BACKGROUND:Percutaneous kyphoplasty for osteoporotic vertebral fractures with posterior vertebral wal breakage can relieve pain rapidly, but there is a risk of leakage of bone cement. OBJECTIVE: To observe the effect of bone filing mesh container in percutaneous kyphoplasty for osteoporotic vertebral fractures with posterior vertebral wal breakage. METHODS: Forty senile patients with osteoporotic vertebral compression fractures were enroled, whose CT and MRI showed different degrees of posterior vertebral wal breakage, including 19 males (21 vertebral bodies) and 21 females (28 vertebral bodies), aged 50-87 years. These 40 patients were subjected to percutaneous kyphoplasty, and bone filing mesh container was used to deliver bone cement. Then, changes in visual analogue scale score, vertebral height and leakage of bone cement were observed in patients before and after treatment. RESULTS AND CONCLUSION:The surgery was successful in al the 40 patients, and no pulmonary embolism, cement leakage, and spinal cord and nerve root injuries appeared. Al the patients were folowed for 10-12 months. The visual analogue scale scores and vertebral height were improved significantly at both 1 week and 3 months after treatment compared with those before treatment, but there was no difference in the visual analogue scale scores and vertebral height at 1 week and 3 months after treatment. These findings indicate that percutaneous kyphoplasty with bone filing mesh container is effective to prevent bone cement leakage.%背景：椎体后凸成形治疗合并椎体后壁破裂的骨质疏松性椎体压缩性骨折能迅速缓解疼痛，但较易发生骨水泥渗漏，引起相关并发症。目的：观察在椎体后凸成形治疗椎体后壁破损骨质疏松性椎体骨折中使用骨填充网袋预防骨水泥渗漏的作用。方法：纳入40例骨质疏松性椎体压缩骨折患者，CT及MRI显示所有椎体后壁有不同程度破损，其中男19例21个椎体，女21例28个椎体，年龄50-87岁；对40例患者进行经皮椎体后凸成形治疗，治疗过程中采用骨填充网袋推送骨水泥，观察治疗前后患者目测类比评分变化、椎体高度恢复及骨水泥渗漏情况。结果与结论：40例患者均顺利完成手术，无肺栓塞发生，无骨水泥渗漏，未出现脊髓和神经根损伤，并获得10-12个月随访。所有患者治疗后1周及治疗后3个月目测类比评分、椎体中柱高度均较治疗前明显改善(P <0.05)，治疗后3个月时与治疗后1周目测类比评分、椎体中柱高度比较差异无显著性意义(P >0.05)。结果表明椎体后凸成形中使用骨填充网袋治疗椎体后壁破损的骨质疏松性椎体骨折可有效防止骨水泥渗漏。
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