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Related Experiment Videos

Community patterns of posttraumatic stress disorders.

J H Shore1, W M Vollmer, E L Tatum

  • 1Department of Psychiatry, University of Colorado School of Medicine, Denver 80262.

The Journal of Nervous and Mental Disease
|November 1, 1989
PubMed
Summary

This study examined lifetime rates of posttraumatic stress disorder (PTSD) following the Mt. St. Helens eruption. Findings suggest current PTSD diagnostic criteria may underestimate actual community rates.

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Area of Science:

  • Environmental Psychology
  • Psychiatry
  • Epidemiology

Background:

  • Assessing lifetime prevalence of posttraumatic stress disorder (PTSD) is crucial for understanding mental health impacts in affected communities.
  • The eruption of Mt. St. Helens provides a unique case study for examining PTSD rates after a major natural disaster.

Purpose of the Study:

  • To report lifetime rates of PTSD in two rural northwest communities, one impacted by the Mt. St. Helens eruption.
  • To identify community-wide patterns of PTSD related to natural disasters, combat, and sexual assault.
  • To compare symptom patterns and concurrent psychiatric disorders across different PTSD stressors.

Main Methods:

  • Epidemiological study conducted in two rural northwest communities.
  • Data collection focused on lifetime prevalence rates for various types of PTSD.

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  • Analysis included comparisons of symptom patterns and co-occurring psychiatric disorders.

    • Main Results:

    • Lifetime PTSD rates were identified for disaster-related, combat, sexual assault, and other types of PTSD in men and women.
    • Distinct symptom patterns emerged for different PTSD stressors.
    • Concurrent psychiatric disorders were analyzed in relation to PTSD.

    Conclusions:

    • The study highlights a potential limitation in current PTSD diagnostic criteria.
    • Existing criteria may significantly underestimate the true prevalence of PTSD in communities affected by disasters.
    • Further research is needed to refine diagnostic approaches for disaster-related stress syndromes.