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  • Title: Posttraumatic stress disorder in disaster relief workers following direct and indirect trauma exposure to Ground Zero.
    Author: Zimering R, Gulliver SB, Knight J, Munroe J, Keane TM.
    Journal: J Trauma Stress; 2006 Aug; 19(4):553-7. PubMed ID: 16929511.
    Abstract:
    The present study compared rates of posttraumatic stress disorder (PTSD) in relief workers at the World Trade Center collapse from two sources: direct exposure to the disaster site and indirect exposure through survivor narratives. Standardized clinical interviews for PTSD were conducted with 109 relief workers 6-8 months after the September 11th terrorist attacks. Rates of acute PTSD from direct and indirect exposure to traumatic stressors were 6.4% and 4.6%, respectively. The findings suggest that indirect exposures can lead to PTSD even when Criterion A1 of the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition-Text Revision (DSM-IV-TR; American Psychiatric Association, 2000, p. 463), i.e., "experienced by a family member or other close associate" is not met. Further research is necessary to define precisely the parameters of indirect traumatic exposure that may be linked to the development of PTSD.
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