• Peptides · Aug 2014

    Clinical Trial Observational Study

    Plasma copeptin level predicts acute traumatic coagulopathy and progressive hemorrhagic injury after traumatic brain injury.

    • Ding-Bo Yang, Wen-Hua Yu, Xiao-Qiao Dong, Quan Du, Yong-Feng Shen, Zu-Yong Zhang, Qiang Zhu, Zhi-Hao Che, Qun-Jie Liu, Hao Wang, Li Jiang, and Yuan-Feng Du.
    • Department of Neurosurgery, The Hangzhou First People's Hospital, Nanjing Medical University Affiliated Hangzhou Hospital, 261 Huansha Road, Hangzhou 310006, China.
    • Peptides. 2014 Aug 1;58:26-9.

    AbstractHigher plasma copeptin levels correlate with poor clinical outcomes after traumatic brain injury. Nevertheless, their links with acute traumatic coagulopathy and progressive hemorrhagic injury are unknown. Therefore, we aimed to investigate the relationship between plasma copeptin levels, acute traumatic coagulopathy and progressive hemorrhagic injury in patients with severe traumatic brain injury. We prospectively studied 100 consecutive patients presenting within 6h from head trauma. Progressive hemorrhagic injury was present when the follow-up computerized tomography scan reported any increase in size or number of the hemorrhagic lesion, including newly developed ones. Acute traumatic coagulopathy was defined as an activated partial thromboplastic time greater than 40s and/or international normalized ratio greater than 1.2 and/or a platelet count less than 120×10(9)/L. We measured plasma copeptin levels on admission using an enzyme-linked immunosorbent assay in a blinded fashion. In multivariate logistic regression analysis, plasma copeptin level emerged as an independent predictor of progressive hemorrhagic injury and acute traumatic coagulopathy. Using receiver operating characteristic curves, we calculated areas under the curve for progressive hemorrhagic injury and acute traumatic coagulopathy. The predictive performance of copeptin was similar to that of Glasgow Coma Scale score. However, copeptin did not obviously improve the predictive value of Glasgow Coma Scale score. Thus, copeptin may help in the prediction of progressive hemorrhagic injury and acute traumatic coagulopathy after traumatic brain injury.Copyright © 2014 Elsevier Inc. All rights reserved.

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