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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 294 - 300 (7page)
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Study Design: Retrospective cohort study. Purpose: This study aimed to investigate relationships between clinical outcomes and radiographic parameters in patients with pseudoarthrosis after posterior lumbar interbody fusion (PLIF). Overview of Literature: In some patients with pseudoarthrosis after PLIF, clinical symptoms improve following surgery, although pseudoarthrosis can often be one of the complications. However, there are no previous reports describing differences between patients with pseudoarthrosis after PLIF who have obtained better clinical outcomes and those who have not. Methods: Twenty-seven patients who were diagnosed with pseudoarthrosis after single-level PLIF with cortical bone trajectory screw fixation (CBT-PLIF) were enrolled in this study. They were divided into two groups based on mean improvement of 22 points on the Oswestry Disability Index (ODI) at the 2-year follow-up. Group G consisted of 15 patients who showed improvement on the ODI of ≥22 points, and group P consisted of the residual 12 patients. Radiographic parameters, percentage of slip, lumbar lordosis (LL), segmental lordosis, segmental range of motion, screw loosening, and subsidence were compared between the two groups. Results: There were no significant differences between the two groups on radiographic parameters except for postoperative changes in LL. Although surgery-induced changes in LL showed no significant difference between the two groups, changes in LL from before surgery to 2-year follow-up and during postoperative 2-year follow-up were significantly better in group G (mean change of LL: +3.5° and +5.1°, respectively) compared to group P (mean change of LL: −4.6° and −0.5°, respectively) (p<0.01 and 0.05, respectively). Conclusions: Patients with greater improvement in ODI gained LL over the 2-year follow-up, whereas patients with less improvement in ODI lost LL during the 2-year follow-up. These results indicate that there is a significant correlation between clinical outcomes and LL even in patients with pseudoarthrosis after single-level CBT-PLIF.
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참고문헌 (13)
참고문헌 신청
Makino T / 2017 / Risk factors for poor patient-reported quality of life outcomes after posterior lumbar interbody fusion : an analysis of 2-year follow-up / Spine(Phila Pa 1976) 42:1502~1510
Tsutsumimoto T / 2008 / Union versus nonunion after posterolateral lumbar fusion : a comparison of long-term surgical outcomes in patients with degenerative lumbar spondylolisthesis / Eur Spine J 17:1107~1112
Kim MK / 2011 / The impact of sagittal balance on clinical results after posterior interbody fusion for patients with degenerative spondylolisthesis : a pilot study / BMC Musculoskelet Disord 12:69
Lee JH / 2011 / Fusion rates of a morselized local bone graft in polyetheretherketone cages in posterior lumbar interbody fusion by quantitative analysis using consecutive three-dimensional computed tomography scans / Spine J 11:647~653
Djurasovic M / 2012 / Changes in the Oswestry Disability Index that predict improvement after lumbar fusion / J Neurosurg Spine 17:486~490
Tsutsumimoto T / 2008 / Union versus nonunion after posterolateral lumbar fusion : a comparison of long-term surgical outcomes in patients with degenerative lumbar spondylolisthesis / Eur Spine J 17:1107~1112
Kim MK / 2011 / The impact of sagittal balance on clinical results after posterior interbody fusion for patients with degenerative spondylolisthesis : a pilot study / BMC Musculoskelet Disord 12:69
Lee JH / 2011 / Fusion rates of a morselized local bone graft in polyetheretherketone cages in posterior lumbar interbody fusion by quantitative analysis using consecutive three-dimensional computed tomography scans / Spine J 11:647~653
Djurasovic M / 2012 / Changes in the Oswestry Disability Index that predict improvement after lumbar fusion / J Neurosurg Spine 17:486~490
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