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  • Title: [Confidence high viscosity bone cement system and postural reduction in treating acute severe osteoporotic vertebral compression fractures].
    Author: Li B, Wang Q, Yu Y, Du W, Shao G.
    Journal: Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi; 2011 Mar; 25(3):307-10. PubMed ID: 21500583.
    Abstract:
    OBJECTIVE: To evaluate the effectiveness of Confidence high viscosity bone cement system and postural reduction in treating acute severe osteoporotic vertebral compression fracture (OVCF). METHODS: Between June 2004 and June 2009, 34 patients with acute severe OVCF were treated with Confidence high viscosity bone cement system and postural reduction. There were 14 males and 20 females with an average age of 72.6 years (range, 62-88 years). All patients had single thoracolumbar fracture, including 4 cases of T11, 10 of T12, 15 of L1, 4 of L2, and 1 of L3. The bone density measurement showed that T value was less than -2.5. The time from injury to admission was 2-72 hours. All cases were treated with postural reduction preoperatively. The time of reduction in over-extending position was 7-14 days. All patients were injected unilaterally. The injected volume of high viscosity bone cement was 2-6 mL (mean, 3.2 mL). RESULTS: Cement leakage was found in 3 cases (8.8%) during operation, including leakage into intervertebral space in 2 cases and into adjacent paravertebral soft tissue in 1 case. No clinical symptom was observed and no treatment was performed. No pulmonary embolism, infection, nerve injury, or other complications occurred in all patients. All patients were followed up 12-38 months (mean, 18.5 months). Postoperatively, complete pain relief was achieved in 31 cases and partial pain relief in 3 cases; no re-fracture or loosening at the interface occurred. At 3 days after operation and last follow-up, the anterior and middle vertebral column height, Cobb angle, and visual analogue scale (VAS) score were improved significantly when compared with those before operation (P < 0.05); and there was no significant difference between 3 days and last follow-up (P > 0.05). CONCLUSION: Confidence high viscosity bone cement system and postural reduction can be employed safely in treating acute severe OVCF, which has many merits of high viscosity, long time for injection, and easy-to-control directionally.
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