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KMID : 1007020150130010015
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Korean Soceity of Osteroporosis
2015 Volume.13 No. 1 p.15 ~ p.20
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Comparisons of Vertebroplasty and Kyphoplasty for Thoracolumbar Osteoporotic Vertebral Fractures
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Kim Min-Woo
Lee Kyu-Yeol
Jung Sung-Yoon
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Abstract
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Objectives: To examine and compare the effects of vertebroplasty or kyphoplasty on change in the vertebral height and kyphotic angle and presence of new vertebral fracture of adjacent level.
Materials and Methods: A total of 60 patients with vertebral compression fractures or stable burst fractures underwent vertebroplasty or kyphoplasty from Jan, 2007 to April, 2014 were included in the study. Preoperative, postoperative and last follow-up radiographs were analyzed to quantify presence of new vertebral fractures and preoperative and postoperative vertebral height and kyphotic angle at fracture levels were also measured. Changes in the vertebral body height and kyphotic angle at fracture levels were compared for vertebroplasty and kyphoplasty to determine if there was a significant differences.
Results: Measurements revealed that vertebroplasty increased vertebral body height at fracture level by an average 5.5mm or or by 33% of preoperative height and reduced local kyphotic angle by an average 3.5 degrees and kyphoplasty increased vertebral body height at fracture level by an average 5.8mm or by 36% of preoperative height and reduced local kyphotic angel by an average 3.6 degrees. New vertebral fractures occurred in 8 patients (24%) after vertebroplasty and 4 patients (14%) after kyphoplasty.
Conclusions: There was no significant statistically greater improvement of changes in the vertebral body height at fracture level and kyphotic angle found with vertebroplasty and kyphoplasty. But the vertebroplasty has statistically greater risk of new fracture than kyphoplasty.
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KEYWORD
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Vertebroplasty, Kyphoplasty, Compression fracture, Burst fracture
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