Application of Conventional X-Ray and DTS Imaging in the Process of Callus
Formation After Internal Fixation of Lower Limb Fracture
LI Fenga, LI Wenhuab
a. Department of Radiology; b. Department of Interventional Radiology, Medical Imaging Center, The First
Affiliated Hospital of Xinjiang Medical University, Urumqi Xinjiang 830054, China
Abstract：Objective To study the diagnostic value of conventional X ray and Digital tomosynthesis (DTS) imaging in the process
of callus formation after lower limb fracture fixation. Methods A total of 500 cases of lower limb fracture patients who underwent
fixation surgery in our hospital from May 2017 to May 2018 were examined by conventional X ray and X ray fault fusion imaging
at 1 and 6 months after operation, and the images were analyzed. The consistency of the image analysis results of two doctors was
evaluated. The detection rate of callus, image quality, radiation dose and diagnostic efficiency of two techniques were measured by
X-ray and X-ray tomography fusion imaging technique at 1 months after operation and 6 months after operation. Results The image
analysis results of two doctors were consistent. The detection rate of callus in 1 months after operation and 6 months after operation
was significantly higher than that of conventional X ray technique, with statistical difference (P<0.05). The 2 distribution rate of
image quality was significantly higher than that of X ray technique in 1 months and 6 months after the operation, and the distribution
rate of the image quality was significantly higher than that of the X ray technique. The rate of DTS imaging was significantly higher
than that of the X ray technique. The 0 sub distribution rate of the image quality was significantly lower than that of the X ray
technique. The difference was statistically significant (P<0.05). The radiation dose related parameters of the DTS imaging technique
were significantly lower than that of the conventional X ray (P<0.05), and the specificity, sensitivity and accuracy of the DTS
imaging technique were all obvious. Higher than X ray technique, there was statistical significance (P<0.05). Conclusion In the
diagnosis of healing of lower extremity fracture fixation, the DTS imaging technique can accurately check the callus condition of the
patients, and the radiation dose of the patients is low, which provides important value for the recovery and prognosis of the patients.
李峰a，李文化b. 常规X射线和DTS成像技术在下肢骨折内固定术后骨痂成型过程中的应用价值探究[J]. 中国医疗设备, 2019, 34(3): 82-86.
LI Fenga, LI Wenhuab. Application of Conventional X-Ray and DTS Imaging in the Process of Callus
Formation After Internal Fixation of Lower Limb Fracture. China Medical Devices, 2019, 34(3): 82-86.
