Journal
SPINE
Volume 45, Issue 11, Pages 776-783Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/BRS.0000000000003374
Keywords
decompressive surgery; first lumbar operation; follow-up; lumbar spinal stenosis; non-smoking; Oswestry disability index; predictors; regular use of painkillers; self-rated health; surgical outcome; visual analog scale
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Funding
- Research Committee of the Kuopio University Hospital Catchment Area
- Finnish Cultural Foundation Grant, North Savo Regional Fund
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Study Design. A prospective observational 10-year follow-up study. Objective. This study aimed to examine preoperative predictors for better surgical outcomes in patients with lumbar spinal stenosis (LSS) 10 years after surgery. Summary of Background Data. LSS is a leading cause of low back surgery in patients older than 65 years. Limited data are available for predictors of long-term surgical outcomes in patients with LSS. Methods. At the baseline, 102 patients with LSS underwent decompressive surgery, and 72 of the original study sample participated in a 10-year follow-up study. Study patients filled out a questionnaire preoperatively, and follow-up data were collected at 3 months, 6 months, 1 year, 2 years, 5 years, and 10 years postoperatively. Surgical outcomes were evaluated in terms of disability with the Oswestry Disability Index (ODI) and pain with the visual analog scale (VAS). Predictors in the models were nonsmoking status, absence of previous lumbar surgery, self-rated health, regular use of painkillers for symptom alleviation, and BMI. Statistical analyses included longitudinal associations, subgroup analyses, and cross-sectional analyses. Results. Using multivariate analysis, statistically significant predictors for lower ODI and VAS scores at 10 years were nonsmoking status, absence of previous lumbar surgery, better self-rated health, and regular use of painkillers for Conclusion. These study results can enhance informed decision-making processes for patients considering surgical treatment for LSS by showing preoperative predictors for surgical outcomes up to 10 years after surgery. Smokers and patients with previous lumbar surgery showed a decline in surgical benefits after 5 years.
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