Blar i NTNU Open på forfatter "Hagen, Knut"
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Insomnia and risk of chronic musculoskeletal complaints: longitudinal data from the HUNT study, Norway
Uhlig, Benjamin Langsæter; Sand, Trond; Nilsen, Tom Ivar Lund; Mork, Paul Jarle; Hagen, Knut (Journal article; Peer reviewed, 2018)Background The aim of this study was to investigate the prospective association between insomnia and risk of chronic musculoskeletal complaints (CMSC) and chronic widespread musculoskeletal complaints (CWMSC). A second ... -
Is chronic low back pain a risk factor for diabetes? The Nord-Trøndelag Health Study
HEUCH, INGRID; Heuch, Ivar; Hagen, Knut; Sørgjerd, Elin Pettersen; Åsvold, Bjørn Olav; Zwart, John-Anker (Journal article; Peer reviewed, 2018)Objective The purpose of this study was to examine the risk of diabetes associated with the presence or absence of chronic low back pain, considering both cross-sectional and cohort data. Research design and methods ... -
Is there a U-shaped relationship between physical activity in leisure time and risk of chronic low back pain? A follow-up in the HUNT Study
HEUCH, INGRID; Heuch, Ivar; Hagen, Knut; Zwart, John-Anker (Journal article; Peer reviewed, 2016)Background Physical activity in leisure time is often considered to have favourable effects on the risk of low back pain (LBP), but demonstrating a definite association in epidemiological studies has proven difficult. The ... -
Is there an Association between vitamin D status and risk of chronic low bak pain? A nested case-Control analysis in the Nord-Trøndelag Health Study
HEUCH, INGRID; Heuch, Ivar; Hagen, Knut; Mai, Xiao-Mei; Langhammer, Arnulf; Zwart, John-Anker (Journal article; Peer reviewed, 2017)Objectives: To explore potential associations between vitamin D status and risk of chronic low back pain (LBP) in a Norwegian cohort, and to investigate whether relationships depend on the season of blood sample collection. ... -
Lifestyle factors and risk of migraine and tension-type headache. Follow-up data from the Nord-Trøndelag Health Surveys 1995-1997 and 2006-2008
Hagen, Knut; Åsberg, Anders Nikolai; Stovner, Lars Jacob; Linde, Mattias; Zwart, John-Anker; Winsvold, Bendik K S; HEUCH, INGRID (Journal article; Peer reviewed, 2018)Aims The aim of this population-based historical cohort study was to investigate the influence of lifestyle factors on the risk of developing migraine or tension-type headache (TTH). Methods Data from the Nord-Trøndelag ... -
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 ... -
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 ... -
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 ... -
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 ... -
Remission of chronic headache: An 11-year follow-up study. Data from the Nord-Trøndelag Health Surveys 1995–1997 and 2006–2008
Hagen, Knut; Kristoffersen, Espen Saxhaug; Winsvold, Bendik K S; Stovner, Lars Jacob; Zwart, John-Anker (Journal article; Peer reviewed, 2018)Objectives To estimate remission rates of chronic headache and predictors of remission. Methods In this longitudinal population-based cohort study, we used validated headache questionnaire data from the second (1995–1997, ... -
Sleep quality, arousal and pain thresholds in migraineurs: a blinded controlled polysomnographic study
Engstrøm, Morten; Hagen, Knut; Bjørk, Marte Helene; Stovner, Lars Jacob; Gravdahl, Gøril Bruvik; Stjern, Marit; Sand, Trond (Journal article; Peer reviewed, 2013)Background Our aim was to compare subjective and objective sleep quality and arousal in migraine and to evaluate the relationship between sleep quality and pain thresholds (PT) in controls, interictal, preictal and postictal ... -
Sleep-related and non-sleep-related migraine: interictal sleep quality, arousals and pain thresholds
Engstrøm, Morten; Hagen, Knut; Bjørk, Marte Helene; Gravdahl, Gøril Bruvik; Sand, Trond (Journal article; Peer reviewed, 2013)Background The mechanisms associating sleep and migraine are unknown. No previous polysomnographic (PSG) or pain-threshold (PT) study has compared patients with sleep-related migraine attacks (SM), non-sleep related ... -
The association between diabetes mellitus, glucose, and chronic musculoskeletal complaints. Results from the Nord-Trondelag Health Study
Hoff, Ole Martin; Midthjell, Kristian; Zwart, John-Anker; Hagen, Knut (Journal article; Peer reviewed, 2008)Background: The relationship between diabetes mellitus (DM) and chronic musculoskeletal complaints (MSCs) is unclear. The aim of this study was to investigate the association between DM, non-fasting glucose and chronic ...