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首页> 外文期刊>Canadian Journal of Emergency Medicine >Real-time visual feedback during training improves laypersons’ CPR quality: a randomized controlled manikin study
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Real-time visual feedback during training improves laypersons’ CPR quality: a randomized controlled manikin study

机译：培训期间的实时视觉反馈可提高外行人员的心肺复苏质量：一项随机对照的人体模型研究

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Objective The chances of surviving an out-of-hospital cardiac arrest depend on early and high-quality cardiopulmonary resuscitation (CPR). Our aim is to verify whether the use of feedback devices during laypersons’ CPR training improves chest compression quality. Methods Laypersons totalling 450 participating in Basic Life Support and Automated External Defibrillation (BLS/AED) courses were randomly divided into three groups: group No Feedback (NF) attended a course without any feedback, group Short Feedback (SF) a course with 1-minute training with real-time visual feedback, and group Long Feedback (LF) a course with 10-minute training with real-time visual feedback. At the end of each course, we recorded 1 minute of compression-only CPR. The primary end point was the difference in the percentage of compressions performed with correct depth. Results There was a significant improvement in the percentage of compressions with correct depth in the groups receiving feedback compared to the other (NF v. LF, p=0.022; NF v. SF, p=0.005). This improvement was also present in the percentage of compressions with a complete chest recoil (71.7% in NF, 86.6% in SF, and 88.8% in LF; p&0.001), compressions with the correct hand position (93.2% in NF, 98.2% in SF, and 99.3% in LF; p&0.001), and in the Total CPR Score (79.4% in NF, 90.2% in SF, and 92.5% in LF; p&0.001). There were no significant differences for all of the parameters between group SF and group LF. Conclusions Real-time visual feedback improves laypersons’ CPR quality, and we suggest its use in every BLS/AED course for laypersons because it can help achieve the goals emphasized by the International Liaison Committee on Resuscitation recommendations.
机译：目的院外心脏骤停生存的机会取决于早期高质量的心肺复苏（CPR）。我们的目的是验证在非专业人员进行CPR训练期间使用反馈设备是否可以提高胸部按压质量。方法将总共450名参加基本生活支持和自动体外除颤（BLS / AED）课程的外行人员随机分为三组：无反馈组（NF）参加无任何反馈的课程，短反馈组（SF）进行1级的课程实时视觉反馈进行分钟培训，并通过实时视觉反馈将经过10分钟培训的课程分组为长反馈（LF）。在每个课程的最后，我们记录了1分钟的仅压缩CPR。主要终点是在正确深度下进行压缩的百分比差异。结果与其他组相比，在获得反馈的组中，具有正确深度的压缩百分比显着提高（NF v。LF，p = 0.022; NF v。SF，p = 0.005）。胸部完全后坐时的按压百分比（NF为71.7％，SF为86.6％，LF为88.8％; p <0.001），正确的手部按压（NF为93.2％，98.2）也有改善。在SF中占9％，在LF中占99.3％; p ＜0.001），在总CPR得分中（NF占79.4％，SF占90.2％，LF占92.5％; p ＜0.001）。 SF组和LF组之间的所有参数均无显着差异。结论实时视觉反馈可以提高外行人的CPR质量，我们建议在每项BLS / AED中为外行人使用CPR，因为它可以帮助实现国际复苏委员会建议所强调的目标。

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