The Value of Parameters of CT Bone Imaging in the Diagnosis of Posterior Ligamentous Complex Injury in Thoracolumbar Fracture and the Analysis of Risk Factors

doi:10.7517/issn.1674-0475.201202

Abstract

Abstract: A total of 380 patients with thoracolumbar fracture were selected as the research objects, which were 168 patients with thoracolumbar fractures and posterior ligamentous complex (PLC) injuries as the observation group, and 212 patients without PLC injuries a the control group. Through statistical comparison, it was found that the load-sharing classification system (LCS) score, thoracolumbar injury classification and severity (TLICS) score, Cobb angle, SIEA, LK, and IISD were significantly different between the two groups (P<0.05). The sensitivity of the diagnosis of PLC injury in thoracolumbar fractures through the combination of CT bone imaging parameters was 72.41% and the specificity was 87.33%. The SIEA, LK and IISD of patients with poor prognosis before and 3 days after operation were higher than those with good prognosis (P<0.05). The AUC of SIEA, 589 LK, and IISD 3 days after surgery were higher than those of preoperatively, and the AUC of combined prediction of PLC injury in thoracolumbar fractures was the highest, which was 0.869. The best sensitivity and specificity were 72.62% and 87.26%, respectively. Therefore, it can be considered that SIEA, LK, and IISD are the risk factors for PLC injury of thoracolumbar fractures, and the combination of the three can provide references for clinical diagnosis of PLC injury of thoracolumbar fractures and prediction of prognosis.

Key words: thoracolumbar fracture, posterior ligamentous complex injury, CT bone imaging, SIEA, LK, IISD, risk factors, prognosis

ZHU Siguang, SUN Tao. The Value of Parameters of CT Bone Imaging in the Diagnosis of Posterior Ligamentous Complex Injury in Thoracolumbar Fracture and the Analysis of Risk Factors[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2021, 39(4): 589-594.

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