• Hossein Alimohammadi, Yalda Kianian, Farahnaz Bidari Zerepoosh, Hojjat Derakhshanfar, Mostafa Alavi-Moghadam, Hamid Reza Hatamabadi, and Seyed-Mostafa Hosseini-Zijoud.
• Department of Emergency Medicine, Shahid Beheshti University of Medical Sciences, Varamin, Iran.
• Int J Crit Illn Inj Sci. 2017 Oct 1; 7 (4): 248-251.

ObjectivePrediction of blood transfusion requirement in trauma patients is a dilemma in most trauma centers. The aim of the current study was assessing the accuracy of emergency transfusion score (ETS) in detecting patients' need for blood transfusion in ED.MethodsIn this cross-sectional study, all multiple trauma patients referred to the emergency department (ED) of Imam Hossein Hospital, Tehran, Iran, from March to August 2014, were enrolled. ETS parameters including low blood pressure, free fluid on ultrasound, clinical instability of the pelvic ring, age, admission from the scene, and trauma mechanism were recorded for all patients. ETS was calculated for all patients and compared with patients who received blood transfusion to estimate the accuracy of ETS.ResultsOf the 793 patients included in the study, 54 (6%) received blood in the ED. The mean of ETS for all patients was 3.91 ± 0.93. There was a significant correlation between ETS more than 3 and amount of blood transfusion (P = 0.004). The sensitivity, specificity, positive, and negative predictive value of ETS was 98.1%, 13.8%, 7.7%, and 99%, respectively.ConclusionETS may be considered as a useful instrument for prioritizing multiple trauma patients' need for blood transfusion in Iran. Therefore, by implementing this score, it may be prevented from inappropriate requests for blood transfusion.

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