Psychiatry Investig.  2018 Nov;15(11):1071-1078. 10.30773/pi.2018.09.28.

Effects of an Online Imagery-Based Treatment Program in Patients with Workplace-Related Posttraumatic Stress Disorder: A Pilot Study

  • 1Department of Psychiatry, Kangdong Sacred Heart Hospital, Seoul, Republic of Korea.
  • 2Department of Psychiatry, Seoul National University Hospital, Seoul, Republic of Korea.
  • 3Department of Psychiatry and Institute of Human Behavioral Sciences, Seoul National University College of Medicine, Seoul, Republic of Korea.
  • 4Department of Brain Education, Global Cyber University, Cheonan, Republic of Korea.
  • 5Department of Occupational Health Research, Occupational Safety and Health Research Institute, Ulsan, Republic of Korea.
  • 6Department of Medicine, Seoul National University, Seoul, Republic of Korea.
  • 7Department of Preventive Medicine, Seoul National University Hospital, Seoul, Republic of Korea.


We developed easily accessible imagery-based treatment program for patients with post-traumatic stress disorder (PTSD) related to workplace accidents and investigated the effects of the program on various PTSD related symptoms.
The program was based on an online platform and consisted of eight 15-min sessions that included script-guided imagery and supportive music. Thirty-five patients with workplace-related PTSD participated in this program 4 days per week for 4 weeks. Its effects were examined using self-report questionnaires before and after the take-home online treatment sessions.
After completing the 4-week treatment program, patients showed significant improvements in depressed mood (t=3.642, p=0.001) based on the Patient Health Questionnaire-9 (PHQ-9), anxiety (t=3.198, p=0.003) based on the Generalized Anxiety Disorder seven-item (GAD-7) scale, and PTSD symptoms (t=5.363, p < 0.001) based on the Posttraumatic Stress Disorder Check List (PCL). In particular, patients with adverse childhood experiences exhibited a greater degree of relief related to anxiety and PTSD symptoms than those without adverse childhood experiences.
The present results demonstrated that the relatively short online imagery-based treatment program developed for this study had beneficial effects for patients with workplace-related PTSD.


Posttraumatic stress disorder; Imagery-based treatment; Workplace injury
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