Browsing NTNU Open by Author "Drange, Ole Kristian"

Now showing items 1-20 of 23

    • A prospective three-year follow-up study on the clinical significance of anti-neuronal antibodies in acute psychiatric disorders 

      Schou, Morten Brix; Sæther, Sverre Georg; Drange, Ole Kristian; Brenner, Eiliv; Crespi, Joan Vidal; Eikenes, Live; Mykland, Martin Syvertsen; Pintzka, Carl Wolfgang Schøyen; Håberg, Asta; Sand, Trond; Vaaler, Arne; Kondziella, Daniel (Peer reviewed; Journal article, 2019)
      The clinical significance of anti-neuronal antibodies for psychiatric disorders is controversial. We investigated if a positive anti-neuronal antibody status at admission to acute psychiatric inpatient care was associated ...

    • Association studies of up to 1.2 million individuals yield new insights into the genetic etiology of tobacco and alcohol use 

      Liu, Ming; Jiang, Yu; Wedow, Robbee; Li, Yue; Brazel, David M.; Chen, Fang; Datta, Gargi; Davila-Velderrain, Jose; Mitchell, Amy; Skogholt, Anne Heidi; Sivertsen, Børge; Stordal, Eystein; Morken, Gunnar; Kallestad, Håvard; Heuch, Ingrid; Zwart, John-Anker; Fjukstad, Katrine Kveli; Pedersen, Linda Margareth; Johnsen, Marianne Bakke; Skrove, Marit Synnøve; Indredavik, Marit Sæbø; Drange, Ole Kristian; Bjerkeset, Ottar; Børte, Sigrid; Stensland, Synne; Choquet, Hélène; Docherty, Anna R.; Faul, Jessica D.; Foerster, Johanna R.; Fritsche, Lars; Gabrielsen, Maiken Elvestad; Gordon, Scott D.; Haessler, Jeffrey; Hottenga, Jouke-Jan; Huang, Hongyan; Jang, Seon-Kyeong; Jansen, Philip R.; Ling, Yueh; Mägi, Reedik; Matoba, Nana; McMahon, George; Mulas, Antonella; Orrú, Valeria; Palviainen, Teemu; Pandit, Anita; Reginsson, Gunnar W.; Smith, Jennifer A.; Taylor, Amy E.; Turman, Constance; Willemsen, Gonneke; Young, Hannah; Young, Kendra A.; Zajac, Gregory J.M.; Zhao, Wei; Zhou, Wei; Björnsdóttir, Gyda Thora; Boardman, Jason D.; Boehnke, Michael; Boomsma, Dorret I.; Chen, Chu; Davies, Gareth E.; Eaton, Charles B.; Winsvold, Bendik K S; Hveem, Kristian; Vrieze, Scott (Journal article; Peer reviewed, 2019)
      Tobacco and alcohol use are leading causes of mortality that influence risk for many complex diseases and disorders1. They are heritable2,3 and etiologically related4,5 behaviors that have been resistant to gene discovery ...

    • Atherogenic Lipid Ratios Related to Myeloperoxidase and C-Reactive Protein Levels in Psychotic Disorders 

      Reponen, Elina Johanna; Dieset, Ingrid; Tesli, Martin Steen; Mørch, Ragni Helene; Aas, Monica; Vedal, Trude Seselie Jahr; Haug, Elisabeth; Drange, Ole Kristian; Steen, Nils Eiel; Hope, Sigrun; Szabo, Attila; Gohar, Sherif Mostafa Mohamed Ahmed; Wedervang-Resell, Kirsten; Djurovic, Srdjan; Melle, Ingrid; Aukrust, Pål; Andreassen, Ole Andreas; Ueland, Thor (Peer reviewed; Journal article, 2020)
      Background: Cardiovascular disease (CVD) is a major cause of premature death in patients with psychotic disorders, where dyslipidemia occurs frequently. In the pathogenesis of these serious mental disorders, a low-grade ...

    • Bipolar disorder bordering neurological conditions: A study of phenotypic and genotypic overlaps 

      Drange, Ole Kristian (Doctoral theses at NTNU;2021:141, Doctoral thesis, 2021)
      Humans have tried to discern – or diagnose – mental disorders for thousands of years. The validity of diagnoses can be assessed in many ways. Construct validity assumes that patients with the same diagnosis should have ...

