• Habituation of laser-evoked potentials by migraine phase: a blinded longitudinal study. 

      Uglem, Martin; Omland, Petter Moe; Stjern, Marit; Gravdahl, Gøril Bruvik; Sand, Trond (Journal article; Peer reviewed, 2017)
      Background Migraineurs seem to have cyclic variations in cortical excitability in several neurophysiological modalities. Laser-evoked potentials (LEP) are of particular interest in migraine because LEP specifically targets ...
    • The HARDSHIP databases: a forthcoming free good from the Global Campaign against Headache 

      Steiner, Timothy J.; Husøy, Andreas Kattem; Thomas, Hallie; Stovner, Lars Jacob (Peer reviewed; Journal article, 2023)
      In order to pursue its purpose of reducing the global burden of headache, the Global Campaign against Headache has gathered data on headache-attributed burden from countries worldwide. These data, from the individual ...
    • Headache and migraine during pregnancy and puerperium: the MIGRA-study 

      Kvisvik, Elisabeth Volden; Stovner, Lars Jacob; Helde, Grethe; Bovim, Gunnar; Linde, Mattias (Journal article; Peer reviewed, 2011)
      There is little prospectively gathered data on the course of headaches during pregnancy and postpartum, and the influence of breastfeeding is unclear. This is a large, prospective study, which invited all pregnant women ...
    • Headache as a predictor for dementia: The HUNT Study 

      Røttereng, Ane Karoline Stræte; Bosnes, Ole; Stordal, Eystein; Zwart, John-Anker; Linde, Mattias; Stovner, Lars Jacob; Hagen, Knut (Journal article; Peer reviewed, 2015)
      Background: The impact of headache on dementia is largely unknown. This study examined the association between headache and dementia using data from a large population-based study. Methods: This population-based study ...
    • Headache disorders and public ill-health in India: Prevalence estimates in Karnataka State 

      Kulkarni, GB; Rao, Girish N.; Gururaj, Gopalkrishna; Stovner, Lars Jacob; Steiner, Timothy J. (Journal article; Peer reviewed, 2015)
      Background: Primary headache disorders are among the commonest disorders, affecting people in all countries. India appears to be no exception, although reliable epidemiological data on headache in this highly populous country ...
    • Headache following head injury: a population-based longitudinal cohort study (HUNT) 

      Nordhaug, Lena Hoem; Hagen, Knut; Vik, Anne; Stovner, Lars Jacob; Follestad, Turid; Pedersen, Torunn; Gravdahl, Gøril Bruvik; Linde, Mattias (Journal article; Peer reviewed, 2018)
      Background Headache is the most frequent symptom following head injury, but long-term follow-up of headache after head injury entails methodological challenges. In a population-based cohort study, we explored whether ...
    • Headache service quality evaluation: implementation of quality indicators in primary care in Europe 

      Lenz, B.; Katsarava, Zaza; Gil-Gouveia, R.; Karelis, G.; Kaynarkaya, B.; Meksa, L.; Oliveira, E.; Palavra, F.; Rosendo, I.; Sahin, M.; Silva, B.; Uluduz, Derya; Ural, Y.Z.; Varsberga-Apsite, I.; Zengin, S.T.; Zvaune, L.; Steiner, Timothy J. (Peer reviewed; Journal article, 2021)
      Background Lifting The Burden (LTB) and European Headache Federation (EHF) have developed a set of headache service quality indicators, successfully tested in specialist headache centres. Their intended application includes ...
    • Headache service quality: evaluation of quality indicators in 14 specialist-care centres 

      Skramm, S; Uluduz, Derja; Gouveia, Raquel Gil; Jensen, Rigmor Højland; Siva, Aksel; Uygunoglu, Ugur; Gvantsa, Gorgadze; Mania, Maka; Braschinsky, Mark; Filatova, Elena; Latysheva, Nina; Osipova, Vera; Skorobogatykh, Kiril; Azimova, Julia; Straube, Andreas; Eren, Ozan Emre; Martelletti, Paolo; Angelelis, Valerio De; Negro, Andrea; Linde, Mattias; Hagen, Knut; Radojicic, Aleksandra; Zidverc-Trajkovic, Jasna; Podgorac, Ana; Paemeleire, Koen; Annelien, De Pue; Lampl, Christian; Steiner, Timothy J.; Katsarava, Zaza (Journal article; Peer reviewed, 2016)
      Background The study was a collaboration between Lifting The Burden (LTB) and the European Headache Federation (EHF). Its aim was to evaluate the implementation of quality indicators for headache care Europe-wide in ...
    • Headache service quality: The role of specialized headache centres within structured headache services, and suggested standards and criteria as centres of excellence 

      Steiner, Timothy J.; Göbel, Hartmut; Jensen, Rigmor Højland; Lampl, Christian; Paemeleire, Koen; Linde, Mattias; Braschinsky, Mark; Mitsikostas, Dimos-Dimitrios; Gil-Gouveia, Raquel; Katsarava, Zaza (Journal article; Peer reviewed, 2019)
      In joint initiatives, the European Headache Federation and Lifting The Burden have described a model of structured headache services (with their basis in primary care), defined service quality in this context, and developed ...
    • Headache yesterday in Europe 

      Andree, Colette; Steiner, Timothy J.; Barre, Jessica; Katsarava, Zaza; Lainez, Jose Miguel; Lampl, Christian; Lanteri-Minet, Michel; Rastenyte, Daiva; Ruiz de la Torre, Elena; Tassorelli, Cristina; Stovner, Lars Jacob (Journal article; Peer reviewed, 2014)
      Background Surveys enquiring about burden of headache over a prior period of time (eg, 3 months) are subject to recall bias. To eliminate this as far as possible, we focused on presence and impact of headache on the ...
    • Headache yesterday in Karnataka state, India: prevalence, impact and cost 

