ATM: To evaluate the therapeutic effects of percutaneous bone cement (polymethyl methacrylate) vertebroplasty in the treatment of osteoporotic compression fractures.

• 摘要目的：观察经皮椎体内注入骨水泥（聚甲基丙烯酸甲酯）治疗脊椎骨质疏松压缩性骨折的疗效。