    • Bruk av anabole androgene steroidar og akutt hjarteinfarkt 

      Stoknes, Magne; Drange, Ole Kristian (Master thesis, 2009)

    • Clinical characteristics of patients with bipolar disorder and premorbid traumatic brain injury: a cross-sectional study 

      Drange, Ole Kristian; Vaaler, Arne; Morken, Gunnar; Andreassen, Ole Andreas; Malt, Ulrik Fredrik; Finseth, Per Ivar (Journal article; Peer reviewed, 2018)
      Background About one in ten diagnosed with bipolar disorder (BD) has experienced a premorbid traumatic brain injury (TBI), while not fulfilling the criteria of bipolar and related disorder due to another medical condition ...

    • Differences in course of illness between patients with bipolar II disorder with and without epileptiform discharges or other sharp activity on electroencephalograms: a cross-sectional study 

      Drange, Ole Kristian; Sæther, Sverre Georg; Finseth, Per Ivar; Morken, Gunnar; Vaaler, Arne; Arntsen, Vibeke; Henning, Oliver Johannes; Andreassen, Ole Andreas; Elvsåshagen, Torbjørn; Malt, Ulrik Fredrik; Bøen, Erlend (Peer reviewed; Journal article, 2020)
      Background A diagnosis of bipolar II disorder requires that the symptoms cannot be better explained by a medical condition. Epilepsy is in some cases associated with an affective syndrome mimicking an unstable bipolar ...

    • DO PATIENTS WITH SEIZURE DISORDERS HAVE AN INCREASED RISK OF SUICIDAL BEHAVIOR AFTER DISCHARGE FROM ACUTE PSYCHIATRIC CARE? 

      Hamdan, Bilal; Benjaminsen, Anders (Master thesis, 2023)
      Bakgrunn Flere studier har blitt gjennomført i forsøk på å finne pasientpopulasjoner med økt risiko for selvmord og selvmordsatferd. Får man til å identifisere disse høyrisikopasientene, vil man kunne komme i posisjon til ...

    • DO PATIENTS WITH SEIZURE DISORDERS HAVE AN INCREASED RISK OF SUICIDAL BEHAVIOR AFTER DISCHARGE FROM ACUTE PSYCHIATRIC CARE? 

      Hamdan, Bilal; Benjaminsen, Anders (Master thesis, 2023)
      Bakgrunn Flere studier har blitt gjennomført i forsøk på å finne pasientpopulasjoner med økt risiko for selvmord og selvmordsatferd. Får man til å identifisere disse høyrisikopasientene, vil man kunne komme i posisjon til ...

    • Elevated Systemic Levels of Markers Reflecting Intestinal Barrier Dysfunction and Inflammasome Activation Are Correlated in Severe Mental Illness 

      Jensen, Søren Beck; Sheikh, Mashhood Ahmed; Akkouh, Ibrahim Ahmed; Szabo, Attila; O'Connell, Kevin Sean; Lekva, Tove; Engh, John; Agartz, Ingrid; Elvsåshagen, Torbjørn; Ormerod, Monica Bettina E. Greenwood; Weibell, Melissa Anne Elin Authen; Johnsen, Erik; Kroken, Rune Andreas; Melle, Ingrid; Drange, Ole Kristian; Nærland, Terje; Vaaler, Arne; Westlye, Lars Tjelta; Aukrust, Pål; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole; Ueland, Thor (Peer reviewed; Journal article, 2022)
      Abstract Background and Hypothesis Gut microbiota alterations have been reported in severe mental illness (SMI) but fewer studies have probed for signs of gut barrier disruption and inflammation. We hypothesized that ...

    • Epilepsy and other seizure disorders in acute psychiatric inpatients 

      Nakken, Erlend Iversen; Grinde, Frithjof; Vaaler, Arne; Drange, Ole Kristian; Brodtkorb, Eylert; Sæther, Sverre Georg (Peer reviewed; Journal article, 2021)
      Background: It is well known that patients with epilepsy have a high rate of psychiatric comorbidity. However, studies exploring epilepsy in psychiatric cohorts are scarce. The aim of this study was to examine the prevalence ...

