Kyphosis reduction and the rate of cement leaks after vertebroplasty of intravertebral clefts

被引:131
作者
Krauss, M
Hirschfelder, H
Tomandl, B
Lichti, G
Bär, I
机构
[1] Klinikum Sued, Inst Diagnost & Intervent Radiol, D-90471 Nurnberg, Germany
[2] Klinikum Sued, Dept Phys & Rehabil Med, D-90471 Nurnberg, Germany
关键词
osteoporosis; interventional procedures; spine; fractures; vertebroplasty;
D O I
10.1007/s00330-005-0056-6
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 [临床医学]; 100207 [影像医学与核医学]; 1009 [特种医学];
摘要
To assess the results of vertebroplasty in patients with intravertebral clefts compared to patients with normal osteoporotic fractures, we evaluated the pre- and postoperative images and pain scores (VAS) of 114 patients with 192 vertebroplasty procedures treated between March 2002 and February 2005. Intravertebral clefts were identified on conventional radiographs, MR or CT images as gas- or fluid-filled spaces adjacent to an endplate of a fractured vertebra. Forty-four vertebrae showed intravertebral clefts. All clefts were filled with PMMA showing a typical filling pattern. Due to the prone positioning of the patient during vertebroplasty, a significant reduction of the kyphosis angle was achieved in the cleft group. Cement leakage occurred in 18.2% of clefts and 46% of regular osteoporotic fractures. In all patients, good filling of the cleft was achieved no matter where the needle tip was placed in the vertebra. The VAS score was 9.1 preoperatively, 3.6 before discharge and 3.9 6 months postoperatively, showing no significant difference between both groups. Patients with intravertebral clefts show a significant reduction of the kyphosis angle compared to non-cleft patients and have a significantly lower risk of experiencing cement leakage during vertebroplasty. Pain reduction is the same in both groups.
引用
收藏
页码:1015 / 1021
页数:7
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