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The role of bystander CPR in out-ofhospital cardiac arrest: what the evidence tells us

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Summary:Out-of-hospital cardiac arrest (OHCA) is a global public health problem. Lay bystanders witness almost half of OHCA, so early recognition is critical to allow immediate initiation of cardiopulmonary resuscitation (CPR) by the bystander. The present investigation aims to analyze the most recent scientific evidence of the effect of bystander CPR on survival after an OHCA. A systematic literature reviewwas carried out at the “Web of Science,” “Scopus,” and “PubMed” databases, including publications from the last 20 years. After inclusion/exclusion criteria, 37 articles were identified. Results indicate that patients who receive CPR are more likely to survive than those who don’t, and CPR is associated with a good quality of life post-OHCA. Emphasis should be placed on practicing chest compressions only when the bystander has not mastered the artificial ventilation technique. Finding an AED is the first step to using it in an OHCA situation. Correct use of an AED by laypeople is associated with nearly double the survival rate after anOHCAwhen compared to standard CPR. It is important to promote CPRand AEDtraining to non-professionals, such as community residents and youth, as training is associated with higher success rates of effective CPR-AED. A mobile phone positioning systemto recruit trained laypeople or text message alerts to send citizen volunteers as well as assistance through a mobile app appear to have significant advantages in practicing effective CPR. The benefits of bystander CPR outweigh the risk of injury to victims, highlighting the need to disseminate training to laypeople.
Main Authors:Oliveira, Natália C.
Other Authors:Oliveira, Hugo; Silva, Thamires L. C.; Boné, Maria; Bonito, Jorge
Subject:Out-of-hospital cardiac arrest Cardiopulmonary resuscitation Bystander Survival
Year:2025
Country:Portugal
Document type:article
Access type:open access
Associated institution:Universidade de Évora
Language:English
Origin:Repositório Científico da Universidade de Évora

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