Inpatient outcomes following admission to stabilization-focused complex trauma- and dissociation-specific unit

Individuals with histories of complex psychological trauma, such as those with dissociative disorders, are often high utilizers of inpatient services and thus warrant further research attention. The present study sought to examine whether treatment on a specialized inpatient trauma unit was associated with improvements in adaptive functioning, emotion regulation, and dissociation among patients experiencing complex posttraumatic and dissociative symptoms.

This study used archival data collected as part of treatment provided to inpatients (N = 54), the majority of whom had a dissociative disorder, at a specialized trauma disorders unit to analyze differences in scores between intake and discharge on measures of adaptive functioning, emotion regulation, and dissociation.

Adaptive functioning and emotion regulation were significantly improved at discharge compared to intake, t(299) = -11.28, p < .001; t(305) = 8.54, p < .001, respectively, with very large effect sizes (d = 1.60; d = 1.20), and there was a significant decrease, t(311) = 2.15, p = .032, d = .30, in dissociative absorption.

Our findings suggest that inpatient treatment modeled after expert consensus treatment guidelines is associated with significant improvements in adaptive functioning and emotion regulation and reduced dissociative absorption in individuals experiencing severe and acute complex posttraumatic and dissociative symptoms. Appropriate screening and symptom-specific treatment of complex posttraumatic and dissociative symptoms are recommended to improve outcomes for this population during inpatient hospital admission. (PsycInfo Database Record (c) 2025 APA, all rights reserved).