en تشخیص و درمان بیماری‌های جانبازان يا معلولان Diagnosis and Treatment of Veterans or Handicapped Diseases پژوهشی اصيل Original Research <span style="font-size:11pt"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:10.0pt"><span cambria="" style="font-family:"><span style="color:#f79646">Aims:</span></span></span></b><span style="font-size:10.0pt"><span cambria="" style="font-family:"> The present study was conducted to investigate the effectiveness of DBT-PE combined treatment protocol, dialectical behavior therapy, and prolonged exposure therapy in reducing self-injury behaviors of veterans with PTSD.</span></span></span></span></span><br> <span style="font-size:11pt"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:10.0pt"><span cambria="" style="font-family:"><span style="color:#f79646">Materials & Methods:</span></span></span></b> <span style="font-size:10.0pt"><span cambria="" style="font-family:">This experimental study was conducted with a pre-test/post-test design with a control group and a follow-up. The statistical population of the research was made up of all veterans with PTSD who were referred to Isar Psychiatric Hospital in Ardabil, Iran, in 2022.</span></span> <span style="font-size:10.0pt"><span cambria="" style="font-family:">The research sample consisted of 80 veterans with PTSD, who were selected from the statistical population as a purposeful sampling, considering the acceptance of veterans to participate in the research in the first place and having the entry criteria. To collect data, the Inventory of Statements about Self-injury was used.</span></span> <span style="font-size:10.0pt"><span cambria="" style="font-family:">The first experimental group received DBT (10 sessions of 90 minutes), the second experimental group received PE (10 sessions of 90 minutes), and the third experimental group received DBT-PE (16 sessions of 90 to 120 minutes).</span></span><span style="font-size:10.0pt"><span style="background:whitesmoke"><span style="font-family:"Cambria",serif"></span></span></span></span></span></span><br> <span style="font-size:11pt"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:10.0pt"><span cambria="" style="font-family:"><span style="color:#f79646">Findings:</span></span></span></b> <span style="font-size:10.0pt"><span cambria="" style="font-family:">All three intervention methods were effective in reducing self-injury behaviors of veterans with PTSD (p<0.01); However, the effect of combined treatment was greater than the other two interventions (p<0.05).</span></span></span></span></span><br> <span style="font-size:11pt"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span style="font-size:10.0pt"><span cambria="" style="font-family:"><span style="color:#f79646">Conclusion:</span></span></span></b> <span lang="EN" style="font-size:10.0pt"><span cambria="" style="font-family:">The combined treatment method has a greater effect in reducing self-injury behaviors in veterans with PTSD compared to </span></span><span style="font-size:10.0pt"><span cambria="" style="font-family:">prolonged</span></span><span lang="EN" style="font-size:10.0pt"><span cambria="" style="font-family:"> exposure therapy and </span></span><span style="font-size:10.0pt"><span cambria="" style="font-family:">dialectical behavior therapy. Also, prolonged</span></span><span lang="EN" style="font-size:10.0pt"><span cambria="" style="font-family:"> exposure therapy has a greater effect than </span></span><span style="font-size:10.0pt"><span cambria="" style="font-family:">dialectical behavior therapy</span></span><span lang="EN" style="font-size:10.0pt"><span cambria="" style="font-family:">.</span></span></span></span></span> Veteran,Self-Injury Behavior,Dialectical Behavior Therapy,Exposure Therapy, 271 278 http://ijwph.ir/browse.php?a_code=A-10-1370-10&slc_lang=en&sid=1 S. Eyni 15300319475328460027581 15300319475328460027581 Yes Department of Psychology, Faculty of Humanities and Social Sciences, University of Kurdistan, Sanandaj, Iran