The authors examined the efficacy of Prolonged Exposure (PE) therapy in Japanese patients with posttraumatic stress disorder (PTSD). Twenty-four patients (21 women, 3 men) with PTSD due to mixed trauma were randomly assigned to the PE group (PE with or without treatment as usual [TAU]) or the control group (TAU) only. The control group received PE after a 10-week period. Intention-to-treat analysis showed the PE group achieved significantly greater reduction than the control group at posttreatment in either PTSD or depressive symptoms. The control group had significantly decreased symptom severity after PE treatment. Symptom levels of 19 PE completers in the both groups remained low in 12-month follow-up assessments. The study's findings will promote the future dissemination and implementation of evidence-based treatment for PTSD in non-Western settings.
This pilot study aimed to refine a treatment approach for traumatic grief due to violent loss. Our Traumatic Grief Treatment Program, a modification of Shear's complicated grief treatment (Shear et al., 2005), comprises psychoeducation, in vivo exposure, imaginal exposure, discussion of memories about and imaginal conversation with the deceased. Thirteen of 15 Japanese women suffering from posttraumatic stress disorder (PTSD) due to traumatic grief completed 12 to 16 weekly individual sessions based on their therapists' recommendations. Assessment scales included the Inventory of Complicated Grief, the Impact of Event Scale-Revised, and the Center for Epidemiologic Studies Depression Scale. There was significant reduction in symptom severity at treatment end, and symptom levels remained low throughout the 12-month follow-up period. Based on Jacobson's Reliable Change Index, 46% showed change on all 3 measures. These findings suggest that our treatment model may be feasible for treating traumatic grief with PTSD in non-Western settings.
This pilot study investigated the feasibility of Prolonged Exposure (PE) treatment for Japanese patients with posttraumatic stress disorder (PTSD) due to mixed traumatic events. Among 12 participants in this study, 9 women and 1 man completed between 9 and 15 weekly individual PE sessions; 2 female participants dropped out in early sessions. Among completers, the authors identified a significant reduction of symptom severity scores from pretreatment to posttreatment in terms of PTSD and depression on therapist-rated and self-rated measurements. Symptom levels remained low in 3- and 6-month follow-up assessments. Our findings suggest that PE is feasible and can be accepted for PTSD patients not only in Western countries, but also for those in Japan.
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