Browsing NTNU Open by Author "Kristoffersen, Espen Saxhaug"
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The association between pain and central nervous system depressing medication among hospitalised Norwegian older adults
Bjelkarøy, Maria Torheim; Cheng, Socheat; Siddiqui, Tahreem Ghazal; Saltyte Benth, Jurate; Grambaite, Ramune; Kristoffersen, Espen Saxhaug; Lundqvist, Christofer (Peer reviewed; Journal article, 2021)Objectives Central nervous system depressant medications (CNSD) including benzodiazepines, z-hypnotics and opioids are regularly prescribed for the older patient. These medications are linked to dependence and associated ... -
Association between prescribed central nervous system depressant drugs, comorbidity and cognition among hospitalised older patients: a cross-sectional study
Siddiqui, Tahreem Ghazal; Cheng, Socheat; Gossop, Michael; Kristoffersen, Espen Saxhaug; Grambaite, Ramune; Lundqvist, Christofer (Peer reviewed; Journal article, 2020)Objectives Central nervous system depressants (CNSDs) such as opioids, benzodiazepine and Z-hypnotics are commonly used. However, CNSDs may influence cognitive function, especially in older hospitalised patients with ... -
Association between prescribed central nervous system depressant drugs, comorbidity and cognition among hospitalised older patients: a cross-sectional study
Cheng, Socheat; Gossop, Michael; Kristoffersen, Espen Saxhaug; Grambaite, Ramune; Lundqvist, Anders Christofer (Peer reviewed; Journal article, 2020)Objectives Central nervous system depressants (CNSDs) such as opioids, benzodiazepine and Z-hypnotics are commonly used. However, CNSDs may influence cognitive function, especially in older hospitalised patients ... -
Brief Intervention as a Method to Reduce Z-Hypnotic Use by Older Adults: Feasibility Case Series
Bjelkarøy, Maria Torheim; Simonsen, Tone Breines; Siddiqui, Tahreem Ghazal; Halset, Sigrid; Cheng, Socheat; Grambaite, Ramune; Saltyte Benth, Jurate; Gerwing, Jennifer; Kristoffersen, Espen Saxhaug; Lundqvist, Anders Christofer (Journal article; Peer reviewed, 2024)Background: Z-hypnotics or z-drugs are commonly prescribed for insomnia and sleep difficulties in older adults. These drugs are associated with adverse events and dependence and are not recommended for long-term use. Despite ... -
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) ... -
Cluster Headache Genomewide Association Study and Meta-Analysis Identifies Eight Loci and Implicates Smoking as Causal Risk Factor
Winsvold, Bendik Kristoffer Slagsvold; Harder, Aster V. E.; Ran, Caroline; Chalmer, Mona A.; Dalmasso, Maria Carolina; Ferkingstad, Egil; Tripathi, Kumar Parijat; Bacchelli, Elena; Børte, Sigrid; Fourier, Carmen; Petersen, Anja S.; Vijfhuizen, Lisanne S.; Magnusson, Sigurdur H.; O'Connor, Emer; Bjornsdottir, Gyda; Häppölä, Paavo; Wang, Yen-Feng; Callesen, Ida; Kelderman, Tim; Gallardo, Victor J; de Boer, Irene; Olofsgård, Felicia Jennysdotter; Heinze, Katja; Lund, Nunu; Thomas, Laurent Francois; Hsu, Chia-Lin; Pirinen, Matti; Hautakangas, Heidi; Ribasés, Marta; Guerzoni, Simona; Sivakumar, Prasanth; Yip, Janice; Heinze, Axel; Küçükali, Fahri; Ostrowski, Sisse R.; Pedersen, Ole B.; Kristoffersen, Espen Saxhaug; Martinsen, Amy; Artigas, María S.; Lagrata, Susie; Cainazzo, Maria Michela; Adebimpe, Joycee; Quinn, Olivia; Göbel, Carl; Cirkel, Anna; Volk, Alexander E.; Heilmann-Heimbach, Stefanie; Skogholt, Anne Heidi; Gabrielsen, Maiken Elvestad; Wilbrink, Leopoldine A.; Danno, Daisuke; Mehta, Dwij; Guðbjartsson, Daníel F.; Rosendaal, Frits Richard; Willems van Dijk, Ko; Fronczek, Rolf; Wagner, Michael; Scherer, Martin; Göbel, Hartmut; Sleegers, Kristel; Sveinsson, Olafur A.; Pani, Luca; Zoli, Michele; Ramos-Quiroga, Josep A.; Dardiotis, Efthimios; Steinberg, Anna; Riedel-Heller, Steffi; Sjöstrand, Christina; Thorgeirsson, Thorgeir E.; Stefansson, Hreinn; Southgate, Laura; Trembath, Richard C.; Vandrovcova, Jana; Noordam, Raymond; Paemeleire, Koen; Stefansson, Kari; Fann, Cathy