• The bidirectional temporal relationship between headache and affective disorders: longitudinal data from the HUNT studies 

      Giri, Samita; Tronvik, Erling Andreas; Hagen, Knut (Peer reviewed; Journal article, 2022)
      Background Few prospective population-based studies have evaluated the bidirectional relationship between headache and affective disorder. The aim of this large-scale population-based follow-up study was to investigate ...
    • Biofeedback Treatment App for Pediatric Migraine: Development and Usability Study 

      Stubberud, Anker; Tronvik, Erling Andreas; Olsen, Alexander; Gravdahl, Gøril Bruvik; Linde, Mattias (Peer reviewed; Journal article, 2020)
      Objective The objective of this study was to develop and investigate the usability of a biofeedback treatment smartphone app for adolescent migraine sufferers. Background Biofeedback is effective in treating pediatric ...
    • Clinical features of visual migraine aura: A systematic review 

      Viana, Michele; Tronvik, Erling Andreas; Do, Thien Phu; Zecca, Chiara; Hougaard, Anders (Journal article; Peer reviewed, 2019)
      Background Migraine aura (MA) is a common and disabling neurological condition, characterized by transient visual, and less frequently sensory and dysphasic aura disturbances. MA is associated with an increased risk ...
    • Digital Technology Biofeedback for the Prophylaxis of Pediatric Migraine 

      Stubberud, Anker (Doctoral theses at NTNU;2020:204, Doctoral thesis, 2020)
    • Dissecting the shared genetic basis of migraine and mental disorders using novel statistical tools 

      Bahrami, Shahram; Hindley, Guy Frederick Lanyon; Winsvold, Bendik K S; O'Connell, Kevin S; Frei, Oleksandr; Shadrin, Alexey; Cheng, Weiqiu; Bettella, Francesco; Rødevand, Linn; Ødegaard, Ketil Joachim; Fan, Chun C; Pirinen, Matti J; Hautakangas, Heidi M; Martinsen, Amy; Skogholt, Anne Heidi; Brumpton, Ben Michael; Willer, Cristen J; Tronvik, Erling Andreas; Kristoffersen, Espen Saxhaug; Zwart, John Anker Henrik; Nielsen, Jonas Bille; Hagen, Knut; Nilsen, Kristian Bernhard; Hveem, Kristian; Stovner, Lars Jacob; Fritsche, Lars; Thomas, Laurent; Pedersen, Linda Margareth; Gabrielsen, Maiken Elvestad; Johnsen, Marianne Bakke; Lie, Marie; Holmen, Oddgeir Lingaas; Børte, Sigrid; Stensland, Synne; Zhou, Wei; Dale, Anders; Djurovic, Srdjan; Smeland, Olav Bjerkehagen; Andreassen, Ole (Peer reviewed; Journal article, 2022)
      Migraine is three times more prevalent in people with bipolar disorder or depression. The relationship between schizophrenia and migraine is less certain although glutamatergic and serotonergic neurotransmission are ...
    • Does pain sensitivity change by migraine phase? A blinded longitudinal study 

      Hagen, Knut; Omland, Petter Moe; Stovner, Lars Jacob; Sand, Trond Halfdan; Uglem, Martin; Tronvik, Erling Andreas; Nilsen, Kristian Bernhard; Linde, Anders Mattias (Journal article; Peer reviewed, 2016)
      Objective: Studies suggest that pain thresholds may be altered before and during migraine headaches, but it is still debated if a central or peripheral dysfunction is responsible for the onset of pain in migraine. The ...
    • Genetic Susceptibility Loci in Genomewide Association Study of Cluster Headache 

      Harder, Aster V.E.; Winsvold, Bendik K S; Noordam, Raymond; Vijfhuizen, Lisanne S.; Børte, Sigrid; Kogelman, Lisette J.A.; de Boer, Irene; Tronvik, Erling Andreas; Rosendaal, Frits; Willems van Dijk, Ko; O'Connor, Emer; Fourier, Carmen; Thomas, Laurent; Kristoffersen, Espen Saxhaug; Fronczek, Rolf; Pozo-Rosich, Patricia; Jensen, Rigmor; Ferrari, Michel D.; Hansen, Thomas; Zwart, John-Anker; Terwindt, Gisela M.; van den Maagdenberg, Arn M.J.M (Peer reviewed; Journal article, 2021)
      Objective Identifying common genetic variants that confer genetic risk for cluster headache. Methods We conducted a case–control study in the Dutch Leiden University Cluster headache neuro-Analysis program (LUCA) study ...
    • Gir ACE-hemmere og angiotensinreseptorantagonister økt risiko for alvorlig covid-19? 

      Aamodt, Anne Hege; Bjørk, Marte-Helene; Tronvik, Erling Andreas; Buanes, Eirik Alnes; Stovner, Lars Jacob; Atar, Dan (Peer reviewed; Journal article, 2020)
      Hypertensjon og diabetes mellitus er risikofaktorer for alvorlig covid-19. Det er blitt reist spørsmål om hvorvidt denne assosiasjonen er relatert til bruk av ACE-hemmere og angiotensin II-reseptorblokkere.
    • Is pituitary MRI screening necessary in cluster headache? 

