injury
Sci Rep, 7 (1), 13795
DOI 10.1038/s41598-017-13628-1, PubMed 29061970

Publications 2016

Andelic N, Sigurdardottir S, Arango-Lasprilla JC, Godbolt AK (2016)
Long-Term Functional and Psychosocial Consequences and Health Care Provision after Traumatic Brain Injury
Behav Neurol, 2016, 2678081
DOI 10.1155/2016/2678081, PubMed 27034584

Egeland J, Løvstad M, Norup A, Nybo T, Persson BA, Rivera DF, Schanke AK, Sigurdardottir S, Arango-Lasprilla JC (2016)
Following international trends while subject to past traditions: neuropsychological test use in the Nordic countries
Clin Neuropsychol, 30 (sup1), 1479-1500
DOI 10.1080/13854046.2016.1237675, PubMed 27670676

Sveen U, Røe C, Sigurdardottir S, Skandsen T, Andelic N, Manskow U, Berntsen SA, Soberg HL, Anke A (2016)
Rehabilitation pathways and functional independence one year after severe traumatic brain injury
Eur J Phys Rehabil Med, 52 (5), 650-661
PubMed 27050083

Publications 2015

Andelic N, Arango-Lasprilla JC, Perrin PB, Sigurdardottir S, Lu J, Landa LO, Forslund MV, Roe C (2015)
Modeling of Community Integration Trajectories in the First Five Years after Traumatic Brain Injury
J Neurotrauma, 33 (1), 95-100
DOI 10.1089/neu.2014.3844, PubMed 25897980

Anke A, Andelic N, Skandsen T, Knoph R, Ader T, Manskow U, Sigurdardottir S, Røe C (2015)
Functional Recovery and Life Satisfaction in the First Year After Severe Traumatic Brain Injury: A Prospective Multicenter Study of a Norwegian National Cohort
J Head Trauma Rehabil, 30 (4), E38-49
DOI 10.1097/HTR.0000000000000080, PubMed 25033035

Manskow US, Sigurdardottir S, Røe C, Andelic N, Skandsen T, Damsgård E, Elmståhl S, Anke A (2015)
Factors Affecting Caregiver Burden 1 Year After Severe Traumatic Brain Injury: A Prospective Nationwide Multicenter Study
J Head Trauma Rehabil, 30 (6), 411-23
DOI 10.1097/HTR.0000000000000085, PubMed 25119652

Sigurdardottir S, Andelic N, Skandsen T, Anke A, Roe C, Holthe OO, Wehling E (2015)
Olfactory identification and its relationship to executive functions, memory, and disability one year after severe traumatic brain injury
Neuropsychology, 30 (1), 98-108
DOI 10.1037/neu0000206, PubMed 26076319

Sigurdardottir S, Andelic N, Wehling E, Roe C, Anke A, Skandsen T, Holthe OO, Jerstad T, Aslaksen PM, Schanke AK (2015)
Neuropsychological functioning in a national cohort of severe traumatic brain injury: demographic and acute injury-related predictors
J Head Trauma Rehabil, 30 (2), E1-12
DOI 10.1097/HTR.0000000000000039, PubMed 24695265

Publications 2014

Andelic N, Perrin PB, Forslund MV, Soberg HL, Sigurdardottir S, Sveen U, Jerstad T, Roe C (2014)
Trajectories of physical health in the first 5 years after traumatic brain injury
J Neurol, 262 (3), 523-31
DOI 10.1007/s00415-014-7595-1, PubMed 25476694

Andelic N, Soberg HL, Berntsen S, Sigurdardottir S, Roe C (2014)
Self-perceived health care needs and delivery of health care services 5 years after moderate-to-severe traumatic brain injury
PM R, 6 (11), 1013-21; quiz 1021
DOI 10.1016/j.pmrj.2014.05.005, PubMed 24844444

