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| REN Hu,SHEN Yong,ZHANG Yingze.Analysis of related factors on the vertebral height restoration of percutaneous kyphoplasty[J].Chinese Journal of Spine and Spinal Cord,2010,20(1):47-51. |
| Analysis of related factors on the vertebral height restoration of percutaneous kyphoplasty |
| Received:July 13, 2009 Revised:October 09, 2009 |
| English Keywords:Ｐercutaneous kyphoplasty Ｖertebral height restoration Ｃorrelative factor |
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| English Abstract: |
| 【Abstract】 Objective：To explore the correlative factors on vertebral height restoration of percutaneous kyphoplasty（PKP） in the treatment of osteoporotic vertebral compression fracture.Method：Forty-three patients experiencing single level kyphoplasty due to osteoporotic vertebral compression fracture from January 2007 to October 2008 were retrospectively reviewed.The correlative factors including age，sex，course of disease，history of trauma，preoperative degree of vertebral compression，preoperative Cobb′s angle，fracture type，bone mineral density，operative approach，cement volume and existence of lumbar scoliosis were put into analysis.All the factors as well as the degree of vertebral height restoration were recorded.Bivariate linear regression analysis and t-test were uesd to find the most correlative factors affecting vertebral height restoration.And multiple linear regression analysis was uesd to find independent factors.Result：The whole degree of vertebral height restoration was （39±17）%.Univariate analysis showed that the course of disease，preoperative degree of vertebral compression，fracture type，bone mineral density and lumbar scoliosis were the variable associated with the vertebral height restoration（P<0.05）.In contrast，there was no significantly correlation between age，sex，preoperative Cobb′s angle，cement volume，operative approach and the vertebral height restoration（P>0.05）.Multiple linear regression analysis showed that the preoperative degree of vertebral compression，bone mineral density and fracture type were the predominant correlative factors affecting the vertebral height restoration.The standardized partial regression coefficient was -0.622，-0.283 and 0.131 respectively.Conclusion：The preoperative degree of vertebral compression，bone mineral density and fracture type are the predominant correlative factors affecting the vertebral height restoration which can be used to forecast the prognosis of percutaneous kyphoplasty. |
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