Quality of chest compressions during 10min of single-rescuer basic life support with different compression: ventilation ratios in a manikin model

Resuscitation
Conrad Arnfinn BjørsholKjetil Sunde

Abstract

Good quality basic life support (BLS) improves outcome during cardiac arrest. As fatigue may reduce BLS performance over time we wanted to examine the quality of chest compressions in a single-rescuer scenario during prolonged BLS with different compression:ventilation ratios (C:V ratios). Professional paramedics were asked to perform single-rescuer BLS with C:V ratios of 15:2, 30:2 and 50:2 for 10 min each in random order. A Laerdal Medical Resusci Anne Simulator with PC Skillreporting System was used for BLS quality analysis. Total number of chest compressions, compression depth and compression rate were measured and the differences between the C:V ratios were analysed with repeated measures ANOVA. For analysis of fatigue, chest compression variables for each 2-min period were analysed and compared with the first 2-min period using repeated measures ANOVA. Altogether 50 paramedics completed the study. The mean number of chest compressions increased significantly from 604 to 770 and 862 with C:V ratios of 15:2, 30:2 and 50:2, respectively. Chest compression rate was significantly higher with C:V ratio of 15:2 compared to 30:2 and 50:2 but was above 100 per minute for all three ratios. However, the mean chest compression depth ...Continue Reading

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Citations

Aug 11, 2011·Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine·Conrad A BjørsholEldar Søreide
Sep 24, 2011·The Journal of Emergency Medicine·Je Sung YouTae Sik Hwang
May 15, 2010·The American Journal of Emergency Medicine·Michael R PreuschChristoph Nikendei
Dec 17, 2008·Resuscitation·Christian Bjerre HøyerBerit Eika
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Jul 1, 2011·Korean journal of anesthesiology·Josef Holzki
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Mar 7, 2018·Anesthesia Progress·Carlos Cobo-VázquezMaría Del Carmen Gasco-García
Apr 15, 2010·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Scott T YoungquistJohn P Rosborough
Sep 22, 2020·Emergency Medicine International·Nutthapong Pechaksorn, Veerapong Vattanavanit
Feb 24, 2021·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Gabe D LancasterWarren D Franke
Jun 7, 2011·Simulation in Healthcare : Journal of the Society for Simulation in Healthcare·S Barry IssenbergPeter Dieckmann
Jan 7, 2014·The American Journal of Emergency Medicine·Jui-Yi TsouChih-Hsien Chi

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