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Characteristics and Outcomes of Emergency Transferred Patients with Foreign Body Airway Obstruction in Tokyo, Japan

Published online by Cambridge University Press:  20 March 2023

Ryotaro Suga ,
Yutaka Igarashi Open the ORCID record for Yutaka Igarashi [Opens in a new window] ,
Tatsuya Norii ,
Takuya Kogure ,
Hiroki Kamimura ,
Yudai Yoshino ,
Kensuke Suzuki ,
Shoji Yokobori ,
Satoo Ogawa  and
Hiroyuki Yokota
Ryotaro Suga
Affiliation:
Graduate School of Medical and Health Science, Nippon Sport Science University, Kanagawa, Japan
Yutaka Igarashi*
Affiliation:
Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
Tatsuya Norii
Affiliation:
Department of Emergency medicine, University of New Mexico, Albuquerque, New Mexico USA
Takuya Kogure
Affiliation:
Tokyo Fire Department, Tokyo, Japan
Hiroki Kamimura
Affiliation:
Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
Yudai Yoshino
Affiliation:
Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
Kensuke Suzuki
Affiliation:
Graduate School of Medical and Health Science, Nippon Sport Science University, Kanagawa, Japan
Shoji Yokobori
Affiliation:
Department of Emergency and Critical Care Medicine, Nippon Medical School, Tokyo, Japan
Satoo Ogawa
Affiliation:
Graduate School of Medical and Health Science, Nippon Sport Science University, Kanagawa, Japan
Hiroyuki Yokota
Affiliation:
Graduate School of Medical and Health Science, Nippon Sport Science University, Kanagawa, Japan
*
Correspondence: Yutaka Igarashi, MD, PhD 1-1-5 Sendagi, Bunkyo-ku Tokyo 113-8603, Japan E-mail: igarashiy@nms.ac.jp
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Abstract

Introduction:

Foreign body airway obstruction (FBAO) is a life-threatening emergency, and the prognosis of patients with FBAO is greatly affected by the prehospital process. There are only a few large-scale studies analyzing prehospital process databases of the fire department.

Study Objective:

The aim of this study was to investigate whether characteristics of patients with FBAO were associated with prehospital factors and outcomes.

Methods:

In this retrospective observational study, patients transferred to the hospital by the Tokyo, Japan Fire Department for FBAO from 2017 through 2019 were included. The association between neurologically favorable survival among the characteristics of patients with FBAO and prehospital factors affecting the outcomes was evaluated.

Results:

Of the 2,429,175 patients, 3,807 (0.2%) patients had FBAO. The highest number of FBAO cases was 99 (2.6%), which occurred on January 1 (New Year’s Day), followed by 40 cases (1.1%) on January 2, and 28 cases (0.7%) on January 3. The number of patients who experienced out-of-hospital cardiac arrest (OHCA) caused by FBAO was 1,644 (43.2%). Comparing the OHCA and non-OHCA groups, there were significant differences in age, sex, time spent at the site, and distance between the site and hospital. Cardiac arrest was significantly lower in infants after FBAO (P < .001). In total, 98.2% of patients who did not have return of spontaneous circulation (ROSC) before hospital arrival died within 30 days, a significantly higher mortality rate than that in patients who had ROSC (98.2% versus 65.8%; P < .001).

Conclusions:

Among patients who did not have ROSC following FBAO upon arrival at the hospital, 98.2% died within 30 days. Thus, it is important to remove foreign bodies promptly and provide sufficient ventilation to the patient at the scene to increase the potential for ROSC. Further, more precautions should be exercised to prevent FBAO at the beginning of the year.

Keywords

cerebral performance category scaleEmergency Medical Serviceemergency transferred patientsforeign body airway obstructionout-of-hospital cardiac arrest
Type
Original Research
Information
Prehospital and Disaster Medicine , Volume 38 , Issue 3 , June 2023 , pp. 326 - 331
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Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of the World Association for Disaster and Emergency Medicine

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