Bilde av Alstadhaug, Karl Bjørnar
Bilde av Alstadhaug, Karl Bjørnar
Klinihkalaš medisiinna instituhtta karl.b.alstadhaug@uit.no

Karl Bjørnar Alstadhaug



  • Nora Stensland Bugge, Kjersti Vetvik, Karl Bjørnar Alstadhaug, Tonje Bjørndal Braaten :
    Cumulative exposure to estrogen may increase the risk of migraine in women
    Cephalalgia 2024 DOI
  • Camilla Novy, Øyvind Busk, Ole-Bjørn Tysnes, Sigve Strand Landa, Tori Navestad Aanjesen, Karl Bjørnar Alstadhaug et al.:
    Repeat expansions in AR, ATXN1, ATXN2 and HTT in Norwegian patients diagnosed with amyotrophic lateral sclerosis
    Brain Communications 2024 DOI
  • Karl Bjørnar Alstadhaug, Charalampos Tzoulis, Axel Meyer Simonsen :
    Beverages, caffeine, and Parkinson's disease
    Academic Press 2023 DOI
  • Marianne Sivertsen, Hanne De Jaegher, Karl Bjørnar Alstadhaug, Ellen Christin Arntzen, Britt Normann :
    The precarity of patient participation - a qualitative interview study of experiences from the acute stroke and rehabilitation journey
    Physiotherapy Theory and Practice 2022 ARKIV / DOI
  • Merethe Karlberg, Hanne Thoresen, Diana Hristova Berg, Oana-Gratiela Ciopat, Karl Bjørnar Alstadhaug :
    En mann i 40-årene med akutt forvirring
    Tidsskrift for Den norske legeforening 2022 ARKIV / DOI
  • Marianne Sivertsen, Hanne De Jaegher, Ellen Christin Arntzen, Karl Bjørnar Alstadhaug, Britt Normann :
    Embodiment, tailoring, and trust are important for co-construction of meaning in physiotherapy after stroke: A qualitative study
    Physiotherapy Research International 2022 ARKIV / DOI
  • Cathrine Goberg Olsen, Øyvind Løvold Busk, Tori Navestad Aanjesen, Karl Bjørnar Alstadhaug, Ingrid Kristine Bjørnå, Geir Julius Braathen et al.:
    Genetic Epidemiology of Amyotrophic lateral Sclerosis in Norway: A 2-Year Population-Based Study
    Neuroepidemiology 16. May 2022 FULLTEKST / ARKIV / DOI
  • Marianne Sivertsen, Ellen Christin Arntzen, Karl Bjørnar Alstadhaug, Britt Normann :
    Effect of innovative vs. usual care physical therapy in subacute rehabilitation after stroke. A multicenter randomized controlled trial
    Frontiers in Rehabilitation Sciences 2022 ARKIV / DOI
  • Andreas Kildahl Jaklin, Espen Benjaminsen, Karl Bjørnar Alstadhaug :
    Effectiveness of Natalizumab in Achieving No Evidence of Disease Activity (NEDA-3)—Data From a Local Norwegian Cohort
    Frontiers in Neurology 2021 ARKIV / DOI
  • Karl Bjørnar Alstadhaug, Hilde Karen Ofte, Kai Ivar Müller, Anna P. Andreou :
    Sudden caffeine withdrawal triggers migraine—A randomized controlled trial
    Frontiers in Neurology 10. Sep 2020 ARKIV / DOI
  • Espen Benjaminsen, Kjell-Morten Myhr, Nina Agnethe Grytten Torkildsen, Karl Bjørnar Alstadhaug :
    Comorbidity in multiple sclerosis patients from Nordland County, Norway - validated data from the Norwegian Patient Registry
    Multiple Sclerosis and Related Disorders 2020 ARKIV / DOI
  • Ane Skaare Sjulstad, Francis Odeh, Farid Baloch, Diana Hristova Berg, Kathrine Grønning Arntzen, Karl Bjørnar Alstadhaug :
    Occurrence of postdural puncture headache—A randomized controlled trial comparing 22G Sprotte and Quincke
    Brain and Behavior 12. Oct 2020 ARKIV / DOI
  • Anne Hege Aamodt, Marte-Helene Bjørk, Karl Bjørnar Alstadhaug, Guttorm Eldøen, Aud Nome Dueland, Tine Poole et al.:
    Praktisk håndtering av hodepine
    Tidsskrift for Den norske legeforening 2019 ARKIV / FULLTEKST / DOI
  • Espen Benjaminsen, Kjell-Morten Myhr, Nina Grytten, Karl Bjørnar Alstadhaug :
    Validation of the multiple sclerosis diagnosis in the Norwegian Patient Registry
    Brain and Behavior 2019 ARKIV / DOI
  • Ane Skaare Sjulstad, Karl Bjørnar Alstadhaug :
    What is currently the best investigational approach to the patient with sudden-onset severe headache?
