Abstract

Recent meta-analyses have shown that posttraumatic stress disorder (PTSD) in adolescents and young adults can be effectively treated; however, there is alack of studies that investigated the efficacy of psychotherapy in the clinically important group of adolescents with PTSD related to childhood sexual and/or physical abuse and co-occurring symptoms of borderline personality disorder (BPD). The aim of this study was a first evaluation of the efficacy of aspecifically developed trauma-focused treatment (DBT-PTSD-EA) for adolescent patients with PTSD and BPD symptoms after interpersonal violence in childhood and adolescence. Validated questionnaires including the Davidson trauma scale (DTS), the borderline symptom list (BSL-23) and the Beck depression inventory (BDI-II) were used to assess treatment-related changes in psychopathology in 39treatment-seeking adolescents with adiagnosis of PTSD and symptoms of BPD after childhood sexual and/or physical abuse. The diagnoses were established from standardized clinical interviews. The analyses were primarily based on pre-to-post comparisons of all patients who were included (intent to treat analyses, ITT). Significant improvements were observed in all questionnaires including PTSD severity, intrusive re-experiencing, hyperarousal, PTSD-related avoidance, severity of BPD and depressive symptoms. The pre-post effect sizes were large for the DTS total score (Cohen's d = 1.24) and medium to large for both the BSL-23 (d = 0.69) and the BDI-II (d = 0.72). While these results are very promising, the validity is limited by the lack of acontrol group.

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