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首页> 外文期刊>Resuscitation. >The quality of chest compressions by trained personnel: the effect of feedback, via the CPREzy, in a randomized controlled trial using a manikin model.
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The quality of chest compressions by trained personnel: the effect of feedback, via the CPREzy, in a randomized controlled trial using a manikin model.

机译：受过训练的人员进行胸部按压的质量：在使用人体模型的随机对照试验中，通过CPREzy进行反馈的效果。

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摘要

Even after training, the ability to perform effective cardiac compressions has been found to be poor and to decrease rapidly. We assessed this ability with and without a non-invasive feedback device, the CPREzy, during a 270s CPR session in an unannounced, single-blinded manikin study using 224 hospital employees and staff chosen at random and using a non-cross over design. The two groups self-assessed their knowledge and skills as adequate. However, the control group (N=111) had significantly more difficulty in delivering chest compressions deeper than 4 cm (25 versus 1 candidate in the CPREzy group), P=0.0001. The control group compressed ineffectively in 36% (+/-41%) of all compressions as opposed to 6+/-13% in the CPREzy group (N=112, P=0.0001). If compressions were effective initially, the time until >50% of compressions were less than 4 cm deep was 75+/-81s in the control group versus 194+/-87 s in the CPREzy group (P=0.0001 [-180 to -57.5]). After a few seconds of training in its use, our candidates used the CPREzy effectively. Against the background knowledge that estimation of compression depth by the rescuer or other team members is difficult, and that performing effective compressions is the cornerstone of any resuscitation attempt, our data suggests that a feedback device such as the CPREzy should be used consistently during resuscitation.
机译：即使在训练后，也发现执行有效心脏按压的能力很差并且会迅速下降。在一项未经宣布的单盲人体模型研究中，在270 s CPR会话中，我们使用224种医院员工和随机选择的员工，并采用非交叉设计，在有无CPR的情况下评估了有无CPREzy这种能力。两组人对自己的知识和技能进行了自我评估。但是，对照组（N = 111）在进行深于4 cm的胸外按压时难度更大（CPREzy组为25对1个候选者），P = 0.0001。对照组在所有按压中无效压缩的比例为36％（+/- 41％），而CPREzy组为6 +/- 13％（N = 112，P = 0.0001）。如果最初压迫有效，则在对照组中，> 50％的压迫深度小于4 cm的时间为75 +/- 81 s，而CPREzy组为194 +/- 87 s（P = 0.0001 [-180至- 57.5]）。经过几秒钟的使用培训，我们的候选人有效地使用了CPREzy。相对于这样的背景知识，即救援人员或其他团队成员很难估计压缩深度，而执行有效的压缩是任何复苏尝试的基石，我们的数据表明，在复苏过程中应始终使用诸如CPREzy之类的反馈设备。

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