      Grangeon, Lou; OConnor, Emer; Danno, Daisuke; Ngoc, Thanh Mai Pham; Cheema, Sanjay; Tronvik, Erling Andreas; Davagnanam, Indran; Matharu, Manjit (Peer reviewed; Journal article, 2021)
      Objective To determine the prevalence and clinical predictors of pituitary adenomas in cluster headache patients, in order to determine the necessity of performing dedicated pituitary magnetic resonance imaging in patients ...
    • Is there a causal relationship between stress and migraine? Current evidence and implications for management 

      Stubberud, Anker; Buse, Dawn C.; Kristoffersen, Espen Saxhaug; Linde, Mattias; Tronvik, Erling Andreas (Peer reviewed; Journal article, 2021)
      Background The purpose of this narrative review is to examine the literature investigating a causal relationship between stress and migraine and evaluate its implications for managing migraine. Methods PubMed, PsycINFO and ...
    • Lack of association between cluster headache and PER3 clock gene polymorphism 

      Ofte, Hilde Karen; Tronvik, Erling Andreas; Alstadhaug, Karl Bjørnar (Journal article; Peer reviewed, 2016)
      Background: Cluster headache (CH) is regarded as a chronobiological disorder. The hypothalamic biological clock may thus be involved in the pathophysiology, but few studies have actually investigated this in CH patients. ...
    • The management and clinical knowledge of headache disorders among general practitioners in Norway: a questionnaire survey 

      Kristoffersen, Espen Saxhaug; Faiz, Kashif Waqar; Hansen, Jakob Møller; Tronvik, Erling Andreas; Frich, Jan C; Lundqvist, Christofer; Winsvold, Bendik K S (Peer reviewed; Journal article, 2021)
      Background General practitioners (GPs) diagnose and manage a majority of headache patients seeking health care. With the aim to understand the potential for clinical improvement and educational needs, we performed a study ...
    • Management of cluster headache and other trigeminal autonomic cephalalgias in pregnancy and breastfeeding 

      Bjørk, Marte-Helene; Kristoffersen, Espen Saxhaug; Tronvik, Erling Andreas; Nordeng, Hedvig Marie Egeland (Peer reviewed; Journal article, 2021)
      Many clinicians lack experience in managing trigeminal autonomic cephalalgias (TACs) in pregnancy and lactation. In addition to cluster headache, TACs include hemicrania continua, paroxysmal hemicrania, and short-lasting ...
    • Measurement and implications of the distance between the sphenopalatine ganglion and nasal mucosa: a neuroimaging study 

      Crespi, Joan Vidal; Bratbak, Daniel Fossum; Dodick, David W.; Matharu, Manjit; Jamtøy, Kent Are; Aschehoug, Irina; Tronvik, Erling Andreas (Journal article; Peer reviewed, 2018)
      Background Historical reports describe the sphenopalatine ganglion (SPG) as positioned directly under the nasal mucosa. This is the basis for the topical intranasal administration of local anaesthetic (LA) towards the ...
    • Nutcracker syndrome mimicking new daily persistent headache: A case report 

      Stubberud, Anker; Cheema, Sanjay; Tronvik, Erling Andreas; Matharu, Manjit (Peer reviewed; Journal article, 2020)
      Introduction Compression of the duodenum and left renal vein between the aorta and superior mesenteric artery usually leads to symptoms of proximal bowel obstruction or hematuria and, more rarely, nonspecific mild ...
    • OnabotulinumtoxinA injection towards the SPG for treating symptoms of refractory chronic rhinosinusitis with nasal polyposis: a pilot study 

      Jamtøy, Kent Are; Tronvik, Erling Andreas; Bratbak, Daniel Fossum; Crespi, Joan Vidal; Stovner, Lars Jacob; Aschehoug, Irina; Thorstensen, Wenche Moe (Peer reviewed; Journal article, 2021)
      Background and objective The main objective of this prospective, open, uncontrolled pilot study was to investigate the safety of administering onabotulinumtoxinA (BTA) towards the sphenopalatine ganglion (SPG) in 10 patients ...
    • Pituitary adenoma and non-acute headache: is there an association, and does treatment help? 

      Gravdahl, Gøril Bruvik; Tronvik, Erling Andreas; Fougner, Stine Lyngvi; Solheim, Ole (Journal article; Peer reviewed, 2016)
      Objective Headache is a controversial indication for treatment of pituitary adenoma. We studied the possible relationship between pituitary adenomas and headache as well as the symptomatic effects of treatment. Met ...
    • R1352Q CACNA1A variant in a patient with sporadic hemiplegic migrainem ataxia, seizures and cerebral oedema: A case report 

      Stubberud, Anker; O'Connor, Emer; Tronvik, Erling Andreas; Houlden, Henry; Matharu, Manjit (Journal article; Peer reviewed, 2021)
      Mutations in the CACNA1A gene show a wide range of neurological phenotypes including hemiplegic migraine, ataxia, mental retardation and epilepsy. In some cases, hemiplegic migraine attacks can be triggered by minor head ...
    • Self-administered biofeedback treatment app for pediatric migraine: A randomized pilot study 

      Stubberud, Anker; Linde, Mattias; Brenner, Eiliv; Heier, Martin; Olsen, Alexander; Aamodt, Anne Hege; Gravdahl, Gøril Bruvik; Tronvik, Erling Andreas (Peer reviewed; Journal article, 2020)
      Objective To investigate the effect size, safety, and tolerability of a therapist‐independent biofeedback treatment app among adolescent with migraine. Materials and Methods This was a prospective, 3:1 ratio randomized, ...
    • The crossover design for migraine preventives: an analyses of four randomized placebo-controlled trials 

      Astrid Bjørke, Jenssen; Stovner, Lars Jacob; Tronvik, Erling Andreas; Sand, Trond; Helde, Grethe; Gravdahl, Gøril Bruvik; Hagen, Knut (Journal article; Peer reviewed, 2019)
      Aims To evaluate the crossover design in migraine preventive treatment trials by assessing dropout rate, and potential period and carryover effect in four placebo-controlled randomized controlled trials (RCTs). Methods In ...