Association of endotheliopathy with coagulofibrinolytic reactions and disseminated intravascular coagulation after trauma: a retrospective observational study

Abstract We carried out a retrospective observational investigation to explore the association of endotheliopathy with coagulofibrinolytic reactions and the progression of disseminated intravascular coagulation (DIC) in adult trauma patients. We measured syndecan-1 (SDC-1), an indicator of endotheliopathy, and biomarkers of coagulofibrinolysis in 100 trauma patients immediately transferred to Ehime University Hospital. We evaluated the correlations between the coagulofibrinolytic parameters and SDC-1. We also investigated the association between SDC-1 elevations and the development of DIC, and determined the discriminators of DIC development. The median SDC-1 concentration was 82.7 (43.5–178.1) ng/mL. DIC developed in 16 patients (16.0%), and SDC-1 concentrations were significantly higher in DIC patients than in non-DIC patients (218.8 [134.5–798.2] ng/mL vs. 67.2 [39.6–114.5] ng/mL, p 92.5 ng/mL was significantly correlated with DIC progression (odds ratio [OR], 31.67; 95%CI: 3.97–252.31, p = 0.001). Many coagulofibrinolytic parameters were significantly correlated with SDC-1. Estimating the discriminators of DIC development by the least absolute shrinkage and selection operator (LASSO) and elastic-net regression analysis identified markers of coagulofibrinolytic activation, such as thrombin-antithrombin complex (TAT) and tissue plasminogen activator (tPA). A multivariate logistic regression model using TAT, tPA, and SDC-1 demonstrated that TAT and tPA, but not SDC-1, were independent factors predicting the development of DIC (TAT per 10 µg/L: OR, 1.14, 95%CI: 1.05–1.24, p = 0.003; tPA per 100pg/mL: OR, 1.03, 95%CI: 1.01–1.05, p = 0.003; SDC-1 per 10ng/mL: OR, 1.00, 95%CI: 0.99–1.01, p = 0.973). Mediation analysis showed that SDC-1 elevation was predominantly associated with the development of DIC indirectly through the increase in TAT (proportion mediated = 96.1%, p