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April 1, 2022The International Journal of Spine SurgeryOpen Access

Differential Agnostic Effect Size Analysis of Lumbar Stenosis Surgeries

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Authors

KLKai‐Uwe LewandrowskiIAIvo AbrahamJLJorge Felipe Ramírez León

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Overview

Meta-analysis reveals equivalent functional and pain outcomes across endoscopic and open surgeries for lumbar stenosis, suggesting minimally invasive techniques match traditional approaches.

Key Points

  • To calculate and compare standard effect sizes for functional disability and pain relief across endoscopic decompression, microdiscectomy, and open laminectomy for lumbar spinal stenosis.
  • Systematically searched PubMed, Embase, Web of Science, and Cochrane Central databases from 1 January 2000 to 31 December 2019.
  • Identified 89 eligible prospective and retrospective studies encompassing 23,290 patient samples.
  • Calculated effect sizes for the Oswestry Disability Index (ODI) and Visual Analog Scale (VAS) for back and leg pain across surgical techniques.
  • Spinal endoscopy yielded an overall ODI effect size of 0.92 across 81 studies (n=12,710), compared to 0.90 for microdiscectomy across 16 studies (n=2,895) and 0.93 for open laminectomy across 5 studies (n=1,188).
  • Corresponding VAS leg pain effect sizes were 0.92 for spinal endoscopy across 81 studies (n=12,631), 0.92 for microdiscectomy across 15 studies (n=2,348), and 0.89 for open laminectomy across 5 studies (n=1,188).

Cite This Study

Lewandrowski et al. (2022) studied this question.

synapsesocial.com/papers/6a7134f835aa2c282ce283b1https://doi.org/10.14444/8222
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