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http://dx.doi.org/10.7731/KIFSE.0902eaff

Effect of Chest Compression Position Depending on the Rescuer's Hip Joint Angle During Basic CPR  

Lee, Jae-Min (Department of Emergency Medical Technology, Gwangju Health University)
Yun, Hyeong-Wan (Department of Emergency Medical Technology, Vision College of Jeonju)
Publication Information
Fire Science and Engineering / v.34, no.2, 2020 , pp. 103-109 More about this Journal
Abstract
This study aims to investigate the improvement in basic CPR quality on the basis of the hip joint angle of the rescuer among students in the Department of Emergency Medical Technology who completed a basic CPR curriculum. In this study, we carried out a comparative analysis using SimPad SkillReporter and Resusci Anne® QCPR® to measure the quality of CPR (depth of chest compressions, full relaxation, compression speed, and more) on the basis of the rescuer's hip joint angle in accordance with the 2015 AHA Guidelines and conducted chest compressions and CPR 5 times in a 30:2 ratio. It was found that maintenance of the rescuer's hip joint angle at 90 degrees while compressing and relaxing the chest made a statistically significant difference in both the experimental and control groups. Moreover, this indicated that the closer the hip joint angle was to 90 degrees, the better was the quality of basic CPR. However, there was no significant difference in the hip joint angle, degree of CPR, depth of chest compressions, chest compression speed, chest compression and relaxation percentages (%), accuracy of chest compressions, hands-off time during CPR, and percentage of chest compression time (p > 0.05). Maintaining the hip joint angle at 90 degrees for basic CPR was not significantly different from not maintaining this angle. Nonetheless, good results have been obtained at moderate depth and 100% recoil. Therefore, good outcome and high-quality CPR are expected.
Keywords
Cardiopulmonary resuscitation (CPR); Hip joint angle; Out-of-hospital resuscitation; BLS support; Medical education;
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