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Long Term Efficacy of Posterior Lumbar Interbody Fusion with Standard Cages alone in Lumbar Disc Diseases Combined with Modic Changes.

Authors
 Young-Min Kwon  ;  Dong-Kyu Chin  ;  Byung-Ho Jin  ;  Keun-Su Kim  ;  Yong-Eun Cho  ;  Sung-Uk Kuh 
Citation
 Journal of Korean Neurosurgical Society, Vol.46(4) : 322-327, 2009 
Journal Title
 Journal of Korean Neurosurgical Society 
ISSN
 2005-3711 
Issue Date
2009
Abstract
OBJECTIVE: Posterior lumbar interbody fusion (PLIF) is considered to have the best theoretical potential in promoting bony fusion of unstable vertebral segments by way of a load sharing effect of the anterior column. This study was undertaken to investigate the efficacy of PLIF with cages in chronic degenerative disc disease with Modic degeneration (changes of vertebral end plate). METHODS: A total of 597 patients underwent a PLIF with threaded fusion cages (TFC) from 1993 to 2000. Three-hundred-fifty-one patients, who could be followed for more than 3 years, were enrolled in this study. Patients were grouped into 4 categories according to Modic classification (no degeneration : 259, type 1 : 26, type 2 : 55, type 3 : 11). Clinical and radiographic data were evaluated retrospectively. RESULTS: The clinical success rate according to the Prolo's functional and economic outcome scale was 86% in patients without degeneration and 83% in patients with Modic degeneration. The clinical outcomes in each group were 88% in type 1, 84% in type 2, and 73% in type 3. The bony fusion rate was 97% in patients without degeneration and 83% in patients with Modic degeneration. The bony fusion rate in each group was 81% in type 1, 84% in type 2, and 55% in type 3. The clinical success and fusion rates were significantly lower in patients with type 3 degeneration. CONCLUSION: The PLIF with TFC has been found to be an effective procedure for lumbar spine fusion. But, the clinical outcome and bony fusion rates were significantly low in the patients with Modic type 3. The authors suggest that PLIF combined with pedicle screw fixation would be the better for them
Files in This Item:
T200903747.pdf Download
DOI
10.3340/jkns.2009.46.4.322
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
구성욱(Kuh, Sung Uk) ORCID logo https://orcid.org/0000-0003-2566-3209
김근수(Kim, Keun Su) ORCID logo https://orcid.org/0000-0002-3384-5638
조용은(Cho, Yong Eun) ORCID logo https://orcid.org/0000-0001-9815-2720
진동규(Chin, Dong Kyu) ORCID logo https://orcid.org/0000-0002-9835-9294
진병호(Jin, Byung Ho)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/105348
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