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KMID : 1007020150130010021
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Korean Soceity of Osteroporosis
2015 Volume.13 No. 1 p.21 ~ p.30
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Minimum 7 Years Follow-up of Percutaneous Vertebroplasty in Osteoporotic Compression Fracture
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Kim Jin-Hwan
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Abstract
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Introduction: Percutaneous vertebroplasty is effective surgical method for treating osteoporotic compression fracture. But there is a few data for long term follow-up clinical and radiologic result, especially injected cement features. We assessed the radiographic features of patients who underwent percutaneous vertebroplasty (PVP) in osteoporotic compression fractures with a minimum of 7 years follow-up retrospectively.
Methods: Between January 2000 and August 2007, 253 patients were treated with PVP for osteoporotic compression fracture at our department; 81 patients died during follow-up and 101 patients (177 vertebras) were available for follow-up for over 7 years. We analyzed the radiologic outcome focused on injected cement feature.
Results: The mean follow-up period was 7.9 years. A new adjacent vertebral fracture was documented by 55 vertebral bodies in 35 patients. During the follow-up period, 81 patients (44.5%) in 182 patients died. Anterior body height in the last follow-up was improved about 0.3 mm compared with the preprocedural value , but was not statistically significant. Also, the focal kyphotic angle was reduced from 12.3° at the preprocedural state to 11.7° at the postprocedural state but was not statistically significant (P>0.05). Out of the 101 cases, the 89 cases for whom the cement was injected into the vertebral body were kept in a stable condition. Seven cases of radiolucent line with decreased bone density in the adjacent area of cement and 5 cases of cement cracks accompanied with vertebral collapse were observed.
Conclusions: PVP for osteoporotic compression fracture is an efficient procedure for pain relief by long term follow-up. The cement injected vertebrae showed stable radiologic progression without significant changes in vertebral height or kyphotic angle.
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KEYWORD
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Percutaneous vertebroplasty, Long-term follow-up, Osteoporotic vertebral fracture
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