International Journal of Cardiovascular Sciences. 19/fev/2025;38:e20240036.

Retrospective Analysis of 2.154 Cardiopulmonary Arrest Assistance Provided by a Mobile Emergency Service From 2018-2022

Roseana Boek Carvalho ORCID logo , Rodrigo Pereira de Almeida ORCID logo , Bruna Marmett ORCID logo , Liliane Appratto de Souza ORCID logo , Fabiano Barrionuevo, Fernanda Donner Alves

DOI: 10.36660/ijcs.20240036

Este Artigo Original é referido pelo Editorial "Rescuing Lives: Reflecting on the Future of Cardiopulmonary Arrest Care".

Abstract

Background

It is estimated that 1 in 10 patients will survive a cardiopulmonary arrest (CPA), with half of them occurring in an out-of-hospital setting. Mobile pre-hospital care services aim to reduce morbidity and mortality resulting from CPA.

Objective

To analyze five years of data regarding response time for assistance, mortality, and characteristics of victims of out-of-hospital CPA cases treated by a public mobile emergency service in Southern Brazil.

Methods

Data collected between 2018 and 2022 included the number of CPA cases, victim profile (age and sex), and details of each incident (day of the week, month, shift, city area, time elapsed before initiating basic life support [BLS], and mortality prior to arrival at the referral hospital). Pearson’s Chi-square and Mann-Whitney U tests were used with a significance level of 5%.

Results

The victims’ profile was mostly elderly (60%) and men (55.9%). The mortality rate from CPA was 87.3%, with over half of the cases (51.11%) requiring more than 15 minutes to initiate assistance. A longer response time was significantly associated with higher CPA mortality rates (p < 0.05).

Conclusion

The data showed a profile of victims that was mostly male and elderly. In more than half of the cases, BLS initiation took over 15 minutes, a delay that was linked to the high mortality rate of CPA, highlighting the association between mortality and time to assistance.

Retrospective Analysis of 2.154 Cardiopulmonary Arrest Assistance Provided by a Mobile Emergency Service From 2018-2022

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