PURPOSE: Admission rapid thrombelastography (rTEG) is a "real-time" clinical tool used to evaluate trauma-induced coagulopathy and direct hemostatic resuscitation. The relationship of rTEG to conventional coagulation tests (CCT) and early lifesaving interventions (LSI) in pediatric trauma is unknown. METHODS: Severely injured patients (age ≤ 14 years) with an rTEG were retrospectively reviewed (8/1/2009-8/31/2011). Demographic and clinical information was collected. Spearman's correlation and regression models were used to evaluate rTEG with respect to CCT, early transfusion, LSI, and mortality. RESULTS: Eighty-six patients were identified. The median age was 8 years, and the median injury severity score (ISS) was 21. Activated clotting time (r=0.68), k-time (r=0.77), and α-angle (r=-0.75) showed strong correlation to PTT, and maximum amplitude (MA) (r=0.46) showed good correlation to platelet count (all p<0.001). When controlling for age, gender, and ISS, regression analysis showed that ACT, r-value, k-time, α-angle, and MA predicted red blood cell and plasma transfusion within 6h. MA (OR 0.82, 95% CI 0.70-0.96; p=0.018) was predictive of LSI. All rTEG values, except for LY30, predicted mortality. CONCLUSION: Admission rTEG correlates with CCT and predicts early transfusion, early LSI, and outcome in pediatric trauma. rTEG provides valuable data for goal-directed hemostatic resuscitation of critically injured children.
PURPOSE: Admission rapid thrombelastography (rTEG) is a "real-time" clinical tool used to evaluate trauma-induced coagulopathy and direct hemostatic resuscitation. The relationship of rTEG to conventional coagulation tests (CCT) and early lifesaving interventions (LSI) in pediatric trauma is unknown. METHODS: Severely injured patients (age ≤ 14 years) with an rTEG were retrospectively reviewed (8/1/2009-8/31/2011). Demographic and clinical information was collected. Spearman's correlation and regression models were used to evaluate rTEG with respect to CCT, early transfusion, LSI, and mortality. RESULTS: Eighty-six patients were identified. The median age was 8 years, and the median injury severity score (ISS) was 21. Activated clotting time (r=0.68), k-time (r=0.77), and α-angle (r=-0.75) showed strong correlation to PTT, and maximum amplitude (MA) (r=0.46) showed good correlation to platelet count (all p<0.001). When controlling for age, gender, and ISS, regression analysis showed that ACT, r-value, k-time, α-angle, and MA predicted red blood cell and plasma transfusion within 6h. MA (OR 0.82, 95% CI 0.70-0.96; p=0.018) was predictive of LSI. All rTEG values, except for LY30, predicted mortality. CONCLUSION: Admission rTEG correlates with CCT and predicts early transfusion, early LSI, and outcome in pediatric trauma. rTEG provides valuable data for goal-directed hemostatic resuscitation of critically injured children.
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