Department of Emergency Medicine, Chungnam National University Hospital, Daejeon, South Korea.
Department of Emergency Medicine, Chungnam National University Hospital, Daejeon, South Korea; Department of Emergency Medicine, College of medicine, Chungnam National University, Daejeon, South Korea.
Am J Emerg Med. 2022 Jan;51:22-25. doi: 10.1016/j.ajem.2021.09.060. Epub 2021 Oct 5.
The use of personal protective equipment for respiratory infection control during cardiopulmonary resuscitation (CPR) is a physical burden to healthcare providers. The duration for which CPR quality according to recommended guidelines can be maintained under these circumstances is important. We investigated whether a 2-min shift was appropriate for chest compression and determined the duration for which chest compression was maintained in accordance with the recommended guidelines while wearing personal protective equipment.
This prospective crossover simulation study was performed at a single center from September 2020 to October 2020. Five indicators of CPR quality were measured during the first and second sessions of the study period. All participants wore a Level D powered air-purifying respirator (PAPR), and the experiment was conducted using a Resusci Anne manikin, which can measure the quality of chest compressions. Each participant conducted two sessions. In Session 1, the sequence of 2 min of chest compressions, followed by a 2-min rest, was repeated twice; in Session 2, the sequence of 1-min chest compressions followed by a 1-min rest was repeated four times.
All 34 participants completed the study. The sufficiently deep compression rate was 65.9 ± 31.1% in the 1-min shift group and 61.5 ± 30.5% in the 2-min shift group. The mean compression depth was 52.8 ± 4.3 mm in the 1-min shift group and 51.0 ± 6.1 mm in the 2-min shift group. These two parameters were significantly different between the two groups. There was no significant difference in the other values related to CPR quality.
Our findings indicated that 1 min of chest compressions with a 1-min rest maintained a better quality of CPR while wearing a PAPR.
在心肺复苏（CPR）期间，使用个人防护设备来控制呼吸道感染会给医护人员带来身体负担。在这种情况下，按照推荐指南维持高质量 CPR 的时间长短很重要。我们调查了 2 分钟的换班是否适合进行胸外按压，并确定了在佩戴个人防护设备的情况下，按照推荐指南维持胸外按压的时间。
这是一项在 2020 年 9 月至 10 月在单一中心进行的前瞻性交叉模拟研究。在研究期间的第一和第二阶段测量了 5 项 CPR 质量指标。所有参与者均佩戴 D 级动力空气净化呼吸器（PAPR），并使用 Resusci Anne 模型进行实验，该模型可测量胸外按压的质量。每位参与者进行两次试验。在第 1 阶段，重复进行 2 分钟的胸外按压，然后休息 2 分钟，共进行两次；在第 2 阶段，重复进行 4 次 1 分钟的胸外按压，然后休息 1 分钟。
所有 34 名参与者均完成了研究。在 1 分钟换班组，充分深度按压率为 65.9±31.1%，在 2 分钟换班组为 61.5±30.5%。在 1 分钟换班组，平均按压深度为 52.8±4.3mm，在 2 分钟换班组为 51.0±6.1mm。这两个参数在两组之间有显著差异。与 CPR 质量相关的其他值没有显著差异。
我们的研究结果表明，在佩戴 PAPR 时，1 分钟的胸外按压和 1 分钟的休息可以保持更好的 CPR 质量。
