Application of Single side open bone cement injection device in the operation of percutaneous vertebral plasty
XUE Hou-jun, PAN Lei, HUANG Bi-liu, LIU Qing-hua, CHEN Wei-xiong, LI Jie, WANG Shi-cheng
Chinese Journal of Clinical Anatomy ›› 2016, Vol. 34 ›› Issue (4) : 464-468.
Application of Single side open bone cement injection device in the operation of percutaneous vertebral plasty
Objective To investigate clinical application of a unilateral opening bone cement injection device in percutaneous vertebral plasty(PVP). Methods Using a unilateral opening bone cement injection device, channels were established by the side of the pedicle, and under DSA perspective,low-viscosity vertebral bone cement was introduced into the channel. Continuous injection of bone cement and adjustment of the opening direction under DSA monitoring were performed for osteoporotic compression fractures in 25 cases (33 vertebral bodies). The surgical duration, leakage of bone cement and its complication were recorded; the distribution of bone cement in the vertebral body were observed by X-ray. Results 25 patients were followed up for 6~12 months. The average surgical duration was (27.75±5.29) min, each injection of bone cement was (3.8±0.92) ml, VAS score points were (7.12±0.78) preoperatively and (2.2±0.57) 3 d postoperatively, and (1.44±0.71) 12 month spostoperatively. Compared with those before operation significant differences could be detected (P<0.01). Timely termination of 4 cases of bone cement leakage under intraoperative DSA monitoring, 2 cases of leakage in the vertebral body and intervertebral space, and 2 cases of lateral vertebral leakage were observed; no leakage into spinal canal causing nerve and vascular complications, and no serious complications such as pulmonary embolism occurred. Conclusions Single side open bone cement injection devicecan effectively change the intraoperative dispersion direction of bone cement, effective control of further outward leakage of bone cement. By adjusting the opening direction, bilateral distribution of bone cement can be achieved through unilateral pedicle approach.
Percutaneous vertebral plasty / Single side open bone cement injection device / Osteoporosis compression fractures / Unilateral approach
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