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Is Rescuer Cardiopulmonary Resuscitation Jeopardised by Previous Fatiguing Exercise?

Author

Listed:
  • J. Arturo Abraldes

    (Department of Physical Activity and Sport, Faculty of Sports Sciences, University of Murcia, 30720 Murcia, Spain
    Porto Biomechanics Laboratory, University of Porto, 4200-450 Porto, Portugal)

  • Ricardo J. Fernandes

    (Porto Biomechanics Laboratory, University of Porto, 4200-450 Porto, Portugal
    Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal)

  • Núria Rodríguez

    (Department of Physical Activity and Sport, Catholic University of San Antonio, 30107 Murcia, Spain)

  • Ana Sousa

    (Research Center for Sports, Exercise and Human Development, 5001-801 Vila Real, Portugal
    University Institute of Maia, 4475-690 Maia, Portugal)

Abstract

Survival outcomes increase significantly when cardiopulmonary resuscitation (CPR) is provided correctly, but rescuer’s fatigue can compromise CPR delivery. We investigated the effect of a 100-m maximal run on CPR and physiological variables in 14 emergency medical technicians (age 29.2 ± 5.8 years, height 171.2 ± 1.1 cm and weight 73.4 ± 13.1 kg). Using an adult manikin and a compression-ventilation ratio of 30:2, participants performed 4-min CPR after 4-min baseline conditions (CPR) and 4-min CPR after a 100-m maximal run carrying emergency material (CPR-run). Physiological variables were continuously measured during baseline and CPR conditions using a portable gas analyzer (K4b 2 , Cosmed, Rome, Italy) and analyzed using two HD video cameras (Sony, HDR PJ30VE, Japan). Higher VO 2 (14.4 ± 2.1 and 22.0 ± 2.5 mL·kg −1 ·min −1 ) and heart rate (123 ± 17 and 148 ± 17 bpm) were found for CPR-run. However, the compression rate was also higher during the CPR-run (373 ± 51 vs. 340 ± 49) and between every three complete cycles (81 ± 9 vs. 74 ± 14, 99 ± 14 vs. 90 ± 10, 99 ± 10 vs. 90 ± 10, and, 101 ± 15 vs. 94 ± 11, for cycle 3, 6, 9 and 12, respectively). Fatigue induced by the 100-m maximal run had a strong impact on physiological variables, but a mild impact on CPR emergency medical technicians’ performance.

Suggested Citation

  • J. Arturo Abraldes & Ricardo J. Fernandes & Núria Rodríguez & Ana Sousa, 2020. "Is Rescuer Cardiopulmonary Resuscitation Jeopardised by Previous Fatiguing Exercise?," IJERPH, MDPI, vol. 17(18), pages 1-11, September.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:18:p:6668-:d:412975
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    Cited by:

    1. J. Arturo Abraldes & Ricardo J. Fernandes & Ricardo Morán-Navarro, 2021. "Previous Intensive Running or Swimming Negatively Affects CPR Effectiveness," IJERPH, MDPI, vol. 18(18), pages 1-10, September.

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