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Laminectomy With Fusion is Associated With Greater Functional Improvement Compared With Laminectomy Alone for the Treatment of Degenerative Lumbar Spondylolisthesis A Systematic Review and Meta-Analysis

Journal

SPINE
Volume 48, Issue 12, Pages 874-884

Publisher

LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/BRS.0000000000004673

Keywords

degenerative lumbar spondylolisthesis; laminectomy; laminectomy with fusion

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This study aimed to compare the outcomes and complications of laminectomy alone versus laminectomy and fusion for the treatment of degenerative lumbar spondylolisthesis. The results showed that laminectomy with fusion had greater postoperative improvement in pain and disability compared with laminectomy alone, although it was associated with a longer duration of surgery and hospital stay.
Study Design.Systematic review and Meta-analysis. Objective.To compare outcomes and complications profile of laminectomy alone versus laminectomy and fusion for the treatment of degenerative lumbar spondylolisthesis (DLS). Summary of Background Data.Degenerative lumbar spondylolisthesis is a common cause of back pain and functional impairment. DLS is associated with high monetary (up to $100 billion annually in the US) and nonmonetary societal and personal costs. While nonoperative management remains the first-line treatment for DLS, decompressive laminectomy with or without fusion is indicated for the treatment-resistant disease. Methods.We systematically searched PubMed and EMBASE for RCTs and cohort studies from inception through April 14, 2022. Data were pooled using random-effects meta-analysis. The risk of bias was assessed using the Joanna Briggs Institute risk of bias tool. We generated odds ratio and standard mean difference estimates for select parameters. Results.A total of 23 manuscripts were included (n=90,996 patients). Complication rates were higher in patients undergoing laminectomy and fusion compared with laminectomy alone (OR: 1.55, P<0.001). Rates of reoperation were similar between both groups (OR: 0.67, P=0.10). Laminectomy with fusion was associated with a longer duration of surgery (Standard Mean Difference: 2.60, P=0.04) and a longer hospital stay (2.16, P=0.01). Compared with laminectomy alone, the extent of functional improvement in pain and disability was superior in the laminectomy and fusion cohort. Laminectomy with fusion had a greater mean change in ODI (-0.38, P<0.01) compared with laminectomy alone. Laminectomy with fusion was associated with a greater mean change in NRS leg score (-0.11, P=0.04) and NRS back score (-0.45, P<0.01). Conclusion.Compared with laminectomy alone, laminectomy with fusion is associated with greater postoperative improvement in pain and disability, albeit with a longer duration of surgery and hospital stay.

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