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Schizophrenia, neuroleptic medication and mortality.
Matti Joukamaa1, Markku Heliövaara, Paul Knekt
1Department of Social Psychiatry, Tampere School of Public Health, University of Tampere, FIN-33014, Finland. matti.joukamaa@uta.fi
The British Journal of Psychiatry : the Journal of Mental Science
|February 2, 2006
Summary
People with schizophrenia face significantly higher mortality risks. This study investigated if the disorder or antipsychotic medications contribute to this excess death, highlighting an urgent need for further research.
Area of Science:
- Psychiatry
- Epidemiology
- Public Health
Background:
- Individuals with schizophrenia experience a higher rate of death from natural causes.
- This elevated mortality risk necessitates investigation into contributing factors.
Purpose of the Study:
- To examine the association between schizophrenia, neuroleptic treatment, and mortality.
- To assess mortality prediction in a large, representative Finnish population sample.
Main Methods:
- A cohort of 7217 Finnish adults aged 30 years and older was studied over 17 years.
- Schizophrenia diagnosis was confirmed using the Present State Examination and medical records.
- Baseline health examinations included comprehensive health assessments and data collection on lifestyle factors.
Main Results:
- The relative mortality risk for individuals with schizophrenia was 2.84, adjusting for age and gender.
- After accounting for somatic diseases and lifestyle factors, the risk remained elevated at 2.25.
- Increased use of neuroleptics showed a dose-dependent relationship with mortality, with a relative risk of 2.50 per additional medication.
Conclusions:
- The study indicates a significant increase in mortality among individuals with schizophrenia.
- Further research is crucial to determine whether schizophrenia itself or its treatment with antipsychotic medications is responsible for the elevated mortality.
- Investigating the specific roles of the disorder and its pharmacological management is essential for improving patient outcomes.