Blar i NTNU Open på forfatter "Hagen, Knut"
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Menopausal hormone therapy, oral contraceptives and risk of chronic low back pain: the HUNT Study
Heuch, Ingrid; Heuch, Ivar; Hagen, Knut; Storheim, Kjersti; Zwart, John Anker Henrik (Peer reviewed; Journal article, 2023)Background There are indications that use of menopausal hormone therapy (MHT) and oral contraceptives (OC) increases the risk of low back pain (LBP), with higher oestrogen levels involved in the underlying mechanisms. ... -
Migraine and endothelial function
Larsen, Joakim Schjølberg (Master thesis, 2015)Background: Reduced endothelial function is associated with elevated risk of cardiovascular disease, but evidence on the association between migraine and endothelial function is conflicting. The aim of this population-based ... -
Migraine and endothelial function: The HUNT3 Study.
Larsen, Joakim Schjølberg; Skaug, Eli-Anne; Wisløff, Ulrik; Ellingsen, Øyvind; Stovner, Lars Jacob; Linde, Mattias; Hagen, Knut (Journal article; Peer reviewed, 2016)Background: Reduced endothelial function is associated with elevated risk of cardiovascular disease, but evidence on the association between migraine and endothelial function is conflicting. The aim of this population-based ... -
Migraine and musculoskeletal complaints: The association with mortality
Åsberg, Anders Nikolai (Doctoral theses at NTNU;2020:107, Doctoral thesis, 2020)Summary in English Background Migraine and musculoskeletal complaints are both common conditions in the general population. They are major causes of morbidity and disability, and have a huge socioeconomic impact on ... -
Migraine, obesity and body fat distribution - a population-based study
Kristoffersen, Espen Saxhaug; Børte, Sigrid; Hagen, Knut; Zwart, John-Anker; Winsvold, Bendik K S (Peer reviewed; Journal article, 2020)Background: Obesity has been linked to an increased prevalence of migraine, and to increased migraine attack frequency, but several questions are left unanswered by previous studies. We examined the relationship between ... -
Mitochondrial genome-wide association study of migraine – the HUNT Study
Børte, Sigrid; Zwart, John-Anker; Skogholt, Anne Heidi; Gabrielsen, Maiken Elvestad; Thomas, Laurent; Fritsche, Lars G; Surakke, Ida; Nielsen, Jonas B.; Zhou, Wei; Wolford, Brooke; Vigeland, Magnus Dehli; Hagen, Knut; Kristoffersen, Espen Saxhaug; Nyholt, Dale R; Chasman, Daniel I; Brumpton, Ben Michael; Willer, Christen; Winsvold, Bendik K S (Peer reviewed; Journal article, 2020)Background Variation in mitochondrial DNA (mtDNA) has been indicated in migraine pathogenesis, but genetic studies to date have focused on candidate variants, with sparse findings. We aimed to perform the first mitochondrial ... -
Morphology and lesions of the brain among headache sufferers in the general adult population
Honningsvåg, Lasse-Marius (Doctoral theses at NTNU;2018:301, Doctoral thesis, 2018)Sammendrag Bakgrunn Hodepine er som regel en ufarlig lidelse, men kan i noen tilfeller være symptom på forandringer i hjernen, slik som svulst eller nevrologisk sykdom. De fleste studiene som har tatt for seg forekomsten ... -
No association between chronic musculoskeletal complaints and Val158Met polymorphism in the Catechol-O-methyltransferase gene. The HUNT Study
Hagen, Knut; Pettersen, Elin; Stovner, Lars Jacob; Skorpen, Frank; Zwart, John-Anker (Journal article; Peer reviewed, 2006-05-04)Background: The Catechol-O-methyltransferase (COMT) gene contains a functional polymorphism, Val158Met, that has been found to influence human pain perception. In one study fibromyalgia was less likely among those with ... -
Non-invasive cortical modulation of experimental pain in migraine
Uglem, Martin; Omland, Petter Moe; Engstrøm, Morten; Gravdahl, Gøril Bruvik; Linde, Mattias; Hagen, Knut; Sand, Trond (Journal article; Peer reviewed, 2016)Objective: To test the hypothesis that secondary somatosensory cortex (S2) is involved in the migraine pathogenesis, by exploring the effect of navigated repetitive transcranial magnetic stimulation (rTMS) to S2 on ... -
Obstructive sleep apnoea and headache: the HUNT3 polysomnography study
Filosa, James (Master thesis, 2021)Bakgrunn: Hovedformålet var å studere sammenhengen mellom obstruktiv søvnapné (OSA) og hodepine i populasjonsbasert utvalg. Studien hadde også som mål å studere sammenhengen mellom hodepine og komorbid insomni og OSA ... -
One‑year prevalence of cluster headache, hemicrania continua, paroxysmal hemicrania and SUNCT in Norway: a population‑based nationwide registry study
Hagen, Knut (Peer reviewed; Journal article, 2024)Background - There is lack of population-based studies evaluating the prevalence of paroxysmal hemicrania, hemicrania continua and short-lasting unilateral neuralgiform headache attacks. Objectives - The aim of this study ... -
Paranasal sinus opacification in headache sufferers: A population-based imaging study (the HUNT study-MRI).
