Identifying transdiagnostic and multidimensional prognostic indicators among veterans with PTSD symptoms in brief integrated care settings.

Adams SW, Possemato K, Kuhn E. Identifying transdiagnostic and multidimensional prognostic indicators among veterans with PTSD symptoms in brief integrated care settings. Psychological trauma : theory, research, practice and policy. 2024 Oct 31.

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Abstract:

OBJECTIVE: Brief integrated care settings hold promise for accessible and effective trauma-informed interventions. However, clinicians often have difficulty efficiently forecasting who is most appropriate for interventions in such settings and how to target individualized care. Multidimensional and transdiagnostic evaluations may provide valuable information to improve stepped-care and treatment practices for veterans. METHOD: A middle-out approach was used to concurrently evaluate self-reported posttraumatic stress disorder (PTSD) symptoms, depressive symptoms, and physical health problems using cross-sectional (latent profile analysis) and longitudinal (latent growth mixture modeling) analyses that identified unique symptom profiles, trajectories of traumatic stress reactions, and correlates of these health outcomes. Data from 234 veterans who participated in a randomized controlled trial of primary care PTSD intervention were analyzed at 0, 8, 16, and 24 weeks. RESULTS: Latent profile analysis identified two homogenous baseline profiles: global symptoms (33.8%); low dysphoria-lower negative cognitions, mood, and depressive symptoms (66.2%). Low dysphoria participants reported more social relationships ( = 1.32) and fewer environmental ( = 0.89) and financial ( = 0.23-0.35) stressors. Latent growth mixture modeling identified three trajectories: (a) reducing symptoms ("responders"; 21.3%) and chronic symptoms of (b) moderate (59.6%) and (c) high (19.1%) severity. Low dysphoria participants were 4.35 times more likely to be responders over time compared to participants with moderate severity symptoms. CONCLUSIONS: Findings indicated that veterans with moderate PTSD symptoms and physical health problems but low dysphoria may respond best to trauma-informed intervention in brief integrated care settings, while others may require further individualized stepped care. Findings demonstrate unique traumatic stress reactions that support individualized stepped care and may offer greater treatment utilization, retention, and efficacy. (PsycInfo Database Record (c) 2024 APA, all rights reserved).