• Total and cause-specific standardized mortality ratios in patients with schizophrenia and/or substance use disorder 

      Heiberg, Ina Heidi; Jacobsen, Bjarne K.; Nesvåg, Ragnar; Bramness, Jørgen Gustav; Reichborn-Kjennerud, Ted; Næss, Øyvind; Ystrøm, Eivind; Hultman, Christina M; Høye, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-08-23)
      Individuals with schizophrenia or substance use disorder have a substantially increased mortality compared to the general population. Despite a high and probably increasing prevalence of comorbid substance use disorder in people with schizophrenia, the mortality in the comorbid group has been less studied and with contrasting results. We performed a nationwide open cohort study from 2009 to 2015, ...
    • Total and cause‑specific mortality in patients with personality disorders: the association between comorbid severe mental illness and substance use disorders 

      Høye, Anne; Jacobsen, Bjarne K.; Bramness, Jørgen Gustav; Nesvåg, Ragnar; Reichborn-Kjennerud, Ted; Heiberg, Ina Heidi (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-03-07)
      <p>Purpose: To investigate the mortality in both in- and outpatients with personality disorders (PD), and to explore the association between mortality and comorbid substance use disorder (SUD) or severe mental illness (SMI). <p>Methods: All residents admitted to Norwegian in- and outpatient specialist health care services during 2009–2015 with a PD diagnosis were included. Standardized mortality ...
    • Transition From Substance-Induced Psychosis to Schizophrenia Spectrum Disorder or Bipolar Disorder 

      Rognli, Eline B.; Heiberg, Ina Heidi; Jacobsen, Bjarne Koster; Høye, Anne; Bramness, Jørgen Gustav (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-05-03)
      Objective: The authors investigated transitions to schizophrenia spectrum or bipolar disorder following different types of substance-induced psychosis and the impact of gender, age, number of emergency admissions related to substance-induced psychosis, and type of substance-induced psychosis on such transitions. <p> <p>Methods: All patients in the Norwegian Patient Registry with a diagnosis of ...
    • Undiagnosed cardiovascular disease prior to cardiovascular death in individuals with severe mental illness 

      Heiberg, Ina Heidi; Jacobsen, Bjarne K.; Balteskard, Lise; Bramness, Jørgen Gustav; Næss, Øyvind; Ystrøm, Eivind; Reichborn-Kjennerud, Ted; Hultman, Christina M.; Nesvåg, Ragnar; Høye, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-07)
      <p><i>Objective - </i>To examine whether individuals with schizophrenia (SCZ) or bipolar disorder (BD) had equal likelihood of not being diagnosed with cardiovascular disease (CVD) prior to cardiovascular death, compared to individuals without SCZ or BD. <p><i>Methods - </i>Multivariate logistic regression analysis including nationwide data of 72 451 cardiovascular deaths in the years 2011–2016. ...