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J Korean Soc Emerg Med > Volume 31(6); 2020 > Article
Journal of The Korean Society of Emergency Medicine 2020;31(6): 527-533.
병원 내 심폐소생술에서 흉부압박의 질에 있어 구조자 자세가 미치는 영향: 무작위 교차 마네킨 연구
전가람1, 조용철1 , 안홍준1 , 정원준1 , 유연호1 , 박정수2 , 주기혁3
1충남대학교병원 응급의학과
2충남대학교 의과대학 응급의학교실
3청주한국병원 응급의학과
The impact of rescuer’s posture on quality of chest compressions in hospital cardiopulmonary resuscitation: a randomized crossover mannequin study
Galam Jeon1, Yongchul Cho1 , Hongjoon Ahn1 , Wonjoon Jeong1 , Yeonho You1 , Jungsoo Park2 , Kihyuk Joo3
1Department of Emergency Medicine, Chungnam National University Hospital, Daejeon, Korea
2Department of Emergency Medicine, Chungnam National University College of Medicine, Daejeon, Korea
3Department of Emergency Medicine, Hankook General Hospital, Cheongju, Korea
Correspondence  Yongchul Cho ,Tel: 042-280-6002, Fax: 042-280-6014, Email: boxter73@naver.com,
Received: April 19, 2020; Revised: June 30, 2020   Accepted: July 17, 2020.  Published online: December 30, 2020.
This randomized crossover simulation study aimed to compare the effectiveness of chest compressions, performed during 10 minutes of cardiopulmonary resuscitation, in three different compression postures: standing posture (SP), single-leg kneeling posture (SLKP) and both legs kneeling posture (BLKP) on a manikin lying on a bed.
Enrolled participants were doctors, nurses and emergency medical technicians who worked in the emergency department and performed chest compressions (CCs) without ventilation for 5 sessions (10 minutes) in the three compression postures from June to August 2019. The chest compression parameters (CCPs) such as compression depth, compression rate (CR), the accuracy of compression depth (ACD) and accuracy of relaxation (AR) were collected by the Resusci Anne PC skill report system. The statistical differences of CCPs between three postures were analyzed.
A total of 32 participants were enrolled in this study. There were no significant differences between SP, SLKP and BLKP on compression depth (52.6 vs. 53.2 vs. 50.9 mm, P>0.05), CR (110.2 vs. 111.8 vs. 111.6 compressions/min, P>0.05), ACD (43.7% vs. 47.0% vs. 46.3%, P>0.05), and AR (99.4% vs. 99.0% vs. 99.3%, P>0.05). There were no significant differences in CCPs according to chest compression time in the three postures. However, there was a significant difference between the SP and BLKP (16.0 vs. 14.0, P=0.023) on the Borg scale of subjective fatigability.
In our study, when rescuers performed chest compression on a hospital bed, the parameters of CCs for the three compression postures were similar.
Key words: Cardiopulmonary resuscitation; Posture; Beds
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