    Headache 2019 ARKIV / DOI
  • Karl Bjørnar Alstadhaug, Anna P. Andreou :
    Caffeine and primary (migraine) headaches-friend or foe?
    Frontiers in Neurology 2019 ARKIV / DOI
  • Espen Benjaminsen, Karl Bjørnar Alstadhaug, Marie Gulsvik, Farid Baloch, Francis Odeh :
    Amyotrophic lateral sclerosis in Nordland county, Norway, 2000–2015: prevalence, incidence, and clinical features
    Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration 2018 DOI
  • Karl Bjørnar Alstadhaug, Hilde Karen Ofte, Espen Saxhaug Kristoffersen :
    Prävention und Therapie des Medikamentenübergebrauchskopfschmerzes
    Der Schmerz (Berlin. Print) 2018 DOI
  • Kai Ivar Müller, Karl Bjørnar Alstadhaug, Svein Ivar Bekkelund :
    A randomized trial of telemedicine efficacy and safety for nonacute headaches
    Neurology 2017 ARKIV / DOI
  • Espen Benjaminsen, Kjell-Morten Myhr, Karl Bjørnar Alstadhaug :
    The prevalence and characteristics of epilepsy in patients with multiple sclerosis in Nordland county, Norway
    Seizure 2017 DOI
  • Svein Ivar Bekkelund, Kai Ivar Müller, Aleksander Wilhelmsen, Karl Bjørnar Alstadhaug :
    Photophobia and seasonal variation of migraine in a subarctic population
    Headache 2017 DOI
  • Karl Bjørnar Alstadhaug, Kjell-Morten Myhr, Christine Hanssen Rinaldo :
    Progredierende multifokal leukoencefalopati
    Tidsskrift for Den norske legeforening 12. Dec 2017 DOI
  • Kai Ivar Müller, Karl Bjørnar Alstadhaug, Svein Ivar Bekkelund :
    Headache patients' satisfaction with telemedicine: a 12-month follow-up randomized non-inferiority trial
    European Journal of Neurology 2017 ARKIV / DOI
  • Karl Bjørnar Alstadhaug, Hilde Karen Ofte, Espen Saxhaug Kristoffersen :
    Preventing and treating medication overuse headache
    Pain Reports 2017 ARKIV / DOI
  • Kai Ivar Müller, Karl Bjørnar Alstadhaug, Svein Ivar Bekkelund :
    Telemedicine in the management of non-acute headaches: A prospective,open-labelled non-inferiority,randomised clinical trial
    Cephalalgia 2016 DOI
  • Kai Ivar Müller, Karl Bjørnar Alstadhaug, Svein Ivar Bekkelund :
    Acceptability, feasibility, and cost of telemedicine for nonacute headaches: A randomized study comparing video and traditional consultations
    Journal of Medical Internet Research 2016 ARKIV / DOI
  • Karl Bjørnar Alstadhaug, Hanne Winge Kvarenes, Jan Fredrik Prytz, Christian A. Vedeler :
    A case of relapsing-remitting facial palsy and ipsilateral brachial plexopathy caused by HSV-1
    Journal of Clinical Virology 2016 DOI
  • Hilde Karen Ofte, Erling Andreas Tronvik, Karl Bjørnar Alstadhaug :
    Lack of association between cluster headache and PER3 clock gene polymorphism
    The Journal of Headache and Pain 2016 ARKIV / DOI
  • Hilde Karen Ofte, Therese von Hanno, Karl Bjørnar Alstadhaug :
    Reduced cranial parasympathetic tone during the remission phase of cluster headache
    Cephalalgia 2015 DOI
  • Karl Bjørnar Alstadhaug, Hilde Karen Ofte :
    Klasehodepine :
    Tidsskrift for Den norske legeforening 2015 DOI
  • Svein Ivar Bekkelund, Hilde Karen Ofte, Karl Bjørnar Alstadhaug :
    Patient satisfaction with conventional, complementary, and alternative treatment for cluster headache in a Norwegian cohort
    Scandinavian Journal of Primary Health Care 2014 ARKIV / DOI
  • Karl Bjørnar Alstadhaug :
    Histamine in migraine and brain
    Headache 2014 DOI
  • Karl Bjørnar Alstadhaug, Thérèse Croughs, Stian Henriksen, Céline Leboeuf, Irini Sereti, Hans H. Hirsch et al.:
    Treatment of progressive multifocal leukoencephalopathy with interleukin 7
    JAMA Neurology 2014 DOI
  • Espen Benjaminsen, Johnny Olavsen, Merethe Karlberg, Karl Bjørnar Alstadhaug :
    Multiple sclerosis in the far north - incidence and prevalence in Nordland County, Norway, 1970-2010
    BMC Neurology 2014 DOI
  • Karl Bjørnar Alstadhaug, Erling Andreas Tronvik, Anne Hege Aamodt :
    Transient ischemic attack or migraine with aura?
