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Observational Study
. 2016 Aug;81(2):285-93.
doi: 10.1097/TA.0000000000001070.

Prehospital traumatic cardiac arrest: Management and outcomes from the resuscitation outcomes consortium epistry-trauma and PROPHET registries

Christopher C D Evans  1 , Ashley Petersen, Eric N Meier, Jason E Buick, Martin Schreiber, Delores Kannas, Michael A Austin; Resuscitation Outcomes Consortium Investigators
Affiliations
Observational Study

Prehospital traumatic cardiac arrest: Management and outcomes from the resuscitation outcomes consortium epistry-trauma and PROPHET registries

Christopher C D Evans et al. J Trauma Acute Care Surg. 2016 Aug.

Abstract

Background: Traumatic arrests have historically had poor survival rates. Identifying salvageable patients and ideal management is challenging. We aimed to (1) describe the management and outcomes of prehospital traumatic arrests; (2) determine regional variation in survival; and (3) identify Advanced Life Support (ALS) procedures associated with survival.

Methods: This was a secondary analysis of cases from the Resuscitation Outcomes Consortium Epistry-Trauma and Prospective Observational Prehospital and Hospital Registry for Trauma (PROPHET) registries. Patients were included if they had a blunt or penetrating injury and received cardiopulmonary resuscitation. Logistic regression analyses were used to determine the association between ALS procedures and survival.

Results: We included 2,300 patients who were predominately young (Epistry mean [SD], 39 [20] years; PROPHET mean [SD], 40 [19] years), males (79%), injured by blunt trauma (Epistry, 68%; PROPHET, 67%), and treated by ALS paramedics (Epistry, 93%; PROPHET, 98%). A total of 145 patients (6.3%) survived to hospital discharge. More patients with blunt (Epistry, 8.3%; PROPHET, 6.5%) vs. penetrating injuries (Epistry, 4.6%; PROPHET, 2.7%) survived. Most survivors (81%) had vitals on emergency medical services arrival. Rates of survival varied significantly between the 12 study sites (p = 0.048) in the Epistry but not PROPHET (p = 0.14) registries.Patients in the PROPHET registry who received a supraglottic airway insertion or intubation experienced decreased odds of survival (adjusted OR, 0.27; 95% confidence interval, 0.08-0.93; and 0.37; 95% confidence interval, 0.17-0.78, respectively) compared to those receiving bag-mask ventilation. No other procedures were associated with survival.

Conclusions: Survival from traumatic arrest may be higher than expected, particularly in blunt trauma and patients with vitals on emergency medical services arrival. Although limited by confounding and statistical power, no ALS procedures were associated with increased odds of survival.

Level of evidence: Prognostic study, level IV.

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Conflict of interest statement

Conflicts of Interest: None of the authors have any conflicts to declare.

Figures

Figure 1
Figure 1
Study population.
Figure 2
Figure 2
The percentage (with 95% confidence intervals) of cardiac arrest patients surviving to hospital discharge by site and data registry. Enrollment numbers for Epistry-Trauma (top number) and PROPHET (bottom number) are given for each site.
See this image and copyright information in PMC

References

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