    • Fylkesvise forskjeller i forskrivning av klozapin 

      Schou, Morten Brix; Drange, Ole Kristian; Sæther, Sverre Georg (Peer reviewed; Journal article, 2019)
      BAKGRUNN Nasjonale retningslinjer anbefaler å tilby klozapin til pasienter med schizofreni etter to mislykkede forsøk med andre antipsykotiske legemidler. En av hovedmålsettingene med innføringen av pakkeforløp i psykisk ...

    • Genetic Overlap Between Alzheimer’s Disease and Bipolar Disorder Implicates the MARK2 and VAC14 Genes 

      Drange, Ole Kristian; Smeland, Olav Bjerkehagen; Shadrin, Alexey A.; Finseth, Per Ivar; Witoelar, Aree; Frei, Oleksandr; Wang, Yunpeng; Hassani, Sahar; Djurovic, Srdjan; Dale, Anders M; Andreassen, Ole Andreas (Journal article; Peer reviewed, 2019)
      Background: Alzheimer’s disease (AD) and bipolar disorder (BIP) are complex traits influenced by numerous common genetic variants, most of which remain to be detected. Clinical and epidemiological evidence suggest that AD ...

    • Genetic Overlap Between Alzheimer’s Disease and Bipolar Disorder Implicates the MARK2 and VAC14 Genes 

      Drange, Ole Kristian; Smeland, Olav Bjerkehagen; Shadrin, Alexey A.; Finseth, Per Ivar; Witoelar, Aree; Frei, Oleksandr; Psychiatric Genomic Consortium, Bipolar Disorder Working Group; Wang, Yunpeng; Hassani, Sahar; Srdjan, Djurovic; Dale, Anders; Andreassen, Ole Andreas (Journal article; Peer reviewed, 2019)
      Background: Alzheimer’s disease (AD) and bipolar disorder (BIP) are complex traits influenced by numerous common genetic variants, most of which remain to be detected. Clinical and epidemiological evidence suggest that AD ...

    • A genome-wide association study with 1,126,563 individuals identifies new risk loci for Alzheimer's disease 

      Wightman, Douglas P.; Jansen, Iris E.; Savage, Jeanne E.; Shadrin, Alexey; Bahrami, Shahram; Holland, Dominic; Rongve, Arvid; Børte, Sigrid; Winsvold, Bendik K S; Drange, Ole Kristian; Martinsen, Amy E.; Skogholt, Anne Heidi; Willer, Cristen; Bråthen, Geir; Bosnes, Ingunn; Nielsen, Jonas Bille; Fritsche, Lars; Thomas, Laurent; Pedersen, Linda Margareth; Gabrielsen, Maiken Elvestad; Johnsen, Marianne Bakke; Meisingset, Tore Wergeland; Zhou, Wei; Proitsi, Petroula; Hodges, Angela; Dobson, Richard; Velayudhan, Latha; Sealock, Julia; Davis, Lea K.; Pedersen, Nancy L.; Reynolds, Chandra A.; Karlsson, Ida K.; Magnusson, Sigurdur; Stefansson, Hreinn; Thordardottir, Steinunn; Jónsson, Pálmi V.; Snædal, Jon; Zettergren, Anna; Skoog, Ingmar; Kern, Silke; Waern, Margda; Zetterberg, Henrik; Blennow, Kaj; Stordal, Eystein; Hveem, Kristian; Zwart, John Anker Henrik; Athanasiu, Lavinia; Selnes, Per; Saltvedt, Ingvild; Sando, Sigrid Botne; Ulstein, Ingun; Djurovic, Srdjan; Fladby, Tormod; Aarsland, Dag; Selbæk, Geir; Ripke, Stephan; Stefánsson, Kári; Andreassen, Ole; Posthuma, Danielle (Journal article; Peer reviewed, 2021)
      Late-onset Alzheimer’s disease is a prevalent age-related polygenic disease that accounts for 50–70% of dementia cases. Currently, only a fraction of the genetic variants underlying Alzheimer’s disease have been identified. ...

    • Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation 

      Szabo, Attila; O’Connell, Kevin; Ueland, Thor; Ahmed, Mashhood Sheikh; Agartz, Ingrid; Andreou, Dimitrios; Aukrust, Pål; Boye, Birgitte; Bøen, Erlend; Drange, Ole Kristian; Elvsåshagen, Torbjørn; Engh, John Abel; Hope, Sigrun; Høegh, Margrethe Collier; Joa, Inge; Johnsen, Erik; Kroken, Rune Andreas; Lagerberg, Trine Vik; Lekva, Tove; Malt, Ulrik Fredrik; Melle, Ingrid; Morken, Gunnar; Nærland, Terje; Steen, Vidar Martin; Sørensen, Kjetil; Wedervang-Resell, Kirsten; Auten Weibell, Melissa; Westlye, Lars Tjelta; Steen, Nils Eiel; Andreassen, Ole; Djurovic, Srdjan (Peer reviewed; Journal article, 2022)
      Background Schizophrenia (SCZ) and bipolar disorder (BD) are severe mental illnesses (SMI) that are part of a psychosis continuum, and dysregulated innate immune responses have been suggested to be involved in their ...

    • Increased circulating IL-18 levels in severe mental disorders indicate systemic inflammasome activation 

      Szabo, Attila; O'Connell, Kevin Sean; Ueland, Thor; Sheikh, Mashhood Ahmed; Agartz, Ingrid; Andreou, Dimitrios; Aukrust, Pål; Boye, Birgitte; Bøen, Erlend; Drange, Ole Kristian; Elvsåshagen, Torbjørn; Engh, John; Hope, Sigrun; Høegh, Margrethe Collier; Joa, Inge; Johnsen, Erik; Kroken, Rune Andreas; Lagerberg, Trine Vik; Lekva, Tove; Malt, Ulrik Fredrik; Melle, Ingrid; Morken, Gunnar; Nærland, Terje; Steen, Vidar Martin; Sørensen, Kjetil; Wedervang-Resell, Kirsten; Weibell, Melissa Anne Elin Authen; Westlye, Lars Tjelta; Steen, Nils Eiel; Andreassen, Ole; Djurovic, Srdjan (Peer reviewed; Journal article, 2021)
      Background -Schizophrenia (SCZ) and bipolar disorder (BD) are severe mental illnesses (SMI) that are part of a psychosis continuum, and dysregulated innate immune responses have been suggested to be involved in their ...

    • Mortality among patients discharged from an acute psychiatric department: A 5-year prospective study 

      Prestmo, Astrid; Høyen, Karina Sagmo; Vaaler, Arne; Torgersen, Terje; Drange, Ole Kristian (Peer reviewed; Journal article, 2020)
      The primary aim of the study was to explore the post discharge standardized mortality ratio of patients from an acute psychiatric department in Norway. The secondary aims were to explore if the standardized mortality ratio ...

    • Plasma Levels of the Cytokines B Cell-Activating Factor (BAFF) and A Proliferation-Inducing Ligand (APRIL) in Schizophrenia, Bipolar, and Major Depressive Disorder: A Cross Sectional, Multisite Study 

      Engh, John; Ueland, Thor; Agartz, Ingrid; Andreou, Dimitrios; Aukrust, Pål; Boye, Birgitte; Bøen, Erlend; Drange, Ole Kristian; Elvsåshagen, Torbjørn; Hope, Sigrun; Høegh, Margrethe Collier; Joa, Inge; Johnsen, Erik; Kroken, Rune Andreas; Lagerberg, Trine Vik; Lekva, Tove; Malt, Ulrik Fredrik; Melle, Ingrid; Morken, Gunnar; Nærland, Terje; Steen, Vidar Martin; Wedervang-Resell, Kirsten; Weibell, Melissa; Westlye, Lars Tjelta; Djurovic, Srdjan; Steen, Nils Eiel; Andreassen, Ole (Peer reviewed; Journal article, 2021)
      Background Immune dysfunction has been implicated in the pathogenesis of schizophrenia and other nonaffective psychosis (SCZ), bipolar spectrum disorder (BIP) and major depressive disorder (MDD). The cytokines B cell-activating ...

    • Post-discharge suicide among high-risk psychiatric inpatients: Risk factors and warnings signs 

      Prestmo, Astrid; Høyen, Karina Sagmo; Vaaler, Arne Einar; Torgersen, Terje; Kvithyld, Tuva Prestmo; Cohen, Lisa Janet; Drange, Ole Kristian (Peer reviewed; Journal article, 2023)
      Background The present study explored the predictive value of a novel suicide risk assessment with regard to suicide deaths within three years of discharge from an acute inpatient unit. The contributions of the different ...