In the simulation study performed, the use of the TrueCPR device resulted in a significant improvement in the quality of CCs in relation to frequency and depth of CCs and correctness of chest relaxation.

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inTroducTion: Sudden cardiac arrest is a challenge for medical personnel as well as a high socioeconomic burden. Many authors indicate that the quality of cardiopulmonary resuscitation, including chest compressions performed without an assisted device, may raise doubts due to failure to achieve the value of chest compressions recommended by the guidelines of the American Cardiac Society. All kinds of devices supporting cardiopulmonary resuscitation, including CPR feedback devices, may be helpful in this regard. MeThods: The study involved 38 nurses who were tasked with conducting a 2-minute cardiopulmonary resuscitation cycle based on continuous chest compression. chest compressions were carried out in two scenarios: with and without the use of a TrueCPR feedback device. Both the order of the participants as well as the research methods were random. For this purpose, the coin-toss technique was used. Statistical analysis was conducted using the Statistica 12EN system. resulTs: The average chest compression rate in the case of non-instrumental compression was 131 ± 12 compressions per minute and was statistically significantly higher than in the case of using the TrueCPR device (P = 0.022). Mean chest compression depth with and without the TrueCPR device showed significant variation, 38 ± 11 mm for manual chest compression, and 52 ± 6 mm for TrueCPR (P < 0.001). Full chest recoil for manual chest compression and compression using the TrueCPR device was 46 ± 19%, respectively. 75 ± 18% (P < 0.001). conclusions: The use of the TrueCPR device in simulated resuscitation conditions has a statistically significant effect on the improvement of chest compression parameters, including the frequency and depth of chest compressions as well as the degree of correctness of chest relaxation.

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