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Predictors of Long-Term Treatment Outcome in Combat and Peacekeeping Veterans With Military-Related PTSD

Richardson, J. Don, Contractor, Ateka A., Armour, Cherie, Cyr, Kate St., Elhai, Jon D. and Sareen, Jitender (2014) Predictors of Long-Term Treatment Outcome in Combat and Peacekeeping Veterans With Military-Related PTSD. The Journal of Clinical Psychiatry, 75 (11). e1299-e1305. [Journal article]

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URL: http://dx.doi.org/10.4088/JCP.13m08796

DOI: doi:10.4088/JCP.13m08796

Abstract

OBJECTIVE:Posttraumatic stress disorder (PTSD) is a significant psychiatric condition that may result from exposure to combat; it has been associated with severe psychosocial dysfunction. This study examined the predictors of long-term treatment outcomes in a group of veterans with military-related PTSD.METHOD:The study consisted of a retrospective chart review of 151 consecutive veterans treated at an outpatient clinic for veterans with psychiatric disorders resulting from their military operations between January 2002 and May 2012. The diagnosis of PTSD was made using the Clinician-Administered PTSD Scale. As part of treatment as usual, all patients completed the PTSD Checklist-Military version and Beck Depression Inventory (BDI-II) at intake and at each follow-up appointment, the Short-Form Health Survey (SF-36) at intake, and either the SF-36 or the 12-item Short-Form Health Survey at follow-up. All patients received psychoeducation about PTSD and combined pharmacotherapy and psychotherapy.RESULTS:Analyses demonstrated a significant and progressive improvement in PTSD severity over the 2-year period ([n = 117] Yuan-Bentler χ²40 = 221.25, P < .001). We found that comorbid depressive symptom severity acted as a significant predictor of PTSD symptom decline (β = -.44, SE = .15, P = .004). However, neither alcohol misuse severity nor the number of years with PTSD symptoms (chronicity) was a significant predictor of treatment response.CONCLUSIONS:This study highlights the importance of treating comorbid symptoms of depression aggressively in veterans with military-related PTSD. It also demonstrates that significant symptom reduction, including loss of probable PTSD diagnosis, is possible in an outpatient setting for veterans with chronic military-related PTSD.

Item Type:Journal article
Keywords:Depression, PTSD, Veterans, Longitudional
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Psychology
Research Institutes and Groups:Psychology Research Institute > Population Health Sciences and Mental Health Services
Psychology Research Institute
ID Code:33109
Deposited By: Prof Cherie Armour
Deposited On:08 Mar 2016 16:29
Last Modified:08 Mar 2016 16:29

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