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.
经皮后凸成形术在治疗胸腰椎骨质疏松性骨折中有确切缓解疼痛及恢复椎体高度和形态的作用，是理想的治疗方法。
PKP has exact efficacy on reducing back pain and restore the height and shape of vertebrae and is a ideal method in the treatment of vertebral compression fractures due to osteoporosis.
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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