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A master's thesis from Aalborg University
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Cardiovascular Risk Factors in Schizophrenia: A sex and Illness Duration Stratified Analysis

Author

Term

5. Term (Master thesis)

Education

Publication year

2025

Submitted on

Pages

16

Abstract

Personer med skizofreni lever i gennemsnit 15–20 år kortere end befolkningen som helhed, primært på grund af hjerte-kar-sygdom. I denne prospektive kohorte på 235 patienter med skizofreni eller skizoaffektiv lidelse rekrutteret på Aalborg Universitetshospital (Region Nordjylland) vurderede vi ved baseline hjerte-kar-risikoprofiler, medicinforbrug og graden af psykiatriske symptomer, opdelt efter køn og tid siden diagnose. Deltagerne omfattede 103 kvinder og 132 mænd og blev inddelt i en tidlig fase (<2 år siden diagnose; n=70) og en kronisk fase (≥10 år; n=165). På tværs af hele kohorten havde mænd højere blodtryk og en mindre gunstig lipidprofil end kvinder: højere total- og LDL-kolesterol og triglycerider samt lavere HDL, det “gode” kolesterol. Blandt nyligt diagnosticerede var mænd i gennemsnit ældre end kvinder, og næsten alle mænd fik antipsykotisk medicin mod cirka fire ud af fem kvinder. Mænd i den tidlige fase havde allerede højere systolisk blodtryk og dårligere lipider (lavere HDL og højere triglycerider). I den kroniske gruppe var kvinder ældre end mænd, men mænd havde fortsat højere blodtryk og mindre gunstige lipidprofiler. Kvinder i denne gruppe fik oftere antidepressiv medicin, især SSRI (en udbredt type antidepressiva). Standardiserede psykiatriske skalaer (PANSS, CGI, GAF) viste ingen kønsforskelle i symptomsværhedsgrad, hvilket tyder på, at forskellene i hjerte-kar-risiko ikke skyldes mere alvorlig psykose hos mænd. Resultaterne peger på, at mænd med skizofreni har en forhøjet hjerte-kar-risikoprofil allerede tidligt i forløbet, og at der er behov for tidlig, kønsspecifik screening og forebyggelse i psykiatrien. Planlagte opfølgninger hvert tredje år vil afklare, hvordan dette påvirker langtidsudfald og dødelighed.

People with schizophrenia have a 15–20 year shorter life expectancy than the general population, mainly due to heart and vascular disease. In this prospective cohort of 235 patients with schizophrenia or schizoaffective disorder recruited at Aalborg University Hospital (North Denmark Region), we assessed baseline cardiovascular risk profiles, medication use, and psychiatric symptom severity by sex and time since diagnosis. The cohort included 103 women and 132 men, grouped into an early stage (<2 years since diagnosis; n=70) and a chronic stage (≥10 years; n=165). Across the whole cohort, men had higher blood pressure and a less favorable lipid profile than women: higher total and LDL cholesterol and triglycerides, and lower HDL (“good”) cholesterol. Among newly diagnosed participants, men were older on average than women, and almost all men were taking antipsychotics compared with about four in five women. Early-stage men already had higher systolic blood pressure and worse lipids (lower HDL and higher triglycerides). In the chronic group, women were older than men, yet men still showed higher blood pressure and less favorable lipid profiles. Women in this group were more often treated with antidepressants, especially SSRIs (a common type of antidepressant). Standard psychiatric scales (PANSS, CGI, GAF) showed no sex differences in symptom severity, suggesting that the cardiovascular gap is not explained by more severe psychosis in men. These findings indicate that men with schizophrenia have a higher cardiovascular risk profile from early in the illness, supporting early, sex-specific cardiovascular screening and prevention in psychiatric care. Planned follow-ups every three years will clarify the impact on long-term outcomes and mortality.

[This summary has been rewritten with the help of AI based on the project's original abstract]