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Radiographic predictors of residual low back pain after laminectomy for lumbar canal stenosis: a minimum of 6-year follow-up / 中华创伤杂志(英文版)
Chinese Journal of Traumatology ; (6): 135-140, 2008.
Article in English | WPRIM | ID: wpr-236716
ABSTRACT
<p><b>OBJECTIVE</b>To identify radiographic predictors of residual low back pain (LBP) after laminectomy for lumbar canal stenosis (LCS).</p><p><b>METHODS</b>Clinical results and radiographic findings in 69 patients who underwent single level laminectomy for LCS were retrospectively reviewed. Patients who had an improvement in LBP scores evaluated by Japanese Orthopaedic Association (JOA) scoring system during the follow-up periods were classified as the recovery group, and others were classified as the non-recovery group. Patients'clinical data and radiographic parameters like lordosis angle, range of motion and intervertebral rotational angle were analyzed using binary logistic regression analysis to detect factors significantly related with the occurrence of residual LBP.</p><p><b>RESULTS</b>The average preoperative JOA score of 14.8+/-5.05 improved to 21.59+/-5.51 at the final follow-up. Binary logistic regression analysis revealed that significant predictors of residual LBP were preoperative lumbar lordosis angle and range of motion.</p><p><b>CONCLUSIONS</b>Our results suggest that patients with flat back and limited lumbar mobility before surgery tend to have poor results in terms of LBP. Therefore, these sagittal radiographic parameters should be taken into account when choosing laminectomy as the surgical option for LCS.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Spinal Stenosis / Spine / General Surgery / Diagnostic Imaging / Radiography / Retrospective Studies / Treatment Outcome / Low Back Pain / Laminectomy Type of study: Diagnostic study / Observational study / Prognostic study Limits: Aged / Female / Humans / Male Language: English Journal: Chinese Journal of Traumatology Year: 2008 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Spinal Stenosis / Spine / General Surgery / Diagnostic Imaging / Radiography / Retrospective Studies / Treatment Outcome / Low Back Pain / Laminectomy Type of study: Diagnostic study / Observational study / Prognostic study Limits: Aged / Female / Humans / Male Language: English Journal: Chinese Journal of Traumatology Year: 2008 Type: Article