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Out-of-hospital cardiac arrest in Portugal - a call for a registry project
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Introduction: Sudden Out-of-Hospital Cardiac Arrest (OHCA) is a significant global health issue, with considerable regional variations, and is the third leading cause of death in Europe. With approximately 80% of cases being witnessed, immediate initiation of cardiopulmonary resuscitation (CPR) by lay bystanders can increase OHCA survival by a factor of 2–4. In 2007, the European Resuscitation Council (ERC) established the European Registry of Cardiac Arrest (EuReCa) to systematically collect and analyze OHCA data across Europe, identifying gaps in the chain of survival. EuReCa findings highlight the critical impact of bystander CPR and the importance of measurement for evidence-based improvement. However, previous EuReCa studies in Portugal were limited to Madeira and the Azores, representing less than 5% of the population. This exploratory study is the first to provide comprehensive nationwide OHCA data, aiming to characterize the current national context. Objective: Characterize the current national situation in terms of sudden OHCA survival and bystander CPR. Methods: A retrospective cohort study was conducted from September 1 to November 30, 2022. All EMS-attended OHCA cases were included, and Utstein-style guidelines were applied to ensure standardized data reporting. Results: During the study period, 4769 OHCA cases were recorded, including 2128 witnessed by laypeople. Bystander CPR was performed in 555 cases (26%), and ROSC was achieved in 117 victims, corresponding to a 5% survival rate among witnessed OHCAs. Discussion: The bystander CPR rate in witnessed OHCA was 26%, which is below the average results of EuReCa One (48%) and significantly below the average results of EuReCa Two (58%). Conclusion: Despite limitations related to the retrospective design and lack of a national OHCA registry, bystander CPR in witnessed OHCA showed a significant positive impact on ROSC (p<0.001). Regional differences were observed, underscoring the need to implement ERC recommendations to increase bystander CPR rates nationwide
Descrição
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Bystander CPR OHCA ROSC
Contexto Educativo
Citação
Caldeira, P., Rabiais, I., Ladeira, L., & Alves, P. (2026). Out-of-hospital cardiac arrest in Portugal - a call for a registry project. Open Access Emergency Medicine, 18, 1-7. https://doi.org/10.2147/OAEM.S557330