Surgical Management of Degenerative Lumbar Scoliosis Associated with Spinal Stenosis: Does the PI-LL Matter?

Spine
Hao BaiZixiang Wu

Abstract

Retrospective observational cohort study. To compare the benefits of long and short fusion treatments, and to identify factors potentially aiding surgeons' decision making about the surgical management of degenerative lumbar scoliosis associated with spinal stenosis (DLSS). The comparative effectiveness of long and short segment fusion for the treatment of DLSS remains controversial. 53 patients with symptomatic DLSS managed by posterior-only fusion surgery were enrolled in this study. 20 patients underwent short fusion (fewer than two segments), and 33 patients had more than three segments fused. The radiological outcomes were assessed by radiography. Health-related quality of life data, including visual analog scale (VAS) and Oswestry Disability Index (ODI) scores, were collected at all preoperative and follow-up visits. The short and long fusion groups showed significant differences in the change in the Cobb angle (4.2° vs. 11.2°), lumbar lordosis (3.9° vs. 11.5°), and pelvic incidence minus the lumbar lordosis angle (PI - LL; 3.2° vs. 11.2°). Both the short and long fusion achieved significant changes in low back pain and leg pain. Patients with PI -LLs > 10° had more relief of low back pain after long fusion (VAS 4.0 ± 2.0...Continue Reading

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Citations

Feb 10, 2021·Neuromodulation : Journal of the International Neuromodulation Society·Kristin LuciaSimon Bayerl
Sep 10, 2020·Journal of Craniovertebral Junction and Spine·Atul GoelApurva Prasad

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