• Tomer Talmy, Ithamar Greenstein, Sami Gendler, David Chayen, Irina Radomislensky, Alon Ahimor, Tomer Koler, Elon Glassberg, and Ofer Almog.
• Israel Defense Forces Medical Corps, Surgeon General's, Headquarters, Israel Defense Forces, Ramat Gan, Israel.
• Prehosp Emerg Care. 2024 Jan 1; 28 (3): 438447438-447.

BackgroundPrehospital traumatic cardiac arrest (TCA) is associated with a poor prognosis and requires urgent interventions to address its potentially reversible causes. Resuscitative efforts of TCA in the prehospital setting may entail significant resource allocation and impose added tolls on caregivers. The Israel Defense Forces Medical Corps (IDF-MC) instructs clinicians to perform a set protocol in the case of TCA, providing prompt oxygenation, chest decompression and volume resuscitation. This study investigates the settings, interventions, and outcomes of TCA resuscitation by IDF-MC teams over 25 years in both combat and civilian settings.MethodsRetrospective study of the IDF-MC Trauma Registry between 1997-2022. Search criteria were applied to identify cases where the TCA protocol was initiated. A manual review of cases matching the search criteria was performed by two curators to determine the indications, interventions, and outcomes of casualties with prehospital TCA. Patients for whom interventions were performed outside of the TCA protocol, such as with measurable vital signs, were excluded. The primary outcome was survival to hospital admission, with the secondary outcome being return of vital signs in the prehospital setting.ResultsFollowing case review, 149 patients with prehospital TCA were included, with a median age of 21 (interquartile range 19-27). Eighty-four (56.4%) presented with TCA in military or combat settings, with gunshot wounds and blast injuries being the most common mechanisms in this group. For 56 casualties (37.8%), all components of the protocol were performed (oxygenation, chest decompression, and volume resuscitation). Five (3.4%) casualties had return of vital signs in the prehospital setting, but none survived to hospital admission.ConclusionThe prognosis of prehospital TCA is poor, and efforts to address its potentially reversible causes may often be futile. These notions may be further emphasized in military settings, where resources are limited, and extensive penetrating injuries are more common.

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