Risk factors predicting the new symptomatic vertebral compression fractures after percutaneous vertebroplasty or kyphoplasty
- Young-Joon RhoAffiliated withDepartment of Neurosurgery, Konkuk University School of Medicine
- , Woo Jin ChoeAffiliated withDepartment of Neurosurgery, Konkuk University School of Medicine Email author
- , Young Il ChunAffiliated withDepartment of Neurosurgery, Konkuk University School of Medicine
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Percutaneous vertebroplasty (PVP) and percutaneous kyphoplasty (PKP) are effective procedures to alleviate pain caused by osteoporotic vertebral compression fractures (VCFs). New vertebral compression fracture (NVCF) has been noted as a potential late sequela of the procedures. The incidence of NVCFs and affecting risk factors were investigated.
Materials and methods
The authors retrospectively analyzed the occurrence of NVCFs in 147 patients treated with PVP or PKP for osteoporotic VCFs. Possible risk factors, such as age, gender, body mass index, bone mineral density (BMD), location of treated vertebra, treatment modality, amount of bone cement injected, anterior–posterior ratio of the fractured vertebra, cement leakage into the disc space, and pattern of cement distribution, were assessed.
Twenty-seven patients (18.4%) had subsequent symptomatic NVCFs with a median time to new fracture was of 70 days. The 1-year symptomatic fracture-free rate was 85.0% by the Kaplan–Meier estimate. Eighteen (66.7%) of the 27 patients had an NVCF on the adjacent vertebra. Significant differences (P < 0.05) were found between the NVCF and control groups in regard to age, treatment modality, BMD, and the proportion of cement leakage into the disc space. Discal cement leakage and low BMD affected on adjacent NVCFs.
The most important risk factors affecting NVCFs were osteoporosis and intervertebral discal cement leakage.
KeywordsOsteoporotic compression fracture Vertebroplasty Kyphoplasty BMD Discal leakage
- Risk factors predicting the new symptomatic vertebral compression fractures after percutaneous vertebroplasty or kyphoplasty
European Spine Journal
Volume 21, Issue 5 , pp 905-911
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- Osteoporotic compression fracture
- Discal leakage
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