Shen-Jang; Waldenlind, Elisabet; Tronvik, Erling Andreas; Jensen, Rigmor H.; Chen, Shih-Pin; Houlden, Henry; Terwindt, Gisela M.; Kubisch, Christian; Maestrini, Elena; Vikelis, Michail; Pozo-Rosich, Patricia; Belin, Andrea C.; Matharu, Manjit; van den Maagdenberg, Arn M.J.M.; Hansen, Thomas; Ramirez, Alfredo; Zwart, John Anker Henrik (Peer reviewed; Journal article, 2023)Objective The objective of this study was to aggregate data for the first genomewide association study meta-analysis of cluster headache, to identify genetic risk variants, and gain biological insights. Methods A ... -
COL11A1 is associated with developmental dysplasia of the hip and secondary osteoarthritis in the HUNT study
Jacobsen, Kaya Kvarme; Børte, Sigrid; Laborie, Lene Bjerke; Kristiansen, Hege; Schäfer, Annette; Gundersen, Trude; Zayats, Tetyana; Winsvold, Bendik Kristoffer Slagsvold; Karen, Rosendahl; Martinsen, Amy; Skogholt, Anne Heidi; Brumpton, Ben Michael; Willer, Cristen J; Fors, Egil Andreas; Kristoffersen, Espen Saxhaug; Heuch, Ingrid; Mundal, Ingunn Pernille; Zwart, John Anker Henrik; Nielsen, Jonas B.; Storheim, Kjersti; Hagen, Knut; Nilsen, Kristian Bernhard; Hveem, Kristian; Fritsche, Lars G; Thomas, Laurent Francois; Pedersen, Linda Margareth; Gabrielsen, Maiken Elvestad; Lie, Marie U.; Stensland, Synne; Zhou, Wei (Peer reviewed; Journal article, 2023)Objective: Developmental dysplasia of the hip (DDH) is a congenital condition affecting 2-3% of all infants. DDH increases the risk of osteoarthritis, is the cause of 30% of all total hip arthroplasties (THAs) in adults ... -
Dissecting the shared genetic basis of migraine and mental disorders using novel statistical tools
Bahrami, Shahram; Hindley, Guy Frederick Lanyon; Winsvold, Bendik K S; O'Connell, Kevin S; Frei, Oleksandr; Shadrin, Alexey; Cheng, Weiqiu; Bettella, Francesco; Rødevand, Linn; Ødegaard, Ketil Joachim; Fan, Chun C; Pirinen, Matti J; Hautakangas, Heidi M; Martinsen, Amy; Skogholt, Anne Heidi; Brumpton, Ben Michael; Willer, Cristen J; Tronvik, Erling Andreas; Kristoffersen, Espen Saxhaug; Zwart, John Anker Henrik; Nielsen, Jonas Bille; Hagen, Knut; Nilsen, Kristian Bernhard; Hveem, Kristian; Stovner, Lars Jacob; Fritsche, Lars; Thomas, Laurent; Pedersen, Linda Margareth; Gabrielsen, Maiken Elvestad; Johnsen, Marianne Bakke; Lie, Marie; Holmen, Oddgeir Lingaas; Børte, Sigrid; Stensland, Synne; Zhou, Wei; Dale, Anders; Djurovic, Srdjan; Smeland, Olav Bjerkehagen; Andreassen, Ole (Peer reviewed; Journal article, 2022)Migraine is three times more prevalent in people with bipolar disorder or depression. The relationship between schizophrenia and migraine is less certain although glutamatergic and serotonergic neurotransmission are ... -
The effect of cognitive function and central nervous system depressant use on mortality—A prospective observational study of previously hospitalised older patients
Siddiqui, Tahreem Ghazal; Bjelkarøy, Maria Torheim; Cheng, Socheat; Kristoffersen, Espen Saxhaug; Grambaite, Ramune; Lundqvist, Christofer (Journal article; Peer reviewed, 2022) -
Genetic Susceptibility Loci in Genomewide Association Study of Cluster Headache
Harder, Aster V.E.; Winsvold, Bendik K S; Noordam, Raymond; Vijfhuizen, Lisanne S.; Børte, Sigrid; Kogelman, Lisette J.A.; de Boer, Irene; Tronvik, Erling Andreas; Rosendaal, Frits; Willems van Dijk, Ko; O'Connor, Emer; Fourier, Carmen; Thomas, Laurent; Kristoffersen, Espen Saxhaug; Fronczek, Rolf; Pozo-Rosich, Patricia; Jensen, Rigmor; Ferrari, Michel D.; Hansen, Thomas; Zwart, John-Anker; Terwindt, Gisela M.; van den Maagdenberg, Arn M.J.M (Peer reviewed; Journal article, 2021)Objective Identifying common genetic variants that confer genetic risk for cluster headache. Methods We conducted a case–control study in the Dutch Leiden University Cluster headache neuro-Analysis program (LUCA) study ... -
Genome-wide analysis of 102,084 migraine cases identifies 123 risk loci and subtype-specific risk alleles
