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| WANG Ertian,YI Weihong,WANG Min.Effect of unilateral percutaneous kyphoplasty on the bone mineral density of contralateral side[J].Chinese Journal of Spine and Spinal Cord,2013,(3):233-237. |
| Effect of unilateral percutaneous kyphoplasty on the bone mineral density of contralateral side |
| Received:November 05, 2012 Revised:December 17, 2012 |
| English Keywords:Percutaneous kyphoplasty Bone cement Osteoporotic vertebral compression fractures Bone mineral density |
| Fund:深圳市科技局2010年计划项目（编号：201003282） |
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| English Abstract: |
| 【Abstract】 Objectives: To explore the effect of unilateral percutaneous kyphoplasty(PKP) on the bone mineral density(BMD) of contralateral side. Methods: The BMD of 30 patients including 5 males and 25 females aging from 66 to 86 years and suffering from osteoporotic vertebral compression fractures underwent unilateral PKP in our hospital from June 2010 to August 2012. The compression degree of all fractures did not exceed 70%. Preoperative lumbar BMD and BMD of the right half of vertebrae were measured in all cases routinely, while BMD of the right half of vertebrae(containing and removing prosthesis) was measured postoperatively. SPASS 16.0 software was applied by a paired t test for statistical processing. Results: All patients underwent surgery successfully, part of the cement diffused to the contralateral side. There were no serious complications noted during or after operations. Preoperative and postoperative BMD of the right half of vertebrae(bone cement retaining) was 0.6705±０.0677g/cm2 and 1.123±0.1942g/cm2 respectively, with a mean difference of 0.4525±0.2236g/cm2(P<0.001), which showed significant difference. Postoperative and preoperative BMD of the right half of vertebrae(bone cement absent) was 0.7717±0.0776g/cm2 and 0.1012±0.0672g/cm2, which showed significant difference(P<0.001). Conclusions: Unilateral PKP can improve the BMD of contralateral side of the vertebrae based on partial bone cement diffusing to the contralateral side, which can reduce the risk of onset of fractures. |
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