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Survival Rate And Outcome Following Traumatic Pre-Hospital Cardiac Arrest
*Dylan Tanzer, *Hannah Carroll, *Alan Guo, William J Flynn, Jr.
State University of New York at Buffalo, Buffalo, NY

Title Survival Rate and Outcome Following Traumatic Pre-hospital Cardiac Arrest Objective Not all trauma patients who sustain prehospital cardiac arrest die from their wounds. The effect of injury mechanism on survival and post hospital disposition remain incompletely described. This study was performed to determine the survival and post discharge disposition of patients who sustain a prehospital cardiac arrest from a traumatic mechanism.Methods Records of patients who sustained prehospital cardiac arrest from a traumatic mechanism during the preceding six years were retrospectively reviewed. Cardiac arrest was defined as CPR performed by first responders prior to hospital arrival. Patients who sustained an antecedent cardiac event were excluded from analysis. One hundred seventy six patients were identified and divided into penetrating vs. blunt mechanisms for analysis. Results One hundred fifty two patients (86.4%) died from their injuries according to the following timeline:

Mortality by Hospital Day
Hospital Day123
Blunt deaths33216
Penetrating deaths71101
daily death totals104316
% overall deaths68.420.43.9
Twenty four patients survived to discharge with the following disposition:
Outcome Data
% Survivor22.54.6

Conclusions The majority of patients who sustain prehospital cardiac arrest die from their injuries early in their hospital course. Blunt traumatic arrest does not preclude functional resuscitation. Survivors can be discharged with a reasonable expectation of recovery. Further work is needed to identify factors in the prehospital and resuscitative phases of care that contribute to early death.

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