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The Co-Occurrence Of Ptsd And Dissociation: Differentiating Severe Ptsd From Dissociative Ptsd, Cherie Amour, Karen-Inge Karstoft, Don Richardson

MacDonald Franklin OSI Research Centre

Purpose

A dissociative-posttraumatic stress disorder (PTSD) subtype has been included in the DSM-5. However, it is not yet clear whether certain socio-demographic characteristics or psychological/clinical constructs such as comorbid psychopathology differentiate between severe PTSD and dissociative-PTSD. The current study investigated the existence of a dissociative-PTSD subtype and explored whether a number of trauma and clinical covariates could differentiate between severe PTSD alone and dissociative-PTSD.

Methods

The current study utilized a sample of 432 treatment seeking Canadian military veterans. Participants were assessed with the Clinician Administered PTSD Scale (CAPS) and self-report measures of traumatic life events, depression, and anxiety. CAPS severity …

Dsm‐5 And Icd‐11 Definitions Of Posttraumatic Stress Disorder: Investigating “Narrow” And “Broad” Approaches, Dan J. Stein, Katie A. Mclaughlin, Karestan C. Koenen, Lukoye Atwoli, Matthew J. Friedman, Eric D. Hill, Andreas Maercker, Maria Petukhova, Victoria Shahly, Mark Van Ommeren

Internal Medicine, East Africa

Background: The development of the Diagnostic and Statistical Manual of Mental Disorders 5th edition (DSM-5) and ICD-11 has led to reconsideration of diagnostic criteria for posttraumatic stress disorder (PTSD). The World Mental Health (WMH) Surveys allow investigation of the implications of the changing criteria compared to DSM-IV and ICD-10.

Methods: WMH Surveys in 13 countries asked respondents to enumerate all their lifetime traumatic events (TEs) and randomly selected one TE per respondent for PTSD assessment. DSM-IV and ICD-10 PTSD were assessed for the 23,936 respondents who reported lifetime TEs in these surveys with the fully structured Composite International Diagnostic Interview …