Department of Emergency Medicine, Ankara City Hospital, Ankara, Turkey.
Department of Emergency Medicine, University of Health Sciences, Ankara City Hospital, Ankara, Turkey.
J Emerg Med. 2020 Mar;58(3):432-438. doi: 10.1016/j.jemermed.2019.11.045. Epub 2020 Mar 27.
Although there are several studies comparing the quality of manual and mechanical chest compressions, we decided to conduct this study because results of previous studies were not sufficient for us to arrive at a definite conclusion.
In this study, our goal was to evaluate the quality of cardiopulmonary resuscitation (CPR) performed manually and by mechanical chest compression device (MCCD) when removing out-of-hospital cardiac arrest patients from their homes via stairs.
A total of 20 paramedics participated in the study. The patient simulator manikin was moved down the stairs while each of 20 paramedics performed chest compressions, then it was moved down the stairs again 20 times while the MCCD performed chest compressions. Compression depth, compression rate, and hands-on times were recorded and the data were compared.
The median chest compression rate was 142.0 compressions/min (interquartile [25 to 75 percentile] range [IQR] 134.9-148.7 compressions/min) for the paramedics and 102.3 compressions/min for the MCCD (IQR 102.2-102.5 compressions/min) (p < 0.01). The median chest compression depth was 25.2 mm (IQR 23.2-30.9 mm) for the paramedics and 52.0 mm for the MCCD (IQR 51.4-52.6 mm) (p < 0.001). The rate of hands-on time for chest compressions performed by the paramedic participants was 92.0% (IQR 86.5-100%). Hands-on rate of the MCCD was 100% (p = 0.09).
In our study, while carrying the patient simulator manikin to the lower floor, it was found that the MCCD achieved high-quality CPR targets recommended by resuscitation guidelines in terms of compression rate, depth, and hands-on-time.
虽然有几项研究比较了手动和机械胸外按压的质量，但我们决定进行这项研究，是因为之前的研究结果还不足以让我们得出明确的结论。
在这项研究中，我们的目标是评估将院外心脏骤停患者从家中通过楼梯搬运到楼下时，手动和机械胸外按压设备（MCCD）进行心肺复苏（CPR）的质量。
共有 20 名护理人员参与了这项研究。在 20 名护理人员进行胸外按压的过程中，将患者模拟人从楼梯上移下，然后 MCCD 再进行 20 次胸外按压，再次将患者模拟人从楼梯上移下。记录按压深度、按压频率和上手次数，并进行比较。
护理人员的中位数按压频率为 142.0 次/分钟（四分位距[25 至 75 百分位数]范围[IQR] 134.9-148.7 次/分钟），MCCD 的中位数按压频率为 102.3 次/分钟（IQR 102.2-102.5 次/分钟）（p<0.01）。护理人员的中位数按压深度为 25.2 毫米（IQR 23.2-30.9 毫米），MCCD 的中位数按压深度为 52.0 毫米（IQR 51.4-52.6 毫米）（p<0.001）。护理人员进行胸外按压的上手时间率为 92.0%（IQR 86.5-100%）。MCCD 的上手率为 100%（p=0.09）。
在我们的研究中，当将患者模拟人搬运到较低的楼层时，发现 MCCD 达到了复苏指南推荐的高质量 CPR 目标，在按压频率、深度和上手时间方面都表现出色。
