• J. Matern. Fetal. Neonatal. Med. · Oct 2016

    Rescuers' physical fatigue with different chest compression to ventilation methods during simulated infant cardiopulmonary resuscitation.

    • Anne Marthe Boldingh, Thomas Hagen Jensen, Ane Torvik Bjørbekk, Anne Lee Solevåg, and Britt Nakstad.
    • a Department of Pediatric and Adolescent Medicine , Akershus University Hospital , Lørenskog , Norway and.
    • J. Matern. Fetal. Neonatal. Med. 2016 Oct 1; 29 (19): 3202-7.

    ObjectiveTo assess development of objective, subjective and indirect measures of fatigue during simulated infant cardiopulmonary resuscitation (CPR) with two different methods.MethodsUsing a neonatal manikin, 17 subject-pairs were randomized in a crossover design to provide 5-min CPR with a 3:1 chest compression (CC) to ventilation (C:V) ratio and continuous CCs at a rate of 120 min(-1) with asynchronous ventilations (CCaV-120). We measured participants' changes in heart rate (HR) and mean arterial pressure (MAP); perceived level of fatigue on a validated Likert scale; and manikin CC measures.ResultsCCaV-120 compared with a 3:1 C:V ratio resulted in a change during 5-min of CPR in HR 49 versus 40 bpm (p = 0.01), and MAP 1.7 versus -2.8 mmHg (p = 0.03); fatigue rated on a Likert scale 12.9 versus 11.4 (p = 0.2); and a significant decay in CC depth after 90 s (p = 0.03).ConclusionsThe results indicate a trend toward more fatigue during simulated CPR in CCaV-120 compared to the recommended 3:1 C:V CPR. These results support current guidelines.

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