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Post-traumatic stress disorder symptoms in victims of Tokyo subway attack: a 5-year follow-up study |
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| Authors: | Ohtani Toshiyuki Iwanami Akira Kasai Kiyoto Yamasue Hidenori Kato Tadafumi Sasaki Tsukasa Kato Nobumasa |
| Affiliation: | Department of Psychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan. |
| Abstract: | Sarin gas was dispersed in a Tokyo subway in 1995. This study investigates the mental and somatic symptoms of the 34 victims 5 years after the attack. Structured interviews (Clinician-Administered Post-Traumatic Stress Disorder [CAPS] and Mini International Neuropsychiatric Interview) and self-rating questionnaires were used to assess the symptoms. Not only post-traumatic stress disorder (PTSD) but also non-specific mental symptoms persisted in the victims at a high rate. A total of 11 victims were diagnosed with current or lifetime PTSD according to CAPS. Victims with PTSD showed higher anxiety levels and more visual memory impairment. A significant correlation between the total score of Impact of Event Scale-Revised (IES-R) and CAPS was found, indicating that IES-R is a useful tool for evaluating PTSD. |
| Keywords: | Clinician-Administered Post-Traumatic Stress Disorder Scale Impact of Event Scale-Revised post-traumatic stress disorder sarin Tokyo subway attack Wechsler Memory Scale-Revised |
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