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• W1968427141 abstract "Recognition of trauma-induced coagulopathy by conventional coagulation testing (CCT) is limited by their slow results, incomplete characterization, and their poor predictive nature. Rapid thrombelastography (r-TEG) delivers a more comprehensive assessment of the coagulation system but has not been prospectively validated in trauma patients. The purpose of this pilot study was to evaluate the timeliness of r-TEG results, their correlation with CCTs, and the ability of r-TEG to predict early blood transfusion.Over a 5-month period, 583 consecutive major trauma activations were prospectively entered into a database, of which 272 met entry criteria. r-TEG and CCTs (prothrombin time, international normalized ratio, partial thromboplastin time, and platelet count) were obtained on all patients. Graphical results for r-TEG were displayed real time in the trauma bay. Spearman's correlation and regression models were used to compare r-TEG and CCTs.Early r-TEG values (activated clotting time [ACT], k-time, and r-value) were available within 5 minutes, late r-TEG values (maximal amplitude and α-angle) within 15 minutes, and CCTs within 48 minutes (p < 0.001). ACT, r-value, and k-time showed strong correlation with prothrombin time, international normalized ratio, and partial thromboplastin time (all r >0.70; p < 0.001), whereas maximal amplitude (r = -0.49) and α-angle (r = 0.40) correlated with platelet count (both p < 0.001). Linear regression demonstrated ACT predicted red blood cells (coef. 0.05; 95% confidence interval [CI], 0.04-0.06; p < 0.001), plasma (coef. 0.03; 95% CI, 0.02-0.04; p < 0.001), and platelet (coef. 0.06; 95% CI, 0.04-0.07; p < 0.001) transfusions within the first 2 hours of arrival. Controlling for all demographics and Emergency Department vitals, ACT >128 predicted massive transfusion (≥10 U) in the first 6 hours (odds ratio, 5.15; 95% CI, 1.36-19.49; p = 0.01). In addition, ACT <105 predicted patients who did not receive any transfusions in the first 24 hours (odds ratio, 2.80; CI, 1.02-7.07; p = 0.04).Graphical r-TEG results are available within minutes, correlate with conventional coagulation test that are not as rapidly available, and are predictive of early transfusions of packed red blood cells, plasma, and platelets." @default.
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• W1968427141 date "2011-08-01" @default.
• W1968427141 modified "2023-10-17" @default.
• W1968427141 title "Rapid Thrombelastography Delivers Real-Time Results That Predict Transfusion Within 1 Hour of Admission" @default.
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• W1968427141 doi "https://doi.org/10.1097/ta.0b013e31821e1bf0" @default.
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