Hautakangas, Heidi; Winsvold, Bendik K S; Ruotsalainen, Sanni; Bjornsdottir, Gyda; Harder, Aster V. E.; Kogelman, Lisette J. A.; Thomas, Laurent; Noordam, Raymond; Benner, Christian; Gormley, Padhraig; Artto, Ville; Banasik, Karina; Bjornsdottir, Anna; Boomsma, Dorret I.; Brumpton, Ben Michael; Burgdorf, Kristoffer Sølvsten; Buring, Julie E.; Chalmer, Mona Ameri; de Boer, Irene; Dichgans, Martin; Erikstrup, Christian; Färkkilä, Markus; Gabrielsen, Maiken Elvestad; Ghanbari, Mohsen; Hagen, Knut; Häppölä, Paavo; Hottenga, Jouke-Jan; Hrafnsdottir, Maria G.; Hveem, Kristian; Johnsen, Marianne Bakke; Kähönen, Mika; Kristoffersen, Espen Saxhaug; Kurth, Tobias; Lehtimäki, Terho; Lighart, Lannie; Magnusson, Sigurdur H.; Malik, Rainer; Pedersen, Ole Birger; Pelzer, Nadine; Penninx, Brenda W. J. H.; Ran, Caroline; Ridker, Paul M.; Rosendaal, Frits Richard; Sigurdardottir, Gudrun R.; Skogholt, Anne Heidi; Sveinsson, Olafur A.; Thorgeirsson, Thorgeir E.; Ullum, Henrik; Zwart, John Anker Henrik (Peer reviewed; Journal article, 2022)Migraine affects over a billion individuals worldwide but its genetic underpinning remains largely unknown. Here, we performed a genome-wide association study of 102,084 migraine cases and 771,257 controls and identified ... -
Is there a causal relationship between stress and migraine? Current evidence and implications for management
Stubberud, Anker; Buse, Dawn C.; Kristoffersen, Espen Saxhaug; Linde, Mattias; Tronvik, Erling Andreas (Peer reviewed; Journal article, 2021)Background The purpose of this narrative review is to examine the literature investigating a causal relationship between stress and migraine and evaluate its implications for managing migraine. Methods PubMed, PsycINFO and ... -
The management and clinical knowledge of headache disorders among general practitioners in Norway: a questionnaire survey
Kristoffersen, Espen Saxhaug; Faiz, Kashif Waqar; Hansen, Jakob Møller; Tronvik, Erling Andreas; Frich, Jan C; Lundqvist, Christofer; Winsvold, Bendik K S (Peer reviewed; Journal article, 2021)Background General practitioners (GPs) diagnose and manage a majority of headache patients seeking health care. With the aim to understand the potential for clinical improvement and educational needs, we performed a study ... -
Management of cluster headache and other trigeminal autonomic cephalalgias in pregnancy and breastfeeding
Bjørk, Marte-Helene; Kristoffersen, Espen Saxhaug; Tronvik, Erling Andreas; Nordeng, Hedvig Marie Egeland (Peer reviewed; Journal article, 2021)Many clinicians lack experience in managing trigeminal autonomic cephalalgias (TACs) in pregnancy and lactation. In addition to cluster headache, TACs include hemicrania continua, paroxysmal hemicrania, and short-lasting ... -
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 ... -
The Norwegian PraksisNett: a nationwide practice-based research network with a novel IT infrastructure
Kristoffersen, Espen Saxhaug; Bjorvatn, Bjørn; Halvorsen, Peder Andreas; Nilsen, Stein; Fossum, Guro Haugen; Fors, Egil Andreas; Jørgensen, Pål; Øxnevad-Gundersen, Berit; Gjelstad, Svein; Bellika, Johan Gustav; Straand, Jørund; Rørtveit, Guri (Peer reviewed; Journal article, 2022)Clinical research in primary care is relatively scarce. Practice-based research networks (PBRNs) are research infrastructures to overcome hurdles associated with conducting studies in primary care. In Norway, almost all ... -
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 ... -
Reasons and predictors of non-thrombolysis in patients with acute ischemic stroke admitted within 4.5 h
Bergh, Elin; Jahr, Silje Holt; Rønning, Ole Morten; Askim, Torunn; Thommessen, Bente; Kristoffersen, Espen Saxhaug (Peer reviewed; Journal article, 2022)Objectives Thrombolytic treatment in acute ischemic stroke (AIS) reduces stroke-related disability. Nearly 40% of all patients with AIS (<4.5 h) receive thrombolysis, but there is a large variation in the use between ... -
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, ...