Andelic N, Ye J, Tornas S, Roe C, Lu J, Bautz-Holter E, Moger T, Sigurdardottir S, Schanke AK, Aas E (2014)
Cost-effectiveness analysis of an early-initiated, continuous chain of rehabilitation after severe traumatic brain injury
J Neurotrauma, 31 (14), 1313-20
DOI 10.1089/neu.2013.3292, PubMed 24720788

Forslund MV, Arango-Lasprilla JC, Roe C, Perrin PB, Sigurdardottir S, Andelic N (2014)
Multi-level modelling of employment probability trajectories and employment stability at 1, 2 and 5 years after traumatic brain injury
Brain Inj, 28 (7), 980-6
DOI 10.3109/02699052.2014.888770, PubMed 24655118

Publications 2013

Forslund MV, Roe C, Arango-Lasprilla JC, Sigurdardottir S, Andelic N (2013)
Impact of personal and environmental factors on employment outcome two years after moderate-to-severe traumatic brain injury
J Rehabil Med, 45 (8), 801-7
DOI 10.2340/16501977-1168, PubMed 24002317

Sigurdardottir S, Andelic N, Roe C, Schanke AK (2013)
Depressive symptoms and psychological distress during the first five years after traumatic brain injury: Relationship with psychosocial stressors, fatigue and pain
J Rehabil Med, 45 (8), 808-14
DOI 10.2340/16501977-1156, PubMed 24002318

Publications 2012

Andelic N, Stevens LF, Sigurdardottir S, Arango-Lasprilla JC, Roe C (2012)
Associations between disability and employment 1 year after traumatic brain injury in a working age population
Brain Inj, 26 (3), 261-9
DOI 10.3109/02699052.2012.654589, PubMed 22372413

Publications 2011

Andelic N, Bautz-Holter E, Ronning P, Olafsen K, Sigurdardottir S, Schanke AK, Sveen U, Tornas S, Sandhaug M, Roe C (2011)
Does an early onset and continuous chain of rehabilitation improve the long-term functional outcome of patients with severe traumatic brain injury?
J Neurotrauma, 29 (1), 66-74
DOI 10.1089/neu.2011.1811, PubMed 21864138

Publications 2010

Andelic N, Jerstad T, Sigurdardottir S, Schanke AK, Sandvik L, Roe C (2010)
Effects of acute substance use and pre-injury substance abuse on traumatic brain injury severity in adults admitted to a trauma centre
J Trauma Manag Outcomes, 4, 6
DOI 10.1186/1752-2897-4-6, PubMed 20504353

Andelic N, Sigurdardottir S, Schanke AK, Sandvik L, Sveen U, Roe C (2010)
Disability, physical health and mental health 1 year after traumatic brain injury
Disabil Rehabil, 32 (13), 1122-31
DOI 10.3109/09638280903410722, PubMed 20113311

Sigurdardottir S, Jerstad T, Andelic N, Roe C, Schanke AK (2010)
Olfactory dysfunction, gambling task performance and intracranial lesions after traumatic brain injury
Neuropsychology, 24 (4), 504-13
DOI 10.1037/a0018934, PubMed 20604624

Publications 2009

Sigurdardottir S, Andelic N, Roe C, Jerstad T, Schanke AK (2009)
Post-concussion symptoms after traumatic brain injury at 3 and 12 months post-injury: a prospective study
Brain Inj, 23 (6), 489-97
DOI 10.1080/02699050902926309, PubMed 19484622

Sigurdardottir S, Andelic N, Roe C, Schanke AK (2009)
Cognitive recovery and predictors of functional outcome 1 year after traumatic brain injury
J Int Neuropsychol Soc, 15 (5), 740-50
DOI 10.1017/S1355617709990452, PubMed 19602303

Publications 2008

Andelic N, Sigurdardottir S, Brunborg C, Roe C (2008)
Incidence of hospital-treated traumatic brain injury in the Oslo population
Neuroepidemiology, 30 (2), 120-8
DOI 10.1159/000120025, PubMed 18334828