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  • Title: High prevalence of obsessive-compulsive disorder among posttraumatic stress disorder patients.
    Author: Nacasch N, Fostick L, Zohar J.
    Journal: Eur Neuropsychopharmacol; 2011 Dec; 21(12):876-9. PubMed ID: 21470831.
    Abstract:
    Posttraumatic obsessions have been reported in a few studies and case series. However, the magnitude of this phenomenon is still unknown. In the current study we systematically evaluated the prevalence of OCD in a sample of combat and terror related PTSD patients. Out of 44 referrals, 43% of the participants had PTSD with no OCD and 41% were diagnosed also with OCD. Six percent had sub-threshold OC symptoms. No difference was found between PTSD and PTSD-OCD participants' characteristics (including demographics, trauma-related factors, and other psychiatric co-morbidity). The surprisingly high number of OCD found in the current study suggests that PTSD-OCD might be underdiagnosed, signifies the importance of direct assessment of OCD in patients with PTSD, and raise questions regarding the underlying mechanism of post-traumatic OCD.
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