Hansen, Aleksander Grande; Stovner, Lars Jacob; Hagen, Knut; Helvik, Anne-Sofie; Thorstensen, Wenche Moe; Nordgård, Ståle; Bugten, Vegard; Eggesbø, Heidi Beate (Journal article; Peer reviewed, 2016)Background: The association between headache and paranasal sinus disease is still unclear. Because of symptom overlap, the two conditions are not easily studied on the basis of symptoms alone. The aim of the present study ... -
Parental migraine in relation to migraine in offspring: Family linkage analyses from the HUNT Study
Børte, Sigrid; Zwart, John-Anker; Stensland, Synne; Hagen, Knut; Winsvold, Bendik K S (Journal article; Peer reviewed, 2019)Background Migraine is known to run in families. While some clinical studies have indicated that migraine is disproportionally transmitted through the maternal line, this has not been examined in a population-based ... -
Physical activity as a predictor for chronic musculoskeletal complaints: Results from the Nord-Trøndelag Heath Study
Holthe, H; Werpen, Hanne; Zwart, John-Anker; Hagen, Knut (Journal article; Peer reviewed, 2008-12-01)Background: Physical inactivity is associated with several diseases, but studies evaluating the association between chronic musculoskeletal complaints (MSCs) and physical exercise have shown conflicting results. The aim ... -
Physical activity level at work and risk of chronic low back pain: A follow-up in the Nord-Trøndelag Health Study
Heuch, Ingrid; Heuch, Ivar; Hagen, Knut; Zwart, John-Anker (Journal article; Peer reviewed, 2017)Background: Physical activity in leisure time seems to reduce the risk of low back pain, but it is not known whether occupational activity, as recorded in a representative working population, produces a higher or lower ... -
Physical work exposure, chronic musculoskeletal pain and risk of insomnia: longitudinal data from the HUNT study, Norway
Skarpsno, Eivind S.; Nilsen, Tom Ivar Lund; Sand, Trond; Hagen, Knut; Mork, Paul Jarle (Journal article; Peer reviewed, 2018)Objectives To prospectively investigate (i) the association of physical work demands and work-related physical fatigue with risk of insomnia symptoms and (ii) if these associations are influenced by chronic musculoskeletal ... -
Pragmatiske studier – hva er det?
Lyngbakken, Magnus Nakrem; Paulsen, Aksel; Sethupathy, Ashwini; Hesselberg, Øyvind; Grimsgaard, Sameline; Hagen, Knut (Peer reviewed; Journal article, 2021) -
Praktisk håndtering av hodepine
Aamodt, Anne Hege; Bjørk, Marte-Helene; Alstadhaug, Karl Bjørnar; Eldøen, Guttorm; Dueland, Aud Nome; Poole, Tine; Hagen, Knut; Vetvik, Kjersti; Ofte, Hilde Karen; Sønnervik, Julie; Kristoffersen, Espen Saxhaug; Winsvold, Bendik K S; Lundqvist, Christofer; Sagabråten, Ståle Onsgår (Journal article; Peer reviewed, 2019)Korrekt diagnostikk av ulike hodepinetyper kan være utfordrende, men det er den viktigste forutsetningen for optimal behandling. Det anbefales kontrollert bruk av anfallsmedisin og forebyggende tiltak. Hodepinesykdommer ... -
Reliability of a self-administered musculoskeletal pain questionnaire: The fourth Trøndelag Health Study (HUNT4)
Dahl, Astri Grøtan; Havang, Sara (Master thesis, 2021)Sammendrag Bakgrunn: Formålet med denne populasjonsbaserte studien var å estimere reliabilitet mellom et selv-administrert spørreskjema og et semi-strukturet intervju utført omlag to måneder senere. Vi beregnet i tillegg ... -
Reliability of a self-administered musculoskeletal pain questionnaire: The fourth Trøndelag Health Study (HUNT4)
Dahl, Astri Grøtan; Havang, Sara (Master thesis, 2021)Sammendrag Bakgrunn: Formålet med denne populasjonsbaserte studien var å estimere reliabilitet mellom et selv-administrert spørreskjema og et semi-strukturet intervju utført omlag to måneder senere. Vi beregnet i tillegg ...