• Christopher J Dudek, Ian Little, Kyle Wiser, Joseph Ibrahim, Jose Ramirez, and Linda Papa.
• Department of Pediatric Emergency Medicine, Arnold Palmer Hospital for Children, 86 West Underwood St. Suite 200, Orlando, Florida 32806. Electronic address: Chris@ChristopherDudek.com.
• Injury. 2021 Feb 1; 52 (2): 200-204.

BackgroundThromboelastography (TEG) point-of-care systems allow for analysis of the sum of platelet function, coagulation proteases and inhibitors, and the fibrinolytic system within 30 minutes. This allows a clinician to guide transfusion more precisely with an appropriate type of blood product. Literature has supported that TEG-guided resuscitation had lower mortality compared to standardized 1:1:1 (red blood cells (RBC), fresh-frozen plasma (FFP), and platelets) massive transfusion protocol (MTP) in penetrating trauma patients, but data has been sparse in examining the young trauma patient.MethodsThis was a cross-sectional chart review study performed with patients up to 30 years old seen in two level one trauma centers serving children with active bleeding resulting from trauma from January 1, 2010 to June 26, 2018. TEG use was evaluated in these patients.Results258 patients were included in the analysis. 112 (43%) had penetrating trauma and 225 (87%) had polytrauma. MTP was instituted in 176 (69%) patients and 88 (34%) patients who had TEG measured. There were significant correlations between PTT and alpha (r=-0.46; p<0.001), PTT and Kinetics (r=0.53; p<0.001), PTT and maximum amplitude (r=0.449; p<0.001). There were also significant correlations between PT and alpha (r=-0.29; p=0.008), and PT and maximum amplitude (r= -0.27; p=0.013). There was no significant correlation between TEG measures and INR. There were significant associations with requiring surgery within 24 hours 45% vs 61% (p=0.018), receiving TXA 20% vs 59% (p<0.001), and with receiving MTP 62% vs 83% (p=0.001), respectively.ConclusionsMeasurement of TEG was associated with patients receiving TXA, MTP and larger amounts of blood products. Components of TEG correlated with PT and PTT levels. Although there was no association with survival to hospital discharge, patients having TEG measured were more likely to undergo surgery within the first 24 hours of hospital arrival.Copyright © 2020 Elsevier Ltd. All rights reserved.

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