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Pre-hospital mortality among pediatric trauma patients in Nova Scotia

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Abstract

Objectives

Limited data exist on pre-hospital pediatric trauma mortality in Canada. The Nova Scotia Trauma Registry is a provincial population-based registry that captures data from the Medical Examiner Service. This study examined the characteristics of pediatric trauma patient mortality in the pre-hospital and in-hospital settings.

Methods

We conducted a cohort study of major pediatric traumas recorded in our provincial database from April 1, 2001 to March 31, 2018. Characteristics of pre-hospital and in-hospital deaths were compared with t tests and Chi-square analyses. Multivariate regression modeling was used to identify predictors of pre-hospital mortality. The geographic distribution of pre-hospital trauma was assessed using choropleth maps.

Results

We identified 1,258 pediatric traumas, resulting in 217 deaths (137 pre-hospital, 80 in-hospital). Males accounted for 62.7% of fatalities. The 15–17 age group accounted for most deaths in both groups (pre-hospital 61.3%; in-hospital 41.3%). Injuries sustained in rural areas resulted in 74.7% of all deaths. For both groups, blunt trauma was the predominant injury type and motor vehicle collisions, the most prevalent injury mechanism. Patients who died pre-hospital had a higher mean age (13.3 vs. 10.7, p = 0.002) and a greater proportion were intentional injuries (23.4% vs. 15%; p = 0.02). Urban residency was more frequently observed in in-hospital deaths (57.5% vs. 36.5%, p < 0.001). Pre-hospital mortality was associated with increasing age (OR 1.1), higher injury severity score (OR 1.1), and intentional injury (OR 15.6).

Conclusion

Over 10% of major pediatric traumas resulted in pre-hospital death, primarily from motor vehicle collisions in rural areas. Compared to in-hospital mortality, patients who died pre-hospital were older with more severe injuries and more likely to have intentionally injured themselves. These results underscore the importance for emergency physicians and EMS systems to consider geographic factors and injury patterns, advocate for improved injury prevention programs, mental health supports, and delivery of on-scene critical care services.

Résumé

Objectifs

Il existe peu de données sur la mortalité liée aux traumatismes pédiatriques pré-hospitaliers au Canada. La Nouvelle-Écosse. Le registre des traumatismes est un registre provincial fondé sur la population qui saisit les données du Medical Examiner Service. Cette étude a examiné les caractéristiques des traumatismes pédiatriques la mortalité des patients en milieu pré-hospitalier et hospitalier.

Méthodes

Nous avons mené une étude de cohorte des traumatismes pédiatriques majeurs enregistrés dans notre province base de données du 1er avril 2001 au 31 mars 2018. Caractéristiques des services pré-hospitaliers et les décès hospitaliers ont été comparés aux tests-t et aux analyses du chi carré. La modélisation multivariée de régression a été utilisée pour identifier les prédicteurs de la mortalité pré-hospitalière. La répartition géographique des traumatismes pré-hospitaliers a été évaluée à l’aide de cartes choroplèthes.

Résultats

Nous avons identifié 1258 traumatismes pédiatriques, entraînant 217 décès (137 pré-hospitaliers, 80 hospitalier les hommes représentaient 62,7% des décès. Le groupe des 15 à 17 ans représentait la plupart des décès dans les deux groupes (avant l’hôpital 61,3%; à l’hôpital 41,3%). Blessures subies dans les régions rurales ont entraîné 74,7% de tous les décès. Pour les deux groupes, le traumatisme contondant était le type de blessure prédominant et les collisions de véhicules à moteur, les blessures les plus fréquentes. Les patients décédés avant l’hospitalisation avaient un âge moyen plus élevé (13,3 vs 10,7, p = 0,002) et une plus grande proportion étaient des blessures intentionnelles (23,4% contre 15%; p = 0,02). La résidence en milieu urbain était plus fréquemment observée dans les décès à l’hôpital (57,5% contre 36,5%, p < 0.001). La mortalité pré-hospitalière était associée à une augmentation de l’âge (CP 1.1) le score de gravité des blessures (CP 1.1) et les blessures intentionnelles (CP 15.6).

Conclusions

Plus de 10% des traumatismes pédiatriques majeurs ont entraîné un décès avant l’hôpital, principalement à cause de troubles moteurs les collisions de véhicules dans les régions rurales. Comparativement à la mortalité à l’hôpital, les patients qui sont décédés avant. les établissements de soins palliatifs étaient plus âgés et plus susceptibles d’avoir intentionnellement subi des blessures plus graves. Ces résultats soulignent l’importance pour les médecins d’urgence et les systèmes de SMU pour tenir compte des facteurs géographiques et des tendances en matière de blessures, préconiser amélioration des programmes de prévention des blessures, du soutien en santé mentale et de la prestation sur place services de soins intensifs.

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Acknowledgements

The authors thank Karen Ssebazza (Nova Scotia Trauma Registry Coordinator) for assisting with data collection. Data used in this research were made available by the Nova Scotia Department of Health and Wellness and the Nova Scotia Medical Examiner Service. Any opinions expressed by the authors do not necessarily reflect the opinion of the Nova Scotia Department of Health and Wellness or the Nova Scotia Health Trauma Program.

Funding

No funding was obtained nor required for completion of this study.

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Authors

Contributions

This study was conceived and designed by R.K., A.S., M.E., R.G., and J.E. Data analysis was performed by M.E. and N.K. All authors contributed to interpretation of the results. The manuscript was drafted by R.K. All authors were involved in critically reviewing the manuscript, provided final approval of the version submitted for publication, and have agreed to be accountable for all aspects of the work presented in the manuscript.

Corresponding author

Correspondence to Jason G. Emsley.

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Ethics approval

Ethics approval was obtained from the Nova Scotia Health Research Ethics Board (File #1026701).

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Waiver of consent was granted by the Nova Scotia Health Research Ethics Board.

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Waiver of consent was granted by the Nova Scotia Health Research Ethics Board.

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Kinden, R.H., Sadoway, A., Erdogan, M. et al. Pre-hospital mortality among pediatric trauma patients in Nova Scotia. Can J Emerg Med 26, 166–173 (2024). https://doi.org/10.1007/s43678-023-00636-6

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