目的：探讨经皮穿刺椎体成形术在骨质疏松性椎体压缩性骨折中的临床治疗效果。
Objective: To determine the clinical efficacy of percutaneous vertebroplasty in the treatment of osteoporotic vertebral body compression fractures.
结论应用记忆合金特性设计并治疗骨质疏松性椎体压缩性骨折有一定可行性、合理性。
Conclusion It is feasible and rational to use shape memory alloy springs, which are specially designed and made of special material, to treat osteoporotic vertebral compressive fracture.
作者报道了4例因骨质疏松压缩性骨折或肿瘤专转移性疾病行椎体成形术或后凸成形术引起迟发性化脓性脊髓炎（DPS）的病例。
The authors report on 4 cases of delayed pyogenic spondylitis (DPS) following vertebroplasty or ky-phoplasty for osteoporotic compression fractures and metastatic disease.
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