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Cortical Bone Trajectory Instrumentation with Vertebroplasty for Osteoporotic Thoracolumbar Compression Fracture

Department of Neurosurgery, China Medical University Hospital, Taichung 404, Taiwan
Department of Neurosurgery, Tainan Municipal An-Nan Hospital-China Medical University, Tainan 709, Taiwan
Author to whom correspondence should be addressed.
Medicina 2020, 56(2), 82;
Received: 13 January 2020 / Revised: 12 February 2020 / Accepted: 13 February 2020 / Published: 17 February 2020
Background: Osteoporotic spinal fractures commonly occur in elderly patients with low bone mineral density. In these cases, percutaneous vertebroplasty or percutaneous kyphoplasty can provide significant pain relief and improve mobility. However, studies have reported both the recurrence of vertebral compression fractures at the index level after vertebroplasty and the development of new vertebral fractures at the adjacent level that occur without any additional trauma. Pedicle screw fixation combined with percutaneous vertebroplasty has been proposed as an effective procedure for addressing osteoporotic thoracolumbar fractures. However, in osteoporotic populations, pedicle screws can loosen, pullout, or migrate. Currently, the efficacy of cortical bone trajectory screw fixation for osteoporotic fractures remains unclear. Thus, we assessed the effects of using cortical bone trajectory instrumentation with vertebroplasty on patient outcomes. Method: We retrospectively reviewed data from 12 consecutively sampled osteoporotic thoracolumbar fracture patients who underwent cortical bone trajectory instrumentation with vertebroplasty. Patients were enrolled beginning in October 2015 and were followed for >24 months. Result: The average age was 74 years, and the average dual-energy x-ray absorptiometry T-score was −3.6. The average visual analog scale pain scores improved from 8 to 2.5 after surgery. The average blood loss was 36.25 mL. All patients regained ambulation and experienced reduced pain post-surgery. No recurrent fractures or instrument failures were recorded during follow-up. Conclusions: Our findings suggest that cortical bone trajectory instrumentation combined with percutaneous vertebroplasty may be a good option for treating osteoporotic thoracolumbar fractures, as it can prevent recurrent vertebral fractures or related kyphosis in sagittal alignment. View Full-Text
Keywords: cortical bone trajectory; osteoporosis; vertebral compression fracture; vertebroplasty cortical bone trajectory; osteoporosis; vertebral compression fracture; vertebroplasty
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Hsu, W.-L.; Lin, Y.-H.; Chuang, H.-Y.; Lee, H.-C.; Chen, D.-C.; Chu, Y.-T.; Cho, D.-Y.; Chen, C.-H. Cortical Bone Trajectory Instrumentation with Vertebroplasty for Osteoporotic Thoracolumbar Compression Fracture. Medicina 2020, 56, 82.

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