基于磁共振多b值弥散加权成像对严重胸外伤预后的预测

目的:探讨基于磁共振(Magnetic Resonance Imaging,MRI)多b值弥散加权成像(Diffusion Weighted Imaging,DWI)对严重胸外伤预后的预测价值.方法:2018年2月-2020年6月选择在本院诊治的严重胸外伤患者76例(开放性损伤38例,闭合性损伤38例),所有患者都给予...

Prediction of the Prognosis of Severe Thoracic Trauma Based on MRI Multi-b-value Diffusion-weighted Imaging

ABSTRACT Objective: To explore the prognostic values of multi-b-value Diffusion Weighted Imaging (DWI) based on Magnetic Resonance Imaging (MRI) for the prognosis of severe chest trauma. Methods: From February 2018 to June 2020, 76 cases of patients with severe chest trauma (38 cases of open injury and 38 cases of closed injury) were selected for diagnosis and treatment. All patients were given conventional MRI scans and multi-b value DWI scans, Recorded the imaging quality and characteristics, and judged the predictive values. Results: All patients were examined within 3 days after thoracic trauma. The excellent and good rates of MRI images of patients with open injury and closed injury were 100.0 %, which met the diagnostic requirements. The multi-b value DWI D* value and f value of patients with open injury were significantly higher than those with closed injury, while the D value was significantly lower than that of patients with closed injury, and compared the difference were statistically significant (P<0.05). In the 76 patients, pathologically judged as the posterior thoracic ligament complex in 38 cases of grade 1 injury, 30 cases of grade 2 injury, and 8 cases of grade 3 injury; MRI diagnosed 39 cases of grade 1 injury, 31 cases of grade 2 injury, and 6 cases of grade 3 injury, and the accuracy of MRI diagnosis were 93.4 %. Conclusion: Based on MRI multi-b value DWI can clearly show the tissue damage of severe thoracic trauma, it can also truly reflect the characteristics of tissue microenvironment changes, and can effectively predict the damage of the posterior ligament complex.