The comparison of biomechanical changes between spinous process osteotomy and conventional laminectomy

Kyoung Tak Kang, Heoung Jae Chun, Ju Hyun Son, Ho Joong Kim, Seong Hwan Moon, Hwan Mo Lee, Ka Yeon Kim

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Previous studies have introduced the technique of spinous process osteotomy to decompress spinal stenosis, a procedure which aims to afford excellent visualization while minimizing destruction of tissues not directly involved in the pathologic process. However, biomechanically it has not been investigated whether the sacrifice of posterior spinous process might have potential risk of spinal instability or not, even though supra-spinous and inter-spinous ligaments are preserved. Therefore the aim of this study is to evaluate the biomechanical properties after spinous process osteotomy, using finite element analysis. The model of spinous process osteotomy exhibited no significant increase in disc stress or change in segmental range of motion. It is due to the fact that the instability of lumbar spine has been maintained by the two-types of ligaments compared with the prior surgical technique. Therefore, according to the finite element result on this study, this osotetomy was considered to be a clinically safe surgical procedure and could not cause the instability of the lumbar spine.

本文言語English
ページ(範囲)645-651
ページ数7
ジャーナルTransactions of the Korean Society of Mechanical Engineers, A
33
7
DOI
出版ステータスPublished - 2009

ASJC Scopus subject areas

  • Mechanical Engineering

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