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Related Experiment Videos

Dangerous behaviour preceding first admissions for schizophrenia.

M S Humphreys1, E C Johnstone, J F MacMillan

  • 1Royal Edinburgh Hospital.

The British Journal of Psychiatry : the Journal of Mental Science
|October 1, 1992
PubMed
Summary

In first-episode schizophrenia, over 20% of patients exhibited life-threatening behavior before hospitalization. This dangerous behavior was often linked to longer illness duration and delusions, yet less than half were admitted directly due to it.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • First-episode schizophrenia presents unique challenges in patient management.
  • Assessing risk and dangerous behavior in early psychosis is critical for timely intervention.

Purpose of the Study:

  • To investigate the prevalence and characteristics of life-threatening behavior in patients during their first schizophrenic episode.
  • To identify factors associated with dangerous behavior and its impact on hospital admission.

Main Methods:

  • Retrospective study of 253 patients with first-episode schizophrenia.
  • Analysis of data collected at initial presentation, focusing on 52 patients exhibiting dangerous behavior.

Main Results:

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  • 52 out of 253 patients (20.5%) displayed life-threatening behavior prior to admission.
  • Dangerous behavior was more common in patients with longer illness duration (>1 year) and those experiencing delusions of being poisoned.
  • Fewer than half of these patients were admitted directly due to their dangerous actions.

    • Conclusions:

    • Life-threatening behavior is a significant concern in first-episode schizophrenia, often preceding formal diagnosis and treatment.
    • Delayed admission despite dangerous behavior highlights potential gaps in risk assessment and intervention pathways.
    • Longer illness duration and specific psychotic symptoms like persecutory delusions are associated with increased risk.