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Postoperative rehabilitation does not improve functional outcome in lumbar spinal stenosis: a prospective study with 2-year postoperative follow-up.

ABSTRACT: The aim was to study if postoperative rehabilitation improves functional outcome in lumbar spinal stenosis (LSS). Surgically treated LSS patients (n = 102) were randomized to rehabilitation-group (A) and "standard postoperative treatment"--group (B). Intervention for A-group started 3 months postoperatively, consisting of once a week outpatient visits for 12 weeks (1.5 h per visit; 1-6 patients per one physiotherapist). Physiotherapist guided stretching and strengthening exercises. A-group performed individually estimated exercises at those visits with guiding and at home up to 24-month postoperative follow-up. Physiotherapeutic guidance (12 times) was repeated after 12 months, in order to update exercises and motivate patients to keep training. For B-group, the "standard treatment" thus included normal postoperative treatment, or no treatment/self-management. Outcome measures were measured at the start and the end of the first physiotherapeutic intervention (3 and 6 months postoperatively), and at 12- and 24-month postoperative follow-ups. Oswestry Disability Index (ODI, 0-100%) was the main outcome measure. The other outcome measures were back- and leg pain separately (NRS-11); satisfaction (7-point scale) and treadmill test (0-1,000 m; not at 6 month). The intervention consisting of 12 + 12 physiotherapeutic sessions with further home exercises did not influence the course ODI in the 24-month postoperative follow-up (p = 0.95 for ODI; "as-rehabilitated" analysis). No influence on any other outcome measures was observed. After LSS surgery, routinely performed outpatient rehabilitation did not improve functional outcome compared to standard treatment. In addition, it had no impact on the back and leg pain, satisfaction and walking ability.

SUBMITTER: Aalto TJ

PROVIDER: S-EPMC3175851 | biostudies-other | 2011 Aug

REPOSITORIES: biostudies-other

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Postoperative rehabilitation does not improve functional outcome in lumbar spinal stenosis: a prospective study with 2-year postoperative follow-up.

Aalto Timo J TJ Leinonen Ville V Herno Arto A Alen Markku M Kröger Heikki H Turunen Veli V Savolainen Sakari S Saari Tapani T Airaksinen Olavi O

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society 20110427 8

The aim was to study if postoperative rehabilitation improves functional outcome in lumbar spinal stenosis (LSS). Surgically treated LSS patients (n = 102) were randomized to rehabilitation-group (A) and "standard postoperative treatment"--group (B). Intervention for A-group started 3 months postoperatively, consisting of once a week outpatient visits for 12 weeks (1.5 h per visit; 1-6 patients per one physiotherapist). Physiotherapist guided stretching and strengthening exercises. A-group perfo ...[more]

PMID: 21523459

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Project description:AimsThe aims of this study were first, to determine if adding fusion to a decompression of the lumbar spine for spinal stenosis decreases the rate of radiological restenosis and/or proximal adjacent level stenosis two years after surgery, and second, to evaluate the change in vertebral slip two years after surgery with and without fusion.MethodsThe Swedish Spinal Stenosis Study (SSSS) was conducted between 2006 and 2012 at five public and two private hospitals. Six centres participated in this two-year MRI follow-up. We randomized 222 patients with central lumbar spinal stenosis at one or two adjacent levels into two groups, decompression alone and decompression with fusion. The presence or absence of a preoperative spondylolisthesis was noted. A new stenosis on two-year MRI was used as the primary outcome, defined as a dural sac cross-sectional area ≤ 75 mm2 at the operated level (restenosis) and/or at the level above (proximal adjacent level stenosis).ResultsA total of 211 patients underwent surgery at a mean age of 66 years (69% female): 103 were treated by decompression with fusion and 108 by decompression alone. A two-year MRI was available for 176 (90%) of the eligible patients. A new stenosis at the operated and/or adjacent level occurred more frequently after decompression and fusion than after decompression alone (47% vs 29%; p = 0.020). The difference remained in the subgroup with a preoperative spondylolisthesis, (48% vs 24%; p = 0.020), but did not reach significance for those without (45% vs 35%; p = 0.488). Proximal adjacent level stenosis was more common after fusion than after decompression alone (44% vs 17%; p < 0.001). Restenosis at the operated level was less frequent after fusion than decompression alone (4% vs 14%; p = 0.036). Vertebral slip increased by 1.1 mm after decompression alone, regardless of whether a preoperative spondylolisthesis was present or not.ConclusionAdding fusion to a decompression increased the rate of new stenosis on two-year MRI, even when a spondylolisthesis was present preoperatively. This supports decompression alone as the preferred method of surgery for spinal stenosis, whether or not a degenerative spondylolisthesis is present preoperatively.Cite this article: Bone Joint J 2022;104-B(12):1343-1351.

