Browsing Publikasjoner fra Cristin - St. Olavs hospital by Author "Hagen, Knut"
Now showing items 1-20 of 24
-
Association between blood pressure measures and recurrent headache in adolescents: cross-sectional data from the HUNT-Youth study
Tronvik, Erling; Zwart, John-Anker; Hagen, Knut; Dyb, Grete; Holmen, Turid Lingaas; Stovner, Lars Jacob (Journal article; Peer reviewed, 2011)The relationship between blood pressure and headache in youth has not been explored and the objective of the present study was to provide data on this association in an adolescent population. Cross-sectional data from a ... -
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 ... -
Caesarean section and the association with migraine: a retrospective register-linked HUNT population cohort study
Kristoffersen, Espen Saxhaug; Børte, Sigrid; Hagen, Knut; Zwart, John-Anker; Winsvold, Bendik K S (Peer reviewed; Journal article, 2020)Objectives To evaluate the association between caesarean section and migraine in a population-based register-linked cohort study. Setting Data from the population-based Nord-Trøndelag Health Studies (HUNT2 and HUNT3) ... -
Cerebral cortical dimensions in headache sufferers aged 50-66 years: a population-based imaging study in the Nord-Trondelag Health Study (HUNT-MRI)
Husøy, Andreas Kattem; Håberg, Asta Kristine; Rimol, Lars Morten; Hagen, Knut; Vangberg, Torgil Riise; Stovner, Lars Jacob (Journal article; Peer reviewed, 2019)Based on previous clinic-based magnetic resonance imaging studies showing regional differences in the cerebral cortex between those with and without headache, we hypothesized that headache sufferers have a decrease in ... -
Diffusion tensor imaging in middle-aged headache sufferers in the general population: A cross-sectional population-based imaging study in the Nord-Trøndelag health study (HUNT-MRI)
Husøy, Andreas Kattem; Eikenes, Live; Håberg, Asta; Hagen, Knut; Stovner, Lars Jacob (Journal article; Peer reviewed, 2019)Background Several studies have investigated white matter with diffusion tensor imaging (DTI) in those suffering from headache, but so far only in clinic based samples and with conflicting results. Methods In the present ... -
Does diabetes influence the probability of experiencing chronic low back pain? A population-based cohort study: the Nord-Trøndelag Health Study
Heuch, Ingrid; Heuch, Ivar; Hagen, Knut; Sørgjerd, Elin Pettersen; Åsvold, Bjørn Olav; Zwart, John-Anker (Journal article; Peer reviewed, 2019)Objective Low back pain (LBP) is a major problem in modern society and it is important to study possible risk factors for this disorder. People with diabetes are often affected by LBP, but whether diabetes represents a ... -
Does the risk of chronic low back pain depend on age at menarche or menopause? A population-based cross-sectional and cohort study: the Trøndelag Health Study
Heuch, Ingrid; Heuch, Ivar; Hagen, Knut; Storheim, Kjersti; Zwart, John Anker Henrik (Peer reviewed; Journal article, 2022)Objective In most population-based studies of low back pain (LBP), women have a higher risk than men, possibly reflecting hormonal influences. The aim of this study was to explore associations between age at menarche and ... -
FollowTheSutures: Piloting a new way to administer onabotulinumtoxinA for chronic migraine.
Stovner, Lars Jacob; Hagen, Knut; Tronvik, Erling Andreas; Gravdahl, Gøril Bruvik; Burstein, Rami; Dodick, David W. (Peer reviewed; Journal article, 2022)Background Anatomical and experimental data indicate that onabotulinimtoxin A could be more efficient and cost-effective for treating chronic migraine with injections targeting the cranial sutures, where collaterals from ... -
The global prevalence of headache: an update, with analysis of the influences of methodological factors on prevalence estimates
Stovner, Lars Jacob; Hagen, Knut; Linde, Mattias; Steiner, Timothy J. (Peer reviewed; Journal article, 2022)Background According to the Global Burden of Disease (GBD) study, headache disorders are among the most prevalent and disabling conditions worldwide. GBD builds on epidemiological studies (published and unpublished) ... -
The impact of topiramate, botulinum toxin type A, and CGRP-antibodies on medication overuse headache in patients with chronic migraine: A protocol for systematic review and meta-analysis
Giri, Samita; Tronvik, Erling Andreas; Linde, Mattias; Hagen, Knut (Peer reviewed; Journal article, 2022)Medication overuse headache (MOH) is defined as headache occurring ≥15 days/month developing as a consequence of regular overuse of acute or symptomatic headache medication for more than 3 months. MOH is present in more ... -
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 ... -
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. ... -
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 ... -
Pragmatiske studier – hva er det?
Lyngbakken, Magnus Nakrem; Paulsen, Aksel; Sethupathy, Ashwini; Hesselberg, Øyvind; Grimsgaard, Sameline; Hagen, Knut (Peer reviewed; Journal article, 2021) -
Reliability of a self-administrated musculoskeletal questionnaire: The fourth Trøndelag health study
Dahl, Astri Grøtan; Havang, Sara; Hagen, Knut (Peer reviewed; Journal article, 2021)Background: The reliability of the Nordic Musculoskeletal Questionnaire (NMQ) has not been evaluated in an unselected general population. The aim of this population-based follow-up study was to estimate the reliability ... -
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 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 ... -
The HUNT4 study: the validity of questionnaire-based diagnoses
Hagen, Knut; Åsberg, Anders Nikolai; Uhlig, Benjamin Langsæter; Tronvik, Erling Andreas; Brenner, Eiliv; Sand, Trond (Journal article; Peer reviewed, 2019)Background Questionnaire-based headache diagnoses should be validated against diagnoses made by the gold standard, which is personal interview by a headache expert. The diagnostic algorithm with the best diagnostic accuracy ... -
The impact of headache and chronic musculoskeletal complaints on the risk of insomnia: longitudinal data from the Nord-Trondelag health study
Ødegård, Siv Steinsmo; Sand, Trond; Engstrøm, Morten; Zwart, John-Anker; Hagen, Knut (Journal article; Peer reviewed, 2013)Background A strong relationship between insomnia and painful disorders has been found, but it is still unclear whether chronic pain leads to insomnia. There is a need of large-scale prospective studies to evaluate if ...