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  • Title: Epidemiology of immediate and early trauma deaths at an urban Level I trauma center.
    Author: Peng R, Chang C, Gilmore D, Bongard F.
    Journal: Am Surg; 1998 Oct; 64(10):950-4. PubMed ID: 9764699.
    Abstract:
    The objective of this study is to identify and differentiate the injury patterns and causes of death among patients who died within the 1st hour and those in the period between 1 and 48 hours after hospital admission. Information was collected from the 1994 to 1996 trauma data base at an urban Level I trauma center. The records of 155 trauma patients who died within the 1st hour (immediate trauma death, ITD) and between 1 and 48 hours (early trauma death, ETD) were examined retrospectively. Total and constituent Injury Severity Score (ISS), Trauma Score (TS), and Glasgow Coma Score were analyzed. ITDs constituted 49 per cent of all deaths within 48 hours. Blunt mechanisms accounted for 37 per cent of ITDs and 40 per cent of ETDs (not significant), whereas penetrating trauma accounted for 59 per cent of ITDs and 56 per cent of ETDs (not significant). Exsanguination most commonly caused death among ITDs (54%) and head injury (51%) among ETDs (P < 0.01). Patients who died within the 1st hour had higher ISS (42.6 +/- 23.2, P < 0.03), lower TS (1.7 +/- 1.9, P < 0.0001), and lower Glasgow Coma Score (3.1 +/- 1.1, P < 0.0001) than those who died after the 1st hour. Patients with ITD had a significantly worse chest ISS than those with ETD (47.4 +/- 28.6 vs 19.0 +/- 19.1, P < 0.0001). We conclude that 1) ITD is caused primarily by exsanguination, whereas ETD is largely due to the sequelae of severe neurologic injury; 2) ITD has a significantly lower TS and higher ISS than ETD; and 3) thoracic injuries are more severe among patients with ITDs than among those with ETDs. The severity of thoracic injury among ITDs suggests that rapid surgical intervention is critical during the resuscitation of these severely injured patients.
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