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The aim of this Letter to the Editor was to report some important biases in a recently published Article. We agreed with the notion by Yamamoto et al. that the effects of epinephrine regarding was limited without hemostasis, however, this study had major limitations such as no information on etiology of traumatic cardiac arrest (hemorrhagic or on non-hemorrhagic) and on hemostatic treatment. The results of this study should be interpreted with caution and further analysis is necessary. Finally, we commented on the necessity of future study regarding another vasopressor (ie; vasopressin) on traumatic cardiac arrest based on current evidence.
Aoki, M., & Abe, T. (2019). Comment on epinephrine during resuscitation of traumatic cardiac arrest and increased mortality: A post hoc analysis of prospective observational study. Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 27(1). https://doi.org/10.1186/s13049-019-0686-3