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. 2010 May 13:18:26.
doi: 10.1186/1757-7241-18-26.

Polytrauma in the elderly: predictors of the cause and time of death

Nicholas D Clement  1 , Carole Tennant, Cyrus Muwanga
Affiliations

Polytrauma in the elderly: predictors of the cause and time of death

Nicholas D Clement et al. Scand J Trauma Resusc Emerg Med. .

Abstract

Background: Increasing age and significant pre-existing medical conditions (PMCs) are independent risk factors associated with increased mortality after trauma. Our aim was to review all trauma deaths, identifying the cause and the relation to time from injury, ISS, age and PMCs.

Methods: A retrospective analysis of trauma deaths over a 6-year period at the study centre was conducted. Information was obtained from the Trauma Audit and Research Network (TARN) dataset, hospital records, death certificates and post-mortem reports. The time and cause of death, ISS, PMCs were analysed for two age groups (<65 years and >or= 65 years).

Results: Patients >or= 65 years old were at an increased risk of death (OR 6.4, 95% CI 5.2-7.8, p < 0.001). Thirty-two patients with an ISS of >15 and died within the first 24 hours of admission, irrespective of age, from causes directly related to their injuries. Twelve patients with an ISS of <16, died after 13 days of medical conditions not directly related to their injuries (p = 0.01). Thirty four patients had significant PMCs, of which 11 were <65 years (34.4% of that age group) and 23 were >or= 65 years (95.8% of that age group) (p = 0.02). The risk of dying late after sustaining minor trauma (ISS <16) is increased if a PMC exists (OR 5.5, p = 0.004).

Conclusion: Elderly patients with minor injuries and PMCs have an increased risk of death relative to their younger counterparts and are more likely to die of medical complications late in their hospital admission.

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Figures

Figure 1
Figure 1
Flow diagram for the 56 deaths divided according to age, time from injury and ISS (% for age group).
Figure 2
Figure 2
Pattern of mortality in relation to age and time from admission.
Figure 3
Figure 3
Deaths of patients <65 and ≥ 65 years of age in relation to time from admission.
See this image and copyright information in PMC

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