• J Psychiatr Res · Aug 2018

    The influence of deployment stress and life stress on Post-Traumatic Stress Disorder (PTSD) diagnosis among military personnel.

    • Janeese A Brownlow, Gerard A Zitnik, Carmen P McLean, and Philip R Gehrman.
    • Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA. Electronic address: brownlow@pennmedicine.upenn.edu.
    • J Psychiatr Res. 2018 Aug 1; 103: 26-32.

    AbstractThere is increasing recognition that traumatic stress encountered throughout life, including those prior to military service, can put individuals at increased risk for developing Posttraumatic Stress Disorder (PTSD). The purpose of this study was to examine the association of both traumatic stress encountered during deployment, and traumatic stress over one's lifetime on probable PTSD diagnosis. Probable PTSD diagnosis was compared between military personnel deployed in Operation Iraqi Freedom/Operation Enduring Freedom (OIF/OEF; N = 21,499) and those who have recently enlisted (N = 55,814), using data obtained from the Army Study to Assess Risk and Resilience in Servicemembers (Army STARRS). Probable PTSD diagnosis was assessed using the PTSD Checklist. The effect of exposure to multiple types (i.e. diversity) of traumatic stress and the total quantity (i.e. cumulative) of traumatic stress on probable PTSD diagnosis was also compared. Military personnel who had been deployed experienced higher rates of PTSD symptoms than new soldiers. Diversity of lifetime traumatic stress predicted probable PTSD diagnosis in both groups, whereas cumulative lifetime traumatic stress only predicted probable PTSD for those who had been deployed. For deployed soldiers, having been exposed to various types of traumatic stress during deployment predicted probable PTSD diagnosis, but cumulative deployment-related traumatic stress did not. Similarly, the total quantity of traumatic stress (i.e. cumulative lifetime traumatic stress) did not predict probable PTSD diagnosis among new soldiers. Together, traumatic stress over one's lifetime is a predictor of probable PTSD for veterans, as much as traumatic stress encountered during war. Clinicians treating military personnel with PTSD should be aware of the impact of traumatic stress beyond what occurs during war.Copyright © 2018 Elsevier Ltd. All rights reserved.

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