Ambulance dispatches from unaffected areas after the Great East Japan Earthquake: Impact on emergency care in the unaffected areas

Akihito Hagihara, Daisuke Onozuka, Takashi Nagata, Takeru Abe, Manabu Hasegawa, Yoshihiro Nabeshima

研究成果: Contribution to journalArticle査読

抄録

Objective Although dispatching ambulance crews from unaffected areas to a disaster zone is inevitable when a major disaster occurs, the effect on emergency care in the unaffected areas has not been studied. We evaluated whether dispatching ambulance crews from unaffected prefectures to those damaged by the Great East Japan Earthquake was associated with reduced resuscitation outcomes in out-of-hospital cardiac arrest (OHCA) cases in the unaffected areas. Methods We used the Box-Jenkins transfer function model to assess the relationship between ambulance crew dispatches and return of spontaneous circulation (ROSC) before hospital arrival or 1-month survival after the cardiac event. Results In a model whose output was the rate of ROSC before hospital arrival, dispatching 1000 ambulance crews was associated with a 0.474% decrease in the rate of ROSC after the dispatch in the prefectures (p=0.023). In a model whose output was the rate of 1-month survival, dispatching 1000 ambulance crews was associated with a 0.502% decrease in the rate of 1-month survival after the dispatch in the prefectures (p=0.011). Conclusions The dispatch of ambulances from unaffected prefectures to earthquake-stricken areas was associated with a subsequent decrease in the ROSC and 1-month survival rates in OHCA cases in the unaffected prefectures.

本文言語英語
ページ(範囲)609-613
ページ数5
ジャーナルDisaster Medicine and Public Health Preparedness
9
6
DOI
出版ステータス出版済み - 6 5 2015

All Science Journal Classification (ASJC) codes

  • Public Health, Environmental and Occupational Health

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