Blar i NTNU Open på forfatter "Sand, Trond"
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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 ... -
Increased frontal electroencephalogram theta amplitude in patients with anorexia nervosa compared to healthy controls
Hestad, Knut; Weider, Siri; Nilsen, Kristian Bernhard; Indredavik, Marit Sæbø; Sand, Trond (Journal article; Peer reviewed, 2016)Objective: To conduct a blind study of quantitative electroencephalogram-band amplitudes in patients with anorexia nervosa (AN) and healthy controls. Methods: Twenty-one patients with AN and 24 controls were examined with ... -
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 ... -
KLINISK NYTTEVERDI AV SPINAL MR VED OPPFØLGING AV PASIENTER MED MULTIPPEL SKLEROSE
Ur, Håvard (Master thesis, 2021)Bakgrunn MR er en sentral undersøkelse i både diagnostisering og oppfølging av MS-pasienter. Internasjonale MR-retningslinjer for MS (MAGNIMS guidelines) fra 2015 anbefaler ikke rutinemessig bruk av spinal MR i oppfølgingen ... -
Migraine and sleep: The effects of insufficient sleep on brain function in migraine
Mykland, Martin Syvertsen (Doctoral theses at NTNU;2023:330, Doctoral thesis, 2023)Background Migraine affects about 15 % of the adult population aged 15-64 years old. The combined large prevalence and considerable disability of migraine makes it the first cause of most years lived with disability below ... -
Neuropathy 10-15 years after Roux-en-Y gastric bypass for severe obesity: A controlled cross-sectional nerve conduction study
Sand, Trond; Grøtting, Arnstein; Uglem, Martin; Augestad, Nils; Sandvik, Jorunn (Master thesis, 2022)Vårt mål var å lete etter langtidskomplikasjoner i det perifere nervesystemet 10-15 år etter bariatrisk kirurgi med Roux-en-Y gastrisk bypass. Vi rekrutterte 175 pasienter med alder 52.0 (9.2), BMI gjennomsnitt=35.2 og en ... -
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 ... -
Pain and Fatigue in Young Adults with Juvenile Idiopathic Arthritis – Based on A Nordic Prospective Longitudinal Study
Arnstad, Ellen Dalen (Doctoral theses at NTNU;2020:3019, Doctoral thesis, 2020) -
PAIN AND PERINATAL FACTORS Association of preterm birth and low birth weight with long-term chronic pain and experimental pain sensitivity
Iversen, Johanne Marie (Doctoral theses at NTNU;2018:25, Doctoral thesis, 2018)Adverse early life factors may be associated with long-term alterations in health and disease susceptibility. Low birth weight, an indicator of reduced fetal growth or preterm birth, may be associated with altered brain ... -
Pain sensitivity and thermal detection thresholds in young adults born preterm with very low birth weight or small for gestational age at term compared with controls
Iversen, Johanne Marie; Uglem, Martin; Indredavik, Marit Sæbø; Romundstad, Pål Richard; Nilsen, Kristian Bernhard; Sand, Trond; Rygg, Marite (Journal article; Peer reviewed, 2018)The objective of this prospective long-term follow-up study was to investigate whether somatosensory function is altered among young adults born preterm with very low birth weight (VLBW; ≤1,500 g) or small for gestational ... -
Pain sensitivity in young adults with juvenile idiopathic arthritis: a quantitative sensory testing study
Arnstad, Ellen Dalen; Iversen, Johanne Marie; Uglem, Martin; Glerup, Mia; Romundstad, Pål Richard; Sand, Trond; Rygg, Marite (Peer reviewed; Journal article, 2020)Background: To study for the first-time, pain perception, pain sensitivity, and self-reported pain in young adults with long disease duration of juvenile idiopathic arthritis (JIA) compared with controls. Methods: Children ... -
Pain, autonomic activation and muscular activation to experimentally-induced cognitive stress in headache patients
Leistad, Rune Bang (Doktoravhandlinger ved NTNU, 1503-8181; 2007:186, Doctoral thesis, 2007)Background and objectives Stress is in several studies mentioned as the most frequent trigger of headache. Nevertheless, the exact mechanisms by which stress induces headache is poorly understood and relatively few studies ... -
Pharmacokinetics and -dynamics of intramuscular and intranasal naloxone: an explorative study in healthy volunteers
Skulberg, Arne Kristian; Tylleskär, Ida; Nilsen, Turid; Skarra, Sissel; Salvesen, Øyvind; Sand, Trond; Loftsson, Thorsteinn; Dale, Ola (Journal article; Peer reviewed, 2018)Purpose This study aimed to develop a model for pharmacodynamic and pharmacokinetic studies of naloxone antagonism under steady-state opioid agonism and to compare a high-concentration/low-volume intranasal naloxone ... -
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 ... -
Quantitative EEG findings in patients with acute, brief depression combined with other fluctuating psychiatric symptoms: a controlled study from an acute psychiatric department
Bjørk, Marte Helene; Sand, Trond; Bråthen, Geir; Linaker, Olav Morten; Morken, Gunnar; Nilsen, Brigt; Vaaler, Arne (Journal article; Peer reviewed, 2008)Background: Patients with brief depressive episodes and concurrent rapidly fluctuating psychiatric symptoms do not fit current diagnostic criteria and they can be difficult to diagnose and treat in an acute psychiatric ... -
Seasonality in pain, sleep and mental distress in patients with chronic musculoskeletal pain at latitude 69° N
Abeler, Karin; Sand, Trond; Friborg, Oddgeir; Bergvik, Svein (Peer reviewed; Journal article, 2020)Seasonality is evident in several aspects of human health and behavior, whereas seasonality in chronic pain is less well studied. We examined seasonal variation in pain severity and pain dissemination, as well as in ... -
Sleep Characteristics in Adults With and Without Chronic Musculoskeletal Pain. The Role of Mental Distress and Pain Catastrophizing
Abeler, Karin; Friborg, Oddgeir; Engstrøm, Morten; Sand, Trond; Bergvik, Svein (Peer reviewed; Journal article, 2020)Objectives: Sleep disturbance is associated with persistence and exacerbation of chronic pain. As this relationship seems to be bidirectional, factors underpinning sleep disturbance may prove important in multimodal ... -
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 restriction alters cortical inhibition in migraine: A transcranial magnetic stimulation study
Mykland, Martin Syvertsen; Uglem, Martin; Neverdahl, Jan Petter; Øie, Lise Rystad; Meisingset, Tore Wergeland; Dodick, David W.; Tronvik, Erling Andreas; Engstrøm, Morten; Sand, Trond; Omland, Petter Moe (Peer reviewed; Journal article, 2022)Objective Migraine is a primary headache disorder with a well-known association with insufficient sleep. However, both the underlying pathophysiology of the disease and the relationship with sleep is still unexplained. In ...