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ABSTRACT
Objectives: Research on dissociative symptomatology in the context of Posttraumatic Stress Disorder (PTSD) has been gaining traction, with dissociation being studied as a set of complex symptoms following trauma exposure and as a specific subtype of PTSD. The aims of this review are to summarize the literature as it stands, examine the efficacy of existing interventions in treating dissociative symptomatology within the context of PTSD, and offer potential suggestions for future research.
Methods: A systematic approach was taken to locate empirical studies on PTSD that included dissociation as an outcome in the PubMed, Scopus, and PsycINFO databases. Recent experimental designs with adult subjects (18+ years) in the English language were included, yielding 103 potentially eligible studies. Thirty-three full-text articles were screened with 17 articles meeting criteria for inclusion in the systematic review.
Results: Designs, populations, treatments, and inventories were extremely diverse. Most therapies did not target dissociation specifically, although the results of this review suggest that PTSD patients who experience dissociative symptoms could benefit from trauma-focused treatments, which often significantly reduced dissociative and trauma-related symptoms.
Conclusion: Future work should consider the evaluation of dissociation as a unique outcome to gain understanding about the nature of traumatic stress and to develop treatment options for its many presentations. The current literature displays limited generalizability to the treatment of individuals with high dissociation, which is a line of inquiry that should be explored. More RCTs are needed.