There was no significant difference between the anterior vertebral height, kyphotic angle, and wedge angle of the vertebral body obtained 1 day after surgery and those obtained at the last follow-up. VAS scores, ODI scores, anterior vertebral height, kyphotic angle, and wedge angle of the injured vertebrae significantly improved after surgery. No obvious displacement of bone cement was found in the imaging data obtained 1 day after the operation and at the last follow-up. Results: All the patients successfully underwent the procedure without serious complications. Clinical efficacy, vertebral height recovery, and bone cement displacement were analyzed in combination using plain radiographs, computed tomography, magnetic resonance imaging, and other imaging data. Visual analog scale (VAS) scores, Oswestry disability index (ODI), anterior vertebral height, kyphotic angle, and wedge angle were recorded before surgery, 1 day after surgery, and at the last follow-up. The average follow-up duration was 19.3 ± 8.0 months (range: 12–38 months). There were 10 men and 31 women with an average age of 76.5 ± 8.0 years (range: 55–92 years). Methods: From January 2016 to January 2019, 41 patients with KD treated using the bilateral pedicle anchoring technique with PVP in our hospital were enrolled. This study reports the mid- and long-term follow-up of the clinical and radiological outcomes of the bilateral pedicle anchoring technique with PVP for the treatment of KD. However, there are few reports on the use of this technique to treat KD. Theoretically, the bilateral pedicle anchoring technique can enhance the stability of the bone cement in the vertebral body and reduce the occurrence of long-term bone cement displacement. Previous reports indicate that in patients who undergo PVP for KD, bone cement may be displaced, causing pain recurrence, or it may enter the spinal canal and cause spinal cord compression, especially in the long term. With the development of minimally invasive orthopedic techniques, PVP has been widely recognized for its advantages, such as less surgical trauma, shorter operation time, less blood loss, quick recovery, and pain relief. Summary of background data: The optimal treatment regimen for KD remains controversial. Objective: To investigate the clinical efficacy and long-term stability of bone cement of the bilateral pedicle anchoring technique with percutaneous vertebroplasty (PVP) in the treatment of Kümmell's disease (KD). Study design: Retrospective study of clinical and radiological parameters. 3Department of Radiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.2Department of Bone and Soft Tissue Oncology, Chongqing University Cancer Hospital, Chongqing, China.1Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.Shichang Dai 1 Yu Du 1* Liang Chen 2 Yifan Xu 1 Qiong Hu 3
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