有许多途径用于作椎体扩张术，包括椎体成形术和后凸成形术。
There are many approaches to vertebral augmentation surgery, including vertebroplasty or kyphoplasty.
目的：探讨经皮椎体后凸成形术(PKP)治疗骨质疏松性胸腰椎单椎体楔形骨折和凹陷型骨折的效果。
Objective: To evaluate the clinical efficacy of percutaneous kyphoplasty (PKP) for osteoporotic thoracolumbar single vertebral wedge and concave fractures.
材料和方法：对连续40名患原发性骨质疏松和椎体骨折的病人施行椎体后凸成形术，20人使用CaP骨水泥，20人使用PMMA骨水泥治疗。
Materials and Methods. Kyphoplasty was performed in 40 consecutive patients with primary osteoporosis and painful vertebral fractures, 20 received CaP-cement, 20 were treated with PMMA-cement.
材料和方法：对连续40名患原发性骨质疏松和椎体骨折的病人施行椎体后凸成形术，20人使用CaP骨水泥，20人使用PMMA骨水泥治疗。
Materials and Methods. Kyphoplasty was performed in 40 consecutive patients with primary osteoporosis and painful vertebral fractures, 20 received CaP-cement, 20 were treated with PMMA-cement.
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