LI Yuwei , WANG Haijiao , CUI Wei , ZHOU Peng , LI Cheng , XIAO Wei , HU Bingtao , LI Fan
  • Department of Spine Surgery, Luohe Central Hospital, Luohe Henan, 462000, P.R.China;
LI Yuwei, Email: 460910316@qq.com
Percutaneous vertebroplasty; osteoporotic vertebral compression fracture; bone cement
10.7507/1002-1892.201811063
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Objective  To evaluate the effectiveness of percutaneous vertebroplasty (PVP) in the treatment of osteoporotic vertebral compression fracture (OVCF) through unilateral puncture of extreme extrapedicular approach and bilateral injection of bone cement. Methods  The clinical data of 156 patients with OVCF who met the selection criteria between January 2014 and January 2016 were retrospectively analyzed. All patients were treated with PVP through unilateral puncture. According to different puncture methods, the patients were divided into two groups. In group A, 72 cases were performed PVP through the unilateral puncture of extreme extrapedicular approach and bilateral injection of bone cement, while in group B, 84 cases were performed PVP through the unilateral puncture of transpedicular approach. There was no significant difference in general data of gender, age, weight, bone mineral density, lesion segment, and disease duration between the two groups (P>0.05). The radiation exposure time, operation time, volume of bone cement injection, rate of bone cement leakage, pre- and post-operative visual analogue scale (VAS) score and local Cobb angle were recorded and compared between the two groups. Results  There was no significant difference in radiation exposure time and operation time between the two groups (P>0.05), but the volume of bone cement injection in group A was significantly more than that in group B (t=20.024, P=0.000). Patients in both groups were followed up 24-32 months (mean, 26.7 months). There were 9 cases (12.5%) and 10 cases (11.9%) of cement leakage in group A and B, respectively. There was no significant difference in the incidence (χ2=0.013, P=0.910). No neurological symptoms and discomfort was found in the two groups. The VAS scores of the two groups were significantly improved after operation (P<0.05). There was no significant difference in local Cobb angle between before and after operation in group A (P>0.05); but the significant difference was found in local Cobb angle between at 2 years after operation and other time points in group B (P<0.05). The VAS score and local Cobb angle in group A were significantly better than those in group B at 2 years after operation (P<0.05). Conclusion  It is simple, safe, and feasible to use the unilateral puncture of extreme extrapedicular approach and bilateral injection of bone cement to treat OVCF. Compared with the transpedicular approach, the bone cement can be distributed bilaterally in the vertebral body without prolonging the operation time and radiation exposure time, and has an advantage of decreasing long-term local Cobb angle losing of the fractured vertebrae.

Citation： LI Yuwei, WANG Haijiao, CUI Wei, ZHOU Peng, LI Cheng, XIAO Wei, HU Bingtao, LI Fan. Clinical study of percutaneous vertebroplasty through extreme extrapedicular approach in the treatment of osteoporotic vertebral compression fracture. Chinese Journal of Reparative and Reconstructive Surgery, 2019, 33(5): 612-617. doi: 10.7507/1002-1892.201811063 Copy

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