Discussion
The results of the study show that it is necessary for scientific societies to reflect on the recommendations for recertification of the knowledge acquired in the Basic Life Support course because the current recommendation is to do it every two years. This study can make us rethink this frequency and bring it closer to the training programme currently in force at the Catalan Health Institute, which recommends doing it annually.No statistically significant differences were observed between content learning outcomes using a role-play methodology or using a VR methodology in training at that time of evaluation (A statistically significant difference (The improvement in the satisfaction rating observed between the two training methodologies, despite not having statistical evidence, does reflect what the rest of the studies and publications indicate in reference to an improvement in student satisfaction when using methodologies that allow them to interact and simulate real scenarios.The costs of using the VR methodology are 9.1 euros higher per student than those of traditional training. This difference lies in the cost of licensing that product. If this training were to become widespread, it would lower the cost of the platforms and the gap would be expected to disappear. Other costs such as environmental costs have not been taken into consideration in this study. In this case, VR training can be expected to reduce costs for the environment by reducing student travel to classrooms where face-to-face training takes place.VR allows the training of health service professionals, but it can have a more relevant importance during a period of restrictions such as the COVID-19 pandemic because each student can perform the practical part without the need to interact with other students [The study has some limitations. The availability of the equipment used to conduct the VR sessions may influence the scalability of the study. The study evaluated learning differences between the different professional groups working in the health centres but has not been able to find statistically significant results probably because the reduced number of subjects in each group. This study would have to be extended to obtain results in this sense. This could provide useful information on which professional groups this training could have the greatest impact and thus make the program more efficient.