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Surgical versus nonoperative treatment for lumbar spinal stenosis four-year results of the Spine Patient Outcomes Research Trial.


ABSTRACT: Randomized trial and concurrent observational cohort study.To compare 4 year outcomes of surgery to nonoperative care for spinal stenosis.Surgery for spinal stenosis has been shown to be more effective compared to nonoperative treatment over 2 years, but longer-term data have not been analyzed.Surgical candidates from 13 centers in 11 US states with at least 12 weeks of symptoms and confirmatory imaging were enrolled in a randomized cohort (RC) or observational cohort (OC). Treatment was standard decompressive laminectomy or standard nonoperative care. Primary outcomes were SF-36 bodily pain (BP) and physical function scales and the modified Oswestry Disability index assessed at 6 weeks, 3 months, 6 months, and yearly up to 4 years.A total of 289 patients enrolled in the RC and 365 patients enrolled in the OC. An as-treated analysis combining the RC and OC and adjusting for potential confounders found that the clinically significant advantages for surgery previously reported were maintained through 4 years, with treatment effects (defined as mean change in surgery group minus mean change in nonoperative group) for bodily pain 12.6 (95% confidence interval [CI], 8.5-16.7); physical function 8.6 (95% CI, 4.6-12.6); and Oswestry Disability index -9.4 (95% CI, -12.6 to -6.2). Early advantages for surgical treatment for secondary measures such as bothersomeness, satisfaction with symptoms, and self-rated progress were also maintained.Patients with symptomatic spinal stenosis treated surgically compared to those treated nonoperatively maintain substantially greater improvement in pain and function through 4 years.

SUBMITTER: Weinstein JN 

PROVIDER: S-EPMC3392200 | biostudies-literature | 2010 Jun

REPOSITORIES: biostudies-literature

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Surgical versus nonoperative treatment for lumbar spinal stenosis four-year results of the Spine Patient Outcomes Research Trial.

Weinstein James N JN   Tosteson Tor D TD   Lurie Jon D JD   Tosteson Anna A   Blood Emily E   Herkowitz Harry H   Cammisa Frank F   Albert Todd T   Boden Scott D SD   Hilibrand Alan A   Goldberg Harley H   Berven Sigurd S   An Howard H  

Spine 20100601 14


<h4>Study design</h4>Randomized trial and concurrent observational cohort study.<h4>Objective</h4>To compare 4 year outcomes of surgery to nonoperative care for spinal stenosis.<h4>Summary of background data</h4>Surgery for spinal stenosis has been shown to be more effective compared to nonoperative treatment over 2 years, but longer-term data have not been analyzed.<h4>Methods</h4>Surgical candidates from 13 centers in 11 US states with at least 12 weeks of symptoms and confirmatory imaging wer  ...[more]

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