      Steiner, Timothy J.; Rao, Girish N.; Kulkarni, GB; Gururaj, Gopalakrishna; Stovner, Lars Jacob (Journal article; Peer reviewed, 2016)
      Background The Global Campaign against Headache has pioneered evaluation of the prevalence and impact of headache on the preceding day (“headache yesterday”) as a new approach to the estimation of headache-attributed ...
    • Headache yesterday in Russia: its prevalence and impact, and their application in estimating the national burden attributable to headache disorders 

      Ayzenberg, Ilya; Katsarava, Zaza; Sborowski, Asya; Obermann, Mark; Chernysh, Michail; Osipova, Vera; Tabeeva, Guzelya; Steiner, Timothy J. (Journal article; Peer reviewed, 2015)
      Background Evaluation of the prevalence and impact of headache on the preceding day (“headache yesterday”; HY) is a new approach, allowing more precise estimation of headache-attributed burden without recall error. The ...
    • Headache, depression and anxiety: associations in the Eurolight project 

      Lampl, Christian; Thomas, Hallie; Tassorelli, Cristina; Katsarava, Zaza; Laínez, Jose Miguel; Lantéri-Minet, Michel; Rastenyte, Daiva; Ruiz de la Torre, Elena; Stovner, Lars Jacob; Andrée, Colette; Steiner, Timothy J. (Journal article; Peer reviewed, 2016)
      Background: Headache disorders and psychiatric disorders are both common, while evidence, mostly pertaining to migraine, suggests they are comorbid more often than might be expected by chance. There are good reasons for ...
    • Health-care utilization for headache disorders in Nepal: A population-based door-to-door survey 

      Manandhar, Kedar; Risal, Ajay; Linde, Mattias; Steiner, Timothy J. (Journal article; Peer reviewed, 2018)
      Background Headache disorders are an important global public-health problem, but under-diagnosed, undertreated and under-prioritized. Deficiencies in health care for headache, present everywhere, are likely to be greater ...
    • Health-care utilization for primary headache disorders in China: a population-based door-to-door survey 

      Liu, Ruo-Zhuo; Yu, Shengyuan; He, MianWang; Zhao, Gang; Yang, Xiao-Su; Qiao, Xiangyang; Feng, Jia-Chun; Fang, Yan-Nan; Cao, Xiu-Tang; Steiner, Timothy J. (Journal article; Peer reviewed, 2013)
      Background In order to know the status quo of health care for primary headache disorders in China, questions about headache consultation and diagnosis were included in a nationwide population-based survey initiated by ...
    • High sensitivity C-reactive protein and risk of migraine in a 11-year follow-up with data from the Nord-Trøndelag health surveys 2006–2008 and 2017–2019 

      Hagen, Knut; Stovner, Lars Jacob; Zwart, John-Anker (Peer reviewed; Journal article, 2020)
      Background Several previous studies have reported a cross-sectional association between elevated high sensitivity C-reactive protein (hs-CRP) and migraine. The aim of this population-based follow-up study was to investigate ...
    • Holding on to the indispensable medication - A grounded theory on medication use from the perspective of persons with medication overuse headache 

      Jonsson, Pernilla; Jakobsson, Annika; Hensing, Gunnel; Linde, Mattias; Moore, Crystal Dea; Hedenrud, Tove (Journal article; Peer reviewed, 2013)
      Background Medication overuse headache (MOH) is a chronic headache disorder, caused by overuse of acute medication. To date, it remains unclear why some people overuse these medications. The aim of this qualitative study ...
    • HURT (Headache Under-Response to Treatment) questionnaire in the management of primary headache disorders: reliability, validity and clinical utility of the Arabic version 

      Al Jumah, Mohammed A; Al Khathaami, Ali; Tamim, Hani; Al Owayed, Abdulla; Kojan, Suleiman; Jawhary, Ayah; Lipton, Richard; Buse, Dawn C; Jensen, Richard; Steiner, Timothy J. (Journal article; Peer reviewed, 2013)
      Background To support better headache management in primary care, the Global Campaign against Headache developed an 8-question outcome measure, the Headache Under-Response to Treatment (HURT) questionnaire. HURT was ...
    • Impact of headache disorders in Italy and the public-health and policy implications: a population-based study within the Eurolight Project 

      Allena, M; Steiner, Timothy J.; Sances, G; Carugno, B; Balsamo, F; Nappi, Giuseppe; Andree, Colette; Tassorelli, Cristina (Journal article; Peer reviewed, 2015)
      Background Migraine, tension-type headache (TTH) and medication-overuse headache (MOH) are disabling lifelong illnesses. The Eurolight project, a partnership activity within the Global Campaign against Headache, assessed ...
    • Improving quality in population surveys of headache prevalence, burden and cost: key methodological considerations 

      Steiner, Timothy J.; Stovner, Lars Jacob; Al Jumah, Mohammed A; Birbeck, Gretchen; Gururaj, Gopalkrishna; Jensen, Rigmor; Katsarava, Zaza; Queiroz, Luiz Paulo; Scher, AI; Tekle-Haimanot, Redda; Wang, Shuu-Jiun; Martelletti, Paolo; Dua, Tarun; Chatterji, Somnath (Journal article; Peer reviewed, 2013)
      Population-based studies of headache disorders are important. They inform needs assessment and underpin service policy for a set of disorders that are a public-health priority. On the one hand, our knowledge of the global ...