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The fast emergency vehicle pre-emption system improved the outcomes of out-of-hospital cardiac arrest

フォーマット:
論文
責任表示:
Tanaka, Yoshio ; Yamada, Hiroshi ; Tamasaku, Shuji ; Inaba, Hideo
言語:
英語
出版情報:
Elsevier, 2013-10-01
著者名:
掲載情報:
American Journal of Emergency Medicine
ISSN:
0735-6757  CiNii Articles  Webcat Plus  JAIRO
巻:
31
通号:
10
開始ページ:
1466
終了ページ:
1471
バージョン:
author
概要:
Purposes: Ambulance response time is a major factor associated with survival in out-of-hospital cardiac arrests (OHCAs); the fast emergency vehicle pre-emption system (FAST™) aids response time by controlling traffic signals. This eight-year observational study investigated whether FAST™ implementation reduced response times and improved OHCA outcomes. Methods: Data was prospectively collected from 1161 OHCAs that were not witnessed by emergency medical technicians from April 1, 2003, to March 31, 2011. The study took place in Kanazawa city, where ambulances without FAST™ (non-FAST™-equipped) were being progressively replaced by new FAST™-equipped ambulances. OHCA data, including the response times recorded in seconds, were collected and compared between the FAST™-equipped and non-FAST™-equipped ambulances. OHCA outcomes were subsequently compared in the subgroup of OHCAs managed by emergency medical technicians without tracheal intubation or epinephrine administration. The primary end-point of this study was one-year (1-Y) survival. Results: The median response time significantly differed between the FAST™-equipped and non-FAST™-equipped groups at 327 and 381 s, respectively. The 1-Y survival rates were 7.0% in the FAST™-equipped group and 2.8% in the non-FAST™-equipped group. Logistic regression analysis revealed that the dispatch of a FAST™-equipped ambulance was an independent factor for 1-Y survival (adjusted odds ratio = 3.077, 95% confidence interval = 1.180-9.350). Conclusions: The FAST™ implementation significantly reduced ambulance response times and improved OHCA outcomes in Kanazawa city. © 2013 Elsevier Inc. All rights reserved. 続きを見る
URL:
http://hdl.handle.net/2297/35643

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