Browsing Brage by Author "Nilsen, Kristian Bernhard"
Now showing items 1-20 of 27
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A tonic heat test stimulus yields a larger and more reliable conditioned pain modulation effect compared to a phasic heat test stimulus
Lie, Marie; Matre, Dagfinn; Hansson, Per; Stubhaug, Audun; Zwart, John-Anker; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2017) -
Conditioned pain modulation is not decreased after partial sleep restriction
Matre, Dagfinn; Andersen, Maria Raae; Knardahl, Stein; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2015)Background: Sleep problems have been identified as a risk factor for several chronic pain conditions. Reduced sleep has been related to increased pain perception and it has been hypothesized that reduced pain inhibition ... -
Experimental sleep restriction facilitates pain and electrically induced cortical responses
Matre, Dagfinn; Hu, Lu; Viken, Leif Andre; Hjelle, Ingri Berild; Wigemyr, Monica; Knardahl, Stein; Sand, Trond; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2015)Study Objectives: Sleep restriction (SR) has been hypothesized to sensitize the pain system. The current study determined whether experimental sleep restriction had an effect on experimentally induced pain and pain-elicited ... -
Experimental sleep restriction increases latency jitter in pain elicited cortical responses
Hansen, Johannes Orvin; Omland, Petter Moe; Nilsen, Kristian Bernhard; Sand, Trond; Matre, Dagfinn (Peer reviewed; Journal article, 2021)Objective Previous studies have shown increased pain scores to painful stimulation after experimental sleep restriction, but reduced or unchanged magnitude of the event related potentials (ERPs) when averaged in the ... -
Impact of technical variations on the ring-finger test for carpal tunnelsyndrome
Schulze, Daniel Gregor; Nordby, Karl-Christian; Småstuen, Milada Cvancarova; Clemm, Thomas; Grotle, Margreth; Zwart, John-Anker; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2019)Objective To assess if recording the sensory latencies of the median and ulnar nerves one-by-one (consecutive) or at the same time (simultaneous) in the ring-finger test for carpal tunnel syndrome (CTS) will show equivalent ... -
Impaired awareness of hypoglycemia in adults with type 1 diabetes is not associated with autonomic dysfunction or peripheral neuropathy
Olsen, Sandra Elise; Bjørgaas, Marit Ragnhild Rokne; Åsvold, Bjørn Olav; Sand, Trond; Stjern, Marit; Frier, Brian; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2015)OBJECTIVE: Impaired awareness of hypoglycemia (IAH) is a risk factor for severe hypoglycemia in people with insulin-treated diabetes; autonomic neuropathy has been suggested to underlie its development. The aim was to ... -
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, 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 ... -
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 (Peer reviewed; Journal article, 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 ... -
Influence of ergonomic factors on peripheral neuropathy under HAV exposure
Schulze, Daniel Gregor; Nilsen, Kristian Bernhard; Clemm, Thomas; Grotle, Margreth; Zwart, John Anker Henrik; Ulvestad, Bente; Nordby, Karl-Christian (Peer reviewed; Journal article, 2022)Background: Hand-arm vibration (HAV) is a risk factor for carpal tunnel syndrome (CTS) and ulnar neuropathy at the elbow (UNE). It is unclear how ergonomic factors influence the relationship between HAV exposure and CTS ... -
Low Back Pain With Persistent Radiculopathy; the Clinical Role of Genetic Variants in the Genes SOX5, CCDC26/GSDMC and DCC
Lie, Marie; Pedersen, Linda Margareth; Heuch, Ingrid; Winsvold, Bendik K S; Gjerstad, Johannes; Hasvik, Eivind Olay; Nygaard, Øystein Petter; Grotle, Margreth; Matre, Dagfinn; Zwart, John Anker Henrik; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2022)In a recently published genome-wide association study (GWAS) chronic back pain was associated with three loci; SOX5, CCDC26/GSDMC and DCC. This GWAS was based on a heterogeneous sample of back pain disorders, and it is ... -
Night-shift work is associated with increased pain perception
