Niek Koenders1, Alison Rushton2, Martin L Verra3, Paul C Willems4, Thomas J Hoogeboom5, J Bart Staal5,6. 1. Orthopaedics Department, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands. niek.koenders@radboudumc.nl. 2. Centre of Precision Rehabilitation for Spinal Pain, School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, UK. 3. Department of Physiotherapy, Insel Group, Bern University Hospital, Bern, Switzerland. 4. Maastricht University Medical Centre, Maastricht, The Netherlands. 5. IQ Healthcare, Radboud Institute for Health Sciences, Radboud University Medical Center, Nijmegen, The Netherlands. 6. Research Group Musculoskeletal Rehabilitation, HAN University of Applied Sciences, Nijmegen, The Netherlands.
Abstract
PURPOSE: Lumbar spinal fusion (LSF) is frequently and increasingly used in lumbar degenerative disorders despite conflicting results and recommendations. A thorough understanding of patient outcomes after LSF is required to inform decisions regarding surgery and to improve post-surgery management. The current study aims to evaluate the course of pain and disability in patients with degenerative disorders of the lumbar spine after first-time LSF. METHODS: A systematic review and meta-analysis of pain and disability outcomes in prospective cohort studies up to 31 March 2017 is identified in four electronic databases. Two independent researchers determined study eligibility, extracted data, and assessed risk of bias (modified Quality in Prognostics tool). A random effects model (maximum likelihood) was used to calculate means and 95% confidence intervals. The primary analysis was performed on complete data, and a sensitivity analysis was performed on all data. RESULTS: Twenty-five studies (n = 1777 participants) were included. The mean (95% confidence interval) Visual Analogue Scale (VAS) back pain (n = 9 studies) decreased from 64 (57-71) pre-surgery to 20 (16-24) at 24-month follow-up. Leg pain (n = 9 studies) improved from VAS 70 (65-74) pre-surgery to 17 (12-23) at 24-month interval. Disability (n = 12 studies), measured with the Oswestry Disability Index, decreased from 44.8 (40.1-49.4) pre-surgery to 17.3 (11.9-22.8) at 24-month follow-up. The sensitivity analysis yielded similar results. CONCLUSION: There is a substantial improvement in pain and disability after first-time LSF for degenerative disorders. However, long-term outcomes indicate that leg pain might be more reduced and for a longer period of time than axial back pain and disability. Registration PROSPERO CRD42015026922. These slides can be retrieved under Electronic Supplementary Material.
PURPOSE: Lumbar spinal fusion (LSF) is frequently and increasingly used in lumbar degenerative disorders despite conflicting results and recommendations. A thorough understanding of patient outcomes after LSF is required to inform decisions regarding surgery and to improve post-surgery management. The current study aims to evaluate the course of pain and disability in patients with degenerative disorders of the lumbar spine after first-time LSF. METHODS: A systematic review and meta-analysis of pain and disability outcomes in prospective cohort studies up to 31 March 2017 is identified in four electronic databases. Two independent researchers determined study eligibility, extracted data, and assessed risk of bias (modified Quality in Prognostics tool). A random effects model (maximum likelihood) was used to calculate means and 95% confidence intervals. The primary analysis was performed on complete data, and a sensitivity analysis was performed on all data. RESULTS: Twenty-five studies (n = 1777 participants) were included. The mean (95% confidence interval) Visual Analogue Scale (VAS) back pain (n = 9 studies) decreased from 64 (57-71) pre-surgery to 20 (16-24) at 24-month follow-up. Leg pain (n = 9 studies) improved from VAS 70 (65-74) pre-surgery to 17 (12-23) at 24-month interval. Disability (n = 12 studies), measured with the Oswestry Disability Index, decreased from 44.8 (40.1-49.4) pre-surgery to 17.3 (11.9-22.8) at 24-month follow-up. The sensitivity analysis yielded similar results. CONCLUSION: There is a substantial improvement in pain and disability after first-time LSF for degenerative disorders. However, long-term outcomes indicate that leg pain might be more reduced and for a longer period of time than axial back pain and disability. Registration PROSPERO CRD42015026922. These slