老年人腰椎椎体畸形与椎间盘退变之间的关系。
The relationship between vertebral body deformity and disc degeneration in lumbar spine of the senile.
作者信息
Dai L
机构信息
Department of Orthopedics, Changzheng Hospital, Shanghai, China.
出版信息
Eur Spine J. 1998;7(1):40-4. doi: 10.1007/s005860050025.
Abstract
This study provides an investigation of the relationship between vertebral deformities and disc degeneration in patients with senile osteoporosis using biomechanical and medical imaging methods. The finite element analysis showed that stress concentration in the central area of the vertebral body is much decreased with disc degeneration, indicating that load transmission has been altered. Radiography and MRI suggested that vertebral deformities are related to the height and degeneration of the disc just below this vertebral body. When a disc has decreased height or degeneration, the vertebral body just above it is less likely to be deformed for patients with spinal osteoporosis.
摘要
本研究采用生物力学和医学成像方法，对老年骨质疏松症患者的椎体畸形与椎间盘退变之间的关系进行了调查。有限元分析表明，随着椎间盘退变，椎体中心区域的应力集中显著降低，这表明负荷传递发生了改变。X线摄影和磁共振成像显示，椎体畸形与该椎体下方椎间盘的高度和退变有关。对于患有脊柱骨质疏松症的患者，当椎间盘高度降低或发生退变时，其上方的椎体发生变形的可能性较小。
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