The relationship between ICD-11 PTSD, complex PTSD and dissociative experiences

Hyland, Philip; Shevlin, Mark; Fyvie, Claire; Cloitre, Maryl�ne; Karatzias, Thanos

Abstract

Debate exists in the trauma literature regarding the role of dissociation in traumatic stress disorders. With the release of the new ICD-11 diagnostic guideline for posttraumatic stress disorder (PTSD) and complex PTSD (CPTSD), this issue warrants further attention. In the current study, we provide a preliminary assessment of the associations between ICD-11 CPTSD and dissociative experiences. This study is based on a sample (N = 106) of highly traumatised clinical patients from the United Kingdom who completed measures of traumatic stress and dissociative experiences. The majority of participants met the diagnostic criteria for CPTSD (69.1%, n = 67), with few patients qualifying for a diagnosis of PTSD (9.3%, n = 9). Those with CPTSD had significantly higher levels of dissociative experiences compared to those with PTSD (Cohen’s d = 1.04) and those with no diagnosis (Cohen’s d = 1.44). Three CPTSD symptom clusters were multivariately associated with dissociation: Affective Dysregulation (β = .33), Re-experiencing in the here and now (β = .24), and Disturbed Relationships (β = .22). These findings indicate that dissociative experiences are particularly relevant for clinical patients with CPTSD. Future longitudinal work will be needed to determine if dissociation is a risk factor for, or outcome of, CPTSD.

Citation

Hyland, P., Shevlin, M., Fyvie, C., Cloitre, M., & Karatzias, T. (2020). The relationship between ICD-11 PTSD, complex PTSD and dissociative experiences. Journal of Trauma and Dissociation, 21(1), 62-72. https://doi.org/10.1080/15299732.2019.1675113

• Journal Article Type: Article
• Acceptance Date: Jun 9, 2019
• Online Publication Date: Oct 4, 2019
• Publication Date: 2020-01
• Deposit Date: Jun 12, 2019
• Publicly Available Date: Oct 5, 2020
• Journal: Journal of Trauma & Dissociation
• Print ISSN: 1529-9732
• Electronic ISSN: 1529-9740
• Publisher: Routledge
• Peer Reviewed: Peer Reviewed
• Volume: 21
• Issue: 1
• Pages: 62-72
• DOI: https://doi.org/10.1080/15299732.2019.1675113
• Keywords: Posttraumatic stress disorder (PTSD); Complex PTSD (CPTSD); ICD-11; dissociation.
• Public URL: http://researchrepository.napier.ac.uk/Output/1870539
• Contract Date: Jun 12, 2019