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Published in: BMC Emergency Medicine 1/2023

Open Access 01-12-2023 | Research

Traumatic cardiac arrest – a nationwide Danish study

Authors: Signe Amalie Wolthers, Theo Walther Jensen, Niklas Breindahl, Louise Milling, Stig Nikolaj Blomberg, Lars Bredevang Andersen, Søren Mikkelsen, Christian Torp-Pedersen, Helle Collatz Christensen

Published in: BMC Emergency Medicine | Issue 1/2023

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Abstract

Background

Cardiac arrest following trauma is a leading cause of death, mandating urgent treatment. This study aimed to investigate and compare the incidence, prognostic factors, and survival between patients suffering from traumatic cardiac arrest (TCA) and non-traumatic cardiac arrest (non-TCA).

Methods

This cohort study included all patients suffering from out-of-hospital cardiac arrest in Denmark between 2016 and 2021. TCAs were identified in the prehospital medical record and linked to the out-of-hospital cardiac arrest registry. Descriptive and multivariable analyses were performed with 30-day survival as the primary outcome.

Results

A total of 30,215 patients with out-of-hospital cardiac arrests were included. Among those, 984 (3.3%) were TCA. TCA patients were younger and predominantly male (77.5% vs 63.6%, p =  < 0.01) compared to non-TCA patients. Return of spontaneous circulation occurred in 27.3% of cases vs 32.3% in non-TCA patients, p < 0.01, and 30-day survival was 7.3% vs 14.2%, p < 0.01. An initial shockable rhythm was associated with increased survival (aOR = 11.45, 95% CI [6.24 – 21.24] in TCA patients. When comparing TCA with non-TCA other trauma and penetrating trauma were associated with lower survival (aOR: 0.2, 95% CI [0.02–0.54] and aOR: 0.1, 95% CI [0.03 – 0.31], respectively. Non-TCA was associated with an aOR: 3.47, 95% CI [2.53 – 4,91].

Conclusion

Survival from TCA is lower than in non-TCA. TCA has different predictors of outcome compared to non-TCA, illustrating the differences regarding the aetiologies of cardiac arrest. Presenting with an initial shockable cardiac rhythm might be associated with a favourable outcome in TCA.
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Literature
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go back to reference Jun GS, Kim JG, Choi HY, Kang GH, Kim W, Jang YS, et al. Prognostic factors related with outcomes in traumatic out-of-hospital cardiac arrest patients without prehospital return of spontaneous circulation: A nationwide observational study. Clin Exp Emerg Med 2020;7:14–20. https://doi.org/10.15441/ceem.19.057. Jun GS, Kim JG, Choi HY, Kang GH, Kim W, Jang YS, et al. Prognostic factors related with outcomes in traumatic out-of-hospital cardiac arrest patients without prehospital return of spontaneous circulation: A nationwide observational study. Clin Exp Emerg Med 2020;7:14–20. https://​doi.​org/​10.​15441/​ceem.​19.​057.
Metadata
Title
Traumatic cardiac arrest – a nationwide Danish study
Authors
Signe Amalie Wolthers
Theo Walther Jensen
Niklas Breindahl
Louise Milling
Stig Nikolaj Blomberg
Lars Bredevang Andersen
Søren Mikkelsen
Christian Torp-Pedersen
Helle Collatz Christensen
Publication date
01-12-2023
Publisher
BioMed Central
Published in
BMC Emergency Medicine / Issue 1/2023
Electronic ISSN: 1471-227X
DOI
https://doi.org/10.1186/s12873-023-00839-1

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