Different Resting Methods in Improving Laypersons Hands-Only Cardiopulmonary Resuscitation Quality and Reducing Fatigue: A Randomized Crossover Study

Objective: To determine the effects of different resting methods with various rest-start points or rest-compression ratios on improving cardiopulmonary resuscitation (CPR) quality and reducing fatigue during continuous chest compressions (CCC) in 10-min hands-only CPR scenario. Methods: This prospec...

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Autores principales:	Xuejie Dong, Qiang Zhou, Qiuchen Lu, Huiqiu Sheng, Lin Zhang, Zhi-Jie Zheng
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Hands-only CPR Laypeople Rest Rescuer fatigue High-quality CPR Specialties of internal medicine RC581-951
Acceso en línea:	https://doaj.org/article/3880bab93a5f48a18f3c56c4331ca294
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spelling	oai:doaj.org-article:3880bab93a5f48a18f3c56c4331ca2942021-11-14T04:35:47ZDifferent Resting Methods in Improving Laypersons Hands-Only Cardiopulmonary Resuscitation Quality and Reducing Fatigue: A Randomized Crossover Study2666-520410.1016/j.resplu.2021.100177https://doaj.org/article/3880bab93a5f48a18f3c56c4331ca2942021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666520421001028https://doaj.org/toc/2666-5204Objective: To determine the effects of different resting methods with various rest-start points or rest-compression ratios on improving cardiopulmonary resuscitation (CPR) quality and reducing fatigue during continuous chest compressions (CCC) in 10-min hands-only CPR scenario. Methods: This prospective crossover study was conducted in 30 laypersons aged 18-65. Trained participants were randomized to follow different orders to perform following hands-only CPR methods: (1) CCC, 10-min CCC; (2) 4+6, 4-min CCC + 6-min of 10-s pause after 60-s compressions; (3) 2+8 (10/60), 2-min CCC + 8-min of 10-s pause after 60-s compressions; (4) 5/30, 2-min CCC + 8-min of 5-s pause after 30-s compressions; (5) 3/15, 2-min CCC + 8-min of 3-s pause after 15-s compressions. CPR quality (depth, rate, hands-off duration, chest compression fraction (CCF)) and participants’ fatigue indicators (heart rate, blood pressure, rating of perceived exertion (RPE)) were compared among methods of different rest-start points and different rest-compression ratios with CCC. Results: Twenty-eight participants completed all methods. All resting methods reduced the trend of declining compression depth and the trend of increasing RPE while maintaining CCF of more than 86%. In methods with different rest-start points, the 2+8 method showed no difference in overall CPR quality or fatigue, but better CPR quality of every minute than 4+6 method. In methods with different rest-compression ratios, the 3/15 method showed the best CPR quality and the highest heart rate increment. Conclusion: During prolonged hands-only CPR, appropriate transient rests were associated with higher CPR quality and lower subjectively perceived fatigue in laypersons.Xuejie DongQiang ZhouQiuchen LuHuiqiu ShengLin ZhangZhi-Jie ZhengElsevierarticleHands-only CPRLaypeopleRestRescuer fatigueHigh-quality CPRSpecialties of internal medicineRC581-951ENResuscitation Plus, Vol 8, Iss , Pp 100177- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Hands-only CPR Laypeople Rest Rescuer fatigue High-quality CPR Specialties of internal medicine RC581-951
spellingShingle	Hands-only CPR Laypeople Rest Rescuer fatigue High-quality CPR Specialties of internal medicine RC581-951 Xuejie Dong Qiang Zhou Qiuchen Lu Huiqiu Sheng Lin Zhang Zhi-Jie Zheng Different Resting Methods in Improving Laypersons Hands-Only Cardiopulmonary Resuscitation Quality and Reducing Fatigue: A Randomized Crossover Study
description	Objective: To determine the effects of different resting methods with various rest-start points or rest-compression ratios on improving cardiopulmonary resuscitation (CPR) quality and reducing fatigue during continuous chest compressions (CCC) in 10-min hands-only CPR scenario. Methods: This prospective crossover study was conducted in 30 laypersons aged 18-65. Trained participants were randomized to follow different orders to perform following hands-only CPR methods: (1) CCC, 10-min CCC; (2) 4+6, 4-min CCC + 6-min of 10-s pause after 60-s compressions; (3) 2+8 (10/60), 2-min CCC + 8-min of 10-s pause after 60-s compressions; (4) 5/30, 2-min CCC + 8-min of 5-s pause after 30-s compressions; (5) 3/15, 2-min CCC + 8-min of 3-s pause after 15-s compressions. CPR quality (depth, rate, hands-off duration, chest compression fraction (CCF)) and participants’ fatigue indicators (heart rate, blood pressure, rating of perceived exertion (RPE)) were compared among methods of different rest-start points and different rest-compression ratios with CCC. Results: Twenty-eight participants completed all methods. All resting methods reduced the trend of declining compression depth and the trend of increasing RPE while maintaining CCF of more than 86%. In methods with different rest-start points, the 2+8 method showed no difference in overall CPR quality or fatigue, but better CPR quality of every minute than 4+6 method. In methods with different rest-compression ratios, the 3/15 method showed the best CPR quality and the highest heart rate increment. Conclusion: During prolonged hands-only CPR, appropriate transient rests were associated with higher CPR quality and lower subjectively perceived fatigue in laypersons.
format	article
author	Xuejie Dong Qiang Zhou Qiuchen Lu Huiqiu Sheng Lin Zhang Zhi-Jie Zheng
author_facet	Xuejie Dong Qiang Zhou Qiuchen Lu Huiqiu Sheng Lin Zhang Zhi-Jie Zheng
author_sort	Xuejie Dong
title	Different Resting Methods in Improving Laypersons Hands-Only Cardiopulmonary Resuscitation Quality and Reducing Fatigue: A Randomized Crossover Study
title_short	Different Resting Methods in Improving Laypersons Hands-Only Cardiopulmonary Resuscitation Quality and Reducing Fatigue: A Randomized Crossover Study
title_full	Different Resting Methods in Improving Laypersons Hands-Only Cardiopulmonary Resuscitation Quality and Reducing Fatigue: A Randomized Crossover Study
title_fullStr	Different Resting Methods in Improving Laypersons Hands-Only Cardiopulmonary Resuscitation Quality and Reducing Fatigue: A Randomized Crossover Study
title_full_unstemmed	Different Resting Methods in Improving Laypersons Hands-Only Cardiopulmonary Resuscitation Quality and Reducing Fatigue: A Randomized Crossover Study
title_sort	different resting methods in improving laypersons hands-only cardiopulmonary resuscitation quality and reducing fatigue: a randomized crossover study
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/3880bab93a5f48a18f3c56c4331ca294
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Different Resting Methods in Improving Laypersons Hands-Only Cardiopulmonary Resuscitation Quality and Reducing Fatigue: A Randomized Crossover Study

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