論文

国際誌
2022年2月22日

Risk and resilience in trajectories of post-traumatic stress symptoms among first responders after the 2011 Great East Japan Earthquake: 7-year prospective cohort study.

The British journal of psychiatry : the journal of mental science
  • Taku Saito
  • Florentine H S van der Does
  • Masanori Nagamine
  • Nic J van der Wee
  • Jun Shigemura
  • Taisuke Yamamoto
  • Yoshitomo Takahashi
  • Minori Koga
  • Hiroyuki Toda
  • Aihide Yoshino
  • Eric Vermetten
  • Erik J Giltay
  • 全て表示

開始ページ
1
終了ページ
8
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1192/bjp.2022.2

BACKGROUND: First responders to disasters are at risk of developing post-traumatic stress disorder (PTSD). The trajectories of post-traumatic stress symptom severity differ among individuals, even if they are exposed to similar events. These trajectories have not yet been reported in non-Western first responders. AIMS: We aimed to explore post-traumatic stress symptom severity trajectories and their risk factors in first responders to the 2011 Great East Japan Earthquake (GEJE) - a historically large earthquake that resulted in a tsunami and a nuclear disaster. METHOD: A total of 55 632 Japan Ground Self-Defense Force (JGSDF) personnel dispatched to the GEJE were enrolled in this 7-year longitudinal cohort study. PTSD symptom severity was measured using the Impact of Event Scale-Revised. Trajectories were identified using latent growth mixture models (LGMM). Nine potential risk factors for the symptom severity trajectories were analysed using multinomial logistic regression. RESULTS: Five symptom severity trajectories were identified: 'resilient' (54.8%), 'recovery' (24.6%), 'incomplete recovery' (10.7%), 'late-onset' (5.7%), and 'chronic' (4.3%). The main risk factors for the four non-resilient trajectories were older age, personal disaster experiences and working conditions. These working conditions included duties involving body recovery or radiation exposure risk, longer deployment length, later or no post-deployment leave and longer post-deployment overtime. CONCLUSIONS: The majority of first responders to GEJE were resilient and developed few or no PTSD symptoms. A substantial minority experienced late-onset and chronic symptom severity trajectories. The identified risk factors can inform policies for prevention, early detection and intervention in individuals at risk of developing symptomatic trajectories.

リンク情報
DOI
https://doi.org/10.1192/bjp.2022.2
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/35191369
ID情報
  • DOI : 10.1192/bjp.2022.2
  • PubMed ID : 35191369

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