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KMID : 0385920180290050430
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Journal of the Korean Society of Emergency Medicine
2018 Volume.29 No. 5 p.430 ~ p.436
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Initial D-dimer level as early prognostic tool in blunt trauma patients without significant brain injury
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Sohn Seok-Woo
Lee Jae-Baek
Jin Young-Ho
Jeong Tae-Oh
Jo Si-On
Lee Jeong-Moon
Yoon Jae-Chol
Kim So-Eun
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Abstract
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Objective: The purpose of this study was to evaluate whether or not the d-dimer level indicating hyperfibrinolysis could be a predictor of early poor outcome (massive transfusion, death within 24 hours) associated with trauma-induced coagulopathy in blunt trauma without significant brain injury.
Method: This study was a retrospective observational study using 516 blunt trauma patients without significant brain injury. The poor outcome group, including patients receiving massive transfusion and those who died within 24 hours, consisted of 33 patients (6.4%). The variables were compared between the poor outcome group and good outcome group, and logistic regression analysis was performed using statistically significant variables. Receiver operating characteristic (ROC) curve analysis was performed to evaluate the poor outcome prediction ability of the initial d-dimer level.
Results: The poor outcome group showed more serious anatomical, physiological, and laboratory data than the good outcome group. In the ROC curve analysis for evaluation of the poor outcome prediction of the d-dimer level, the area under the curve value was 0.87 (95% confidence interval [CI], 0.84-0.90) while the cut-off value was 27.35 mg/L. In the logistic regression analysis, the high d-dimer level was shown to be an independent predictor of poor outcome (adjusted odds ratio, 14.87; 95% CI, 2.96-74.67).
Conclusion: The high d-dimer level (>27.35 mg/L) can be used as a predictor for the poor outcome of patients with blunt trauma without significant brain injury.
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KEYWORD
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Multiple trauma, Blunt injury, D-dimer, Death, Blood transfusion
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