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J Korean Soc Emerg Med > Volume 31(5); 2020 > Article
Journal of The Korean Society of Emergency Medicine 2020;31(5): 448-457.
교통사고로 인한 외상성뇌손상에 대한 안전벨트 예방효과의 연령별 비교
채현석1 , 최병호2 , 홍승준3 , 김상철1 , 이해주1 , 박관진1 , 이지한1 , 김훈1 , 이석우1
1충북대학교병원 응급의학과
2한국교통안전공단
3창원문성대학교 스마트기계자동차공학부
Comparison of preventive effect of seat belt on traumatic brain injury by age in motor vehicle collision
Hyun-Seok Chai1 , Byong-Ho Choe2 , Seung-Jun Hong3 , Sang-Chul Kim1 , Hae-Ju Lee1 , Kwan-Jin Park1 , Ji-Han Lee1 , Hoon Kim1 , Seok-Woo Lee1
1Department of Emergency Medicine, Chungbuk National University Hospital, Cheongju, Korea
2Department of Traffic Safety Research, Korea Transportation Safety Authority, Gimcheon, Korea
3Department of Smart Mechanical Automotive Engineering, Changwon Moonsung University, Changwon, Korea
Correspondence  Sang-Chul Kim ,Tel: 043-269-7853, Fax: 043-269-7810, Email: ooiarahan@nate.com,
Received: February 7, 2020; Revised: April 30, 2020   Accepted: June 16, 2020.  Published online: October 30, 2020.
ABSTRACT
Objective:
This study examined whether the preventive effects of the safety belt on traumatic brain injury (TBI) from motor vehicle collisions (MVCs) differ according to the occupants’ age.
Method:
This study was a retrospective, observational study. This study evaluated the crash data from 2011 to 2016 obtained from the Emergency Department-based Injury In-depth Surveillance registry. The injured occupants were categorized by age into young adults (age, 18-35 years; n=35,032), middle-aged adults (age, 36-55 years; n=34,507), and older adults (aged older than 55 years, n=21,895). The primary (TBI), secondary (intensive care unit [ICU] admission), and tertiary endpoint (mortality) were set. Multivariate logistic regression analysis was performed, and the adjusted odds ratios (aORs) of subgroups were calculated for study outcomes adjusted for any potential confounders.
Results:
Among 91,434 patients, 61,205 used seat belts at the time of the crashes. Compared to the unbelted group, the belted group was less likely to have a TBI. A comparison of the aOR of subgroups for TBI revealed the odds ratio reduction to be the highest in young adults (aOR, 0.39; 95% confidence interval [CI], 0.32-0.47), followed by middle-aged adults (aOR, 0.39; 95% CI, 0.33-0.47) and older adults (aOR, 0.49; 95% CI, 0.42-0.56). In addition, seat belt use had a preventive effect on ICU admission and mortality at all subgroups, the effect of which decreased with age.
Conclusion:
The protective effects of seat belts on TBI, ICU admission, and mortality from MVCs were reduced with age.
Key words: Traffic collisions; Aged; Traumatic brain injuries; Seat belts
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