Project description:Purpose:To develop a self-administered diagnostic screening questionnaire for lumbar spinal stenosis (LSS) consisting of items with high content validity and to investigate the diagnostic value of the questionnaire and the items. Patients and Methods:A self-reported diagnostic LSS screening questionnaire was developed based on items from the existing literature describing key symptoms of LSS. The screening questionnaire (index test) was to be tested in a cohort of patients with persistent lumbar and/or leg pain recruited from a Danish publicly funded outpatient secondary care spine clinic with clinicians performing the reference test. However, to avoid unnecessary collection of data if the screening questionnaire proved to be of limited value, a case-control design was incorporated into the cohort design including an interim analysis. Additional cases for the case-control study were recruited at two Danish publicly funded spine surgery departments. Prevalence, sensitivity, specificity and diagnostic odds ratio (OR) were calculated for each individual item, and AUC (area under the curve) was calculated to examine the performance of the full questionnaire. Results:A 13-item Danish questionnaire was developed and tested in 153 cases and 230 controls. The interim analysis was not in favour of continuing the cohort study, and therefore, only results from the case-control study are reported. There was a positive association for all items except the presence of back pain. However, the association was only moderate with ORs up to 3.3. When testing the performance of the whole questionnaire, an AUC of 0.72 was reached with a specificity of 20% for a fixed sensitivity of 95%. Conclusion:The items were associated with LSS and therefore have some potential to identify LSS patients. However, the association was not strong enough to provide sufficient accuracy for a diagnostic tool. Additional dimensions of symptoms of LSS need identification to obtain a reliable questionnaire for screening purposes.

Project description:BackgroundLumbar spinal stenosis (LSS) is a clinical syndrome based on anatomic narrowing of the spinal canal. It is well known that anatomic narrowing of the spinal canal is essential for manifestation, but not all of them cause symptoms. There are many studies assessing the relationship between dural tube compression on MRI and clinical symptoms; however, most of them are cross-sectional. The purpose of this study was to reveal the magnitude of dural tube compression's influence on the presence or development of LSS symptoms at the six-year follow-up and the occurrence of surgery during the follow-up period or not in the community setting.MethodsThis was a longitudinal observational study of 459 participants who were assessed for typical LSS symptoms, and whose Roland-Morris Disability Questionnaire and numerical rating scale of leg pain and numbness was recorded using a questionnaire and conventional MRI of the lumbar spine. Typical LSS symptoms were judged using an LSS diagnostic support tool, which was a self-administered, self-reported history questionnaire (LSS-SSHQ). After six years, 232 subjects (follow-up rate 50.5%) were followed-up with typical LSS symptoms using LSS-SSHQ by mail. The relationship between the magnitude of dural tube compression evaluated by dural tube cross-sectional area (DCSA) in the initial assessment and the time course of typical LSS symptoms for the six-year duration were analyzed. In addition, predictors of the presence of typical LSS symptoms at the six-year follow-up were assessed. Furthermore, we investigated the relationship between typical LSS symptoms and DCSA during the initial assessment of patients who underwent surgery during the follow-up period. A multivariate logistic regression analysis was performed for statistical analysis.Results(1) Severe dural tube compression did not show that LSS symptoms continued after six years. (2) Severe dural tube compression could not detect development of LSS-symptoms and surgery during the six-year period.ConclusionSevere dural tube compression could not detect typical LSS symptom development and occurrence of surgery during the six-year period.

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Postoperative rehabilitation does not improve functional outcome in lumbar spinal stenosis: a prospective study with 2-year postoperative follow-up.

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Postoperative rehabilitation does not improve functional outcome in lumbar spinal stenosis: a prospective study with 2-year postoperative follow-up.

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