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  • Title: [Risk factors of secondary kyphotic angle increment after veterbroplasty for osteoporotic vertebral body compression fractures].
    Author: Chen JT, Xiao Y, Jin DD, Lu KW, Wang JJ.
    Journal: Nan Fang Yi Ke Da Xue Xue Bao; 2008 Aug; 28(8):1428-30. PubMed ID: 18753078.
    Abstract:
    OBJECTIVE: To study the risk factors of secondary kyphotic angle increment after bone cement vertebroplasty for osteoporotic vertebral compression fractures. METHODS: From October 2005 to May 2006, 32 (45 vertebrae) bone cement vertebroplasty procedures were performed. The operation time, injected cement volume, bone mineral density, visual analog scale (VAS) pain score, vertebral height, and kyphotic angle were recorded. The secondary increment of the kyphotic angle was calculated, and correlation analysis and linear regression analysis were performed. RESULTS: The bone mineral density, the postoperative kyphotic angle and the vertebral midline height were significantly correlated to the secondary increment of the kyphotic angle. CONCLUSION: Large postoperative kyphotic angle, poor postoperative recovery of the vertebral midline height, and low bone mineral density are all risk factors of secondary increment of the kyphotic angle.
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