Summary of Background Data. Percutaneous vertebroplasty is a well-established technique for treating osteoporotic compression fractures.
背景资料概述：经皮椎体成形术是一项治疗骨质疏松性椎体压缩骨折良好技术。
Summary of Background Data. Vertebroplasty is typically used to stabilize vertebral compression fractures in situ without correcting kyphosis, with the main target to reduce pain and disability.
背景数据摘要：椎体成形术一般用于稳定局部没有纠正后凸畸形的椎体压缩性骨折，主要目的是减轻疼痛和不稳。
BACKGROUND: Prognosis is determined by degrees of outside force and time of spinal cord compression after spinal cord injury.
背景：脊髓损伤后决定预后的两个主要因素为损伤当时外力的大小和脊髓受压的时间。
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