    Tidsskrift for Den norske legeforening 24. Oct 2023 ARKIV / DOI
  • Karl Bjørnar Alstadhaug, Grete Bakkejord, Hans Kristian Bø :
    Could recurrent painful ophthalmoplegic neuropathy be caused by a neurovascular conflict?: A case report
    Cephalalgia Reports 2023 DOI
  • Karl Bjørnar Alstadhaug, Anne Hege Aamodt :
    Etablering av medisinske sannheter
    Tidsskrift for Den norske legeforening 2023 ARKIV / DOI
  • Marianne Sivertsen, Hanne De Jaegher, Ellen Christin Arntzen, Karl Bjørnar Alstadhaug, Britt Normann :
    Felles meningsskaping i fysioterapi etter hjerneslag
    2022
  • Marianne Sivertsen, Hanne De Jaegher, Karl Bjørnar Alstadhaug, Ellen Christin Arntzen, Britt Normann :
    Den sårbare deltakelsen. En kvalitativ studie om erfaringer fra akutt hjerneslag og rehabilitering.
    2022
  • Marianne Sivertsen, Ellen Christin Arntzen, Karl Bjørnar Alstadhaug, Britt Normann :
    Individualized, comprehensive physiotherapy vs usual care. Effects on balance, gait and physical activity in subacute rehabilitation after stroke: a multicentre randomized controlled trial
    2022
  • Marianne Sivertsen, Ellen Christin Arntzen, Karl Bjørnar Alstadhaug, Britt Normann :
    The precarious patient participation - a qualitative interview study of experiences from the acute stroke and rehabilitation journey
    2022
  • Marianne Sivertsen, Hanne De Jaegher, Ellen Christin Arntzen, Karl Bjørnar Alstadhaug, Britt Normann :
    Embodiment, tailoring and trust and their importance for co-construction of meaning in physiotherapy after a stroke
    2022
  • Kathrine Grønning Arntzen, Karl Bjørnar Alstadhaug :
    Room tilt illusion and subclavian steal - A case report
    BMC Neurology 2020 ARKIV / DOI
  • Karl Bjørnar Alstadhaug, Christine Hanssen Rinaldo, Liv T. N. Osnes, Irini Sereti, Hilde Karen Ofte :
    Progressive multifocal leukoencephalopathy treated with interleukin-7
    Clinical Infection in Practice 2020 DOI
  • Karl Bjørnar Alstadhaug, Merethe Karlberg :
    Hemichorea-hemiballisme
    Tidsskrift for Den norske legeforening 2019 DOI
  • Kjell-Morten Myhr, Stephan Schuler, Karl Bjørnar Alstadhaug :
    Long-term, real-world effectiveness of natalizumab treatment in relapsing-remitting multiple sclerosis (RRMS): data from ≥6 years in the TYSABRI® Observational Program (TOP) Nordic and global cohorts.
    2019
  • Karl Bjørnar Alstadhaug, Hilde Karen Ofte :
    Spot On?
    Headache 2018 DOI
  • Karl Bjørnar Alstadhaug, Randi Hallstensen, Francis Odeh :
    Progressive multifocal leukoencephalopathy in a patient with systemic mastocytosis treated with cladribine
    Journal of Clinical Virology 2017 DOI
  • Hilde Karen Ofte, Therese von Hanno, Karl Bjørnar Alstadhaug :
    Retinal vasculature in cluster headache
    Cephalalgia 2017 DOI
  • Karl Bjørnar Alstadhaug, Therese Croughs, Stian Henriksen, Irini Sereti, Hans H. Hirsch, Christine Hanssen Rinaldo :
    A patient with idiopathic CD4+ T-cell lymphocytopenia and progressiv mulitifocal leukoencephalopathy: treatment by recombinant interleukin-7 and characterization of polyomavirus JC
    2014

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