Effects of vascular distribution in the thoracolumbar vertebral body and puncture in the safe zone on bone cement leakage

doi:10.3969/j.issn.2095-4344.2013.03.002

Abstract

Abstract:

BACKGROUND: According to the research, bone cement leakage has been mostly connected with vertebral venous return in the vertebroplasty treatment for vertebral compression fractures.
OBJECTIVE: To analyze the vascular distribution of the thoracolumbar vertebral body, providing the theoretical basis for the prevention of bone cement leakage during the implementation of vertebroplasty.
METHODS: There were 100 vertebral compression fracture patients, 30 of whom with T11 vertebra fracture,
17 with T12 vertebra fracture, 25 with L1 vertebra fracture, and 28 with L2 vertebra fracture. They were examined with CT before operation to detect the distribution of venous grooves, the position of safe zone and venous grooves in the vertebra.
RESULTS AND CONCLUSION: There was no significant difference in the distribution of venous grooves of the four groups. The data indicated that the course of venous grooves and the scope of safe zone among the vertebral body remained relatively constant. No statistical difference was noted in the average height of vertebra, vertebral pedicle or venous grooves plane in the vertebra, giving evidence that vertebral pedicle lies in the top 2/3 of the vertebra and venous grooves lies in the top 2/3 of the vertebral pedicle. There were constant safe zones in the thoracolumbar vertebral body. Improving the angle of puncture during the implementation of vertebroplasty contributes to the decrease of bone cement leakage.

Key words: biomaterials, tissue-engineered bone materials, bone cement, thoracolumbar vertebral body, vertebroplasty, leakage, provincial grants-supported paper, biomaterial photographs-containing paper

CLC Number:

R318

Tang Zhi-hong, Zou Guo-yao, Xiao Ying, Gao Xu, Wu Yue. Effects of vascular distribution in the thoracolumbar vertebral body and puncture in the safe zone on bone cement leakage[J]. Chinese Journal of Tissue Engineering Research, 2013, 17(3): 387-391.

Figures/Tables 2

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