Matre, Dagfinn; Knardahl, Stein; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2017)Objectives: The aim of the present study was to determine whether shift workers exhibit increased perception of experimentally induced pain after working night shifts. Methods: The study was a paired cross-over design with ... -
Pain complaints after consecutive nights and quick returns in Norwegian nurses working three-shift rotation: an observational study
Katsifaraki, Maria; Nilsen, Kristian Bernhard; Christensen, Jan Olav; Wærsted, Morten; Knardahl, Stein; Bjorvatn, Bjørn; Härmä, Mikko; Matre, Dagfinn (Peer reviewed; Journal article, 2020)Objectives To determine whether nurses working consecutive night shifts, or short transitions between shifts (quick returns (QRs)), yielded higher risk for pain complaints when compared with regular morning shifts. Sleep ... -
Pain complaints are associated with quick returns and insomnia among Norwegian nurses, but do not difer between shift workers and day only workers
Matre, Dagfinn; Nilsen, Kristian Bernhard; Katsifaraki, Maria; Waage, Siri; Pallesen, Ståle; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2019)Purpose To determine whether common work schedule characteristics among Norwegian nurses were associated with subjective pain complaints. Methods A cross-sectional study in a sample of 1585 nurses, part of the longitudinal ... -
Pain complaints are associated with quick returns and insomnia among Norwegian nurses, but do not differ between shift workers and day only workers
Matre, Dagfinn; Nilsen, Kristian Bernhard; Katsifaraki, Maria; Waage, Siri; Pallesen, Ståle; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2020)Purpose To determine whether common work schedule characteristics among Norwegian nurses were associated with subjective pain complaints. Methods A cross-sectional study in a sample of 1585 nurses, part of the longitudinal ... -
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 (Peer reviewed; Journal article, 2018) -
Predicting the outcome of persistent sciatica using conditioned pain modulation: 1-year results from a prospective cohort study
Fjeld, Olaf Randall; Grotle, Margreth; Matre, Dagfinn; Pedersen, Linda Margareth; Lie, Marie; Småstuen, Milada Cvancarova; Storheim, Kjersti; Heuch, Ingrid; Stubhaug, Audun; Zwart, John-Anker; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2019)Background and aims Recovery in patients hospitalised with severe sciatica is unpredictable. Prognostic tools to aid clinicians in the early identification of patients at risk of developing chronic sciatic pain are warranted. ... -
Prognostic Factors for Persistent Leg-Pain in Patients Hospitalized with Acute Sciatica
Fjeld, Olaf Randall; Grotle, Margreth; Siewers, Vibeke; Pedersen, Linda Margareth; Nilsen, Kristian Bernhard; Zwart, John-Anker (Peer reviewed; Journal article, 2017) -
Psychophysical or spinal reflex measures when assessing conditioned pain modulation?
Lie, Marie; Petriu, Elena; Matre, Dagfinn; Hansson, Per; Andersen, Ole Kæseler; Zwart, John-Anker; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2019)Background Assessing conditioning pain modulation (CPM) with spinal reflex measures may produce more objective and stable CPM effects than using psychophysical measures. The aim of the study was to compare the CPM effect ... -
Recommendations on practice of conditioned pain modulation (CPM) testing
Yarnitsky, D.; Bouhassira, D.; Drewes, A.M.; Filingim, R.B.; Granot, M.; Hansson, Per; Landau, R.; Marchand, S.; Matre, Dagfinn; Stubhaug, Audun; Nilsen, Kristian Bernhard; Treede, R.D.; Wilder-Smith, O.H.G. (Peer reviewed; Journal article, 2015)Protocols for testing conditioned pain modulation (CPM) vary betweendifferent labs/clinics. In order to promote research and clinical applicationof this tool, we summarize the recommendations of interested researchersconsensus ... -
Shift work, inflammation and musculoskeletal pain. The HUNT Study
Matre, Dagfinn; Christensen, Jan Olav; Mork, Paul Jarle; Ferreira, Paulo; Sand, Trond; Nilsen, Kristian Bernhard (Peer reviewed; Journal article, 2021)Background: Studies have indicated that shift work, in particular night work, is associated with chronic musculoskeletal pain but the mechanisms are unclear. It has been suggested that sleep disturbance, a common complaint ...