Coagulation parameters correlate to venous thromboembolism occurrence during the perioperative period in patients with spinal fractures

BackgroundVenous thromboembolism (VTE) is one of the leading causes of mortality in hospitalized patients. However, whether the coagulation-related parameters of the hospitalized patients could be used to predict the occurrence of VTE in patients with spinal injury surgery remained unclear.MethodThe patients with spinal fractures who met the inclusion and exclusion criteria were enrolled to be analyzed using a retrospective analysis approach. The association of risk factors of enrolled patients and operations to VTE occurrence were analyzed. The activated partial thromboplastin time, prothrombin time, thrombin time, D-dimer (D-D), fibrinogen (FIB) and fibrinogen degradation products (FDP) were detected. ROC and HR analysis were applied to evaluate the correlation of coagulation-related parameters and other parameters to VTE occurrence.ResultThe indicators of D-D, FIB and FDP were significantly elevated in VTE patients compared to non-VTE patients. The multivariate analysis of OR showed that six risk factors, including age >= 60, spinal cord injury, postoperative bedtime over 5 days, plasma D-dimer >= 0.54 mg/L, plasma fibrinogen >= 3.75 g/L and plasma FDP >= 5.19 mg/L, were positively correlated to VTE.ConclusionThe six risk factors, including D-D, FIB, FDP, age >= 60, spinal cord injury, and postoperative bedtime over 5 days, could be used to predict the occurrence of VTE.