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  • Title: Pre-traumatic vs post-traumatic OCD in PTSD patients: Are differences in comorbidity rates and functional health status related to childhood abuse?
    Author: Araújo AXG, Fontenelle LF, Berger W, Luz MPD, Pagotto LFADC, Marques-Portella C, Figueira I, Mendlowicz MV.
    Journal: Compr Psychiatry; 2018 Nov; 87():25-31. PubMed ID: 30195097.
    Abstract:
    OBJECTIVE: The goal of this study was to compare the clinical and functional status and the trauma-related characteristics of PTSD patients with comorbid OCD whose onset predated the index traumatic event (pre-traumatic OCD) with those of PTSD patient whose comorbid OCD only emerged after the exposure to the traumatic event (post-traumatic OCD). METHODS: Sixty-three individuals with PTSD and comorbid OCD were evaluated with the Structured Clinical Interview for DSM-IV AXIS I Disorders and completed the Posttraumatic Stress Disorder Checklist - Civilian Version, the Beck Depression Inventory, the Beck Anxiety Inventory, the Trauma History Questionnaire and the 36-Item Short-Form Health Survey. RESULTS: A history of childhood abuse was significantly more frequent among PTSD patients with pre-traumatic OCD (45.2%) than among their counterparts with post-traumatic OCD (16%). PTSD patients with pre-traumatic OCD had higher rates of psychiatric comorbidity in general and showed a lower functional health status in a physical domain (SF-36 Role Limitation due to Physical Health). In contrast, PTSD patients with post-traumatic OCD had a decreased functional health status in a psychological domain (SF-36 Emotional Well Being). The effect sizes were in the medium to large range. CONCLUSIONS: A history of child abuse may be an important, but often neglected, factor accounting for clinical, functional, and trauma-related differences between pre-traumatic and posttraumatic OCD in PTSD patients.
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