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Is adequate dose adequate? An examination of the impact of psychotherapy on posttraumatic stress disorder symptoms utilizing Veterans Health Administration medical records.
Harper, Kelly L; Lee, Daniel J; Moshier, Samantha; Zweig, Ilana; Keane, Terence M; Marx, Brian P.
Afiliación
  • Harper KL; National Center for PTSD, Behavioral Science Division, VA Boston Healthcare System.
  • Lee DJ; National Center for PTSD, Behavioral Science Division, VA Boston Healthcare System.
  • Moshier S; Department of Psychology and Neuroscience, Emmanuel College.
  • Zweig I; National Center for PTSD, Behavioral Science Division, VA Boston Healthcare System.
  • Keane TM; National Center for PTSD, Behavioral Science Division, VA Boston Healthcare System.
  • Marx BP; National Center for PTSD, Behavioral Science Division, VA Boston Healthcare System.
Psychol Serv ; 2024 Jan 25.
Article en En | MEDLINE | ID: mdl-38271024
ABSTRACT
Prior studies on individuals with posttraumatic stress disorder (PTSD) defined an adequate dose of psychotherapy as receiving at least nine sessions within a 15-week period. Yet, few studies have examined whether this definition of adequate dose is associated with meaningful change in PTSD symptoms over an extended period. To examine whether an adequate dose of individual or group psychotherapy was associated with PTSD symptom improvement, we identified mental health outpatient visits in the electronic medical record for a cohort of veterans enrolled in Veterans Health Administration (VHA) services (N = 1,649) across 5 years. Using latent growth curve modeling, we estimated the effect of receiving an adequate dose of psychotherapy on the PTSD symptom course. Among the sample, 992 participants (60.16%) received at least one individual therapy session and 506 participants (30.7%) received at least one group therapy session; of those, 226 (22.78%) received an adequate dose of individual therapy and 212 (41.9%) received an adequate dose of group therapy, respectively. An adequate individual therapy dose, but not group therapy dose, was associated with a decrease in PTSD Checklist for DSM-5 (PCL-5) scores over time. This improvement was extremely gradual (average of 1.57 PCL-5 point decrease per year). Adequate dose of psychotherapy, defined as nine sessions of routine psychotherapy over 15 weeks, is associated with minimal symptom change. This suggests that commonly used definitions of adequate dose have minimal clinical utility. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies / Prognostic_studies Idioma: En Revista: Psychol Serv Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Diagnostic_studies / Prognostic_studies Idioma: En Revista: Psychol Serv Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos