Objective:

The objective of this study was to verify whether the efficacy of Cardiopulmonary Resuscitation (CPR) was affected by extreme heat (40ºC) and cold (0ºC) temperature environments, compared to a CPR in ambient temperature (22ºC).

Method:

2 minutes of uninterrupted external chest compressions (ECC) were performed under ambient temperature conditions of 40ºC, 0ºC and 22ºC, in a realistic mannequin Resusci Anne QCPR with SIMPAD.

Results:

30 participants, both people with prior training in CPR (86.7%) and without it (13.3%), were part of the sample, 26 women (86.7%) and 4 men (13.3%), with a mean age of 27.37 ± 8.88 years. No statistically significant differences were found in the efficacy of CPR; but there were differences between the total number of CT (p = 0.042), the average depth of the ECC (p = 0.015) and the average frequency (p = 0.034). The Borg scale of perceived exertion (RPE) showed an average of 4.4 ± 1.303 at 22° C, 4.97 ± 1.402 at 40° C and 4.87 ± 2.08 at 0° C (p> 0.05). There were no significant differences in hair lactate.

Conclusions:

It is concluded that there are no significant differences between the three conditions, although it seems that the cold and room temperatures resemble results and that the heat temperature offers a slight disadvantage of the others.

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