Long-term outcomes of long level posterolateral fusion in lumbar degenerative disease: comparison of long level fusion versus short level fusion: a case control studyopen access
- Authors
- Lee, Jin Kyu; Kim, Chul Woong; Kang, Chang-Nam
- Issue Date
- 2015
- Publisher
- BIOMED CENTRAL LTD
- Keywords
- Degenerative spinal stenosis; Instrumented posterolateral fusion; Pedicle screw fixation; Long term outcome
- Citation
- BMC MUSCULOSKELETAL DISORDERS, v.16, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- BMC MUSCULOSKELETAL DISORDERS
- Volume
- 16
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/158299
- DOI
- 10.1186/s12891-015-0836-3
- ISSN
- 1471-2474
- Abstract
- Background
We sought to evaluate the long-term outcomes of long-level instrumented posterolateral fusion (PLF) directly compared to those with short level instrumented PLF for degenerative spinal stenosis.
Methods
From 1987–2002, patients who underwent instrumented PLF with wide decompression for degenerative spinal stenosis were reviewed. A total of 295 patients were available for follow-up over 10 years (mean, 14 years). These patients were divided into Group 1 (fusion of 1 or 2 levels) and Group 2 (fusion of three or more levels). Clinical and radiological outcomes were evaluated.
Results
On clinical outcomes, Group 1 showed better results than Group 2 based on the Katz’s Activities Daily Living index (p = 0.024), Kirkaldy-Willis criteria (p = 0.001) and the Korean version of the Oswestry disability index (p = 0.01). However, excellent and good outcome was noted in more than 64.5 % in Group 2. For radiological outcomes, overall fusion rate was higher in Group 1 compared with Group 2, but not significantly different (p = 0.35). However, the metal problems and surgical complications were more developed in Group 2 (p < 0.001). Although the radiologic changes on adjacent segments increased in accordance with the follow-up period, particularly in Group 2 (p < 0.001), no correlation with clinical symptoms was found.
Conclusions
The long-level fusion group maintained acceptable clinical and radiological outcomes compared to the short-level fusion group at minimum of 10 years of follow-up.
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