Acute muscle fatigue and CPR quality assisted by visual feedback devices: A randomized-crossover simulation trial
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Título: | Acute muscle fatigue and CPR quality assisted by visual feedback devices: A randomized-crossover simulation trial |
Autor/a: | Abelairas Gómez, Cristian Rey, Ezequiel González Salvado, Violeta Mecías Calvo, Marcos Rodríguez Ruiz, Emilio Rodríguez Núñez, Antonio |
Centro/Departamento: | Universidade de Santiago de Compostela. Departamento de Psiquiatría, Radioloxía e Saúde Pública |
Palabras chave: | Resuscitation | Fatigue | Triceps | Muscle contraction | Material fatigue | Abdominal muscles | Muscle analysis | Strenght training | |
Data: | 2018-09-19 |
Editor: | PLOS |
Cita bibliográfica: | Abelairas-Gómez C, Rey E, González-Salvado V, Mecías-Calvo M, Rodríguez-Ruiz E, Rodríguez-Núñez A (2018) Acute muscle fatigue and CPR quality assisted by visual feedback devices: A randomized-crossover simulation trial. PLoS ONE 13(9): e0203576. https://doi.org/10.1371/journal.pone.0203576 |
Resumo: | Objective: To analyse the acute muscular fatigue (AMF) in triceps brachii and rectus abdominis during compression-only and standard cardiopulmonary resuscitation (CPR) performed by certified basic life support providers. Methods: Twenty-six subjects were initially recruited and randomly allocated to two study groups according to the muscles analysed; eighteen finally met the inclusion criteria (nine in each group). Both groups carried out two CPR tests (compression-only and standard CPR) of 10 min divided into five 2-min intermittent periods. The ventilation method was freely chosen by each participant (mouth-to-mouth, pocket-mask or bag-valve-mask). CPR feedback was provided all the time. AMF was measured by tensiomyography at baseline and after each 2-min period of the CPR test, in triceps brachii or rectus abdominis according to the study group. Results: Rectus abdominis’ contraction time increased significantly during the fifth CPR period (p = 0.020). Triceps brachii’s radial muscle belly displacement (p = 0.047) and contraction velocity (p = 0.018) were lower during compression-only CPR than during standard CPR. Participants who had trained previously with feedback devices achieved better CPR quality results in both protocols. Half of participants chose bag-valve-mask to perform ventilations but attained lower significant ventilation quality than the other subjects. Conclusions: Compression-only CPR induces higher AMF than standard CPR. Significantly higher fatigue levels were found during the fifth CPR test period, regardless of the method. Adequate rescuer’s strength seems to be a requisite to take advantage of CPR quality feedback devices. Training should put more emphasis on the quality of ventilation during CPR |
Versión do editor: | https://doi.org/10.1371/journal.pone.0203576 |
URI: | http://hdl.handle.net/10347/17633 |
E-ISSN: | 1932-6203 |
Dereitos: | © 2018 Abelairas-Gómez et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited Atribución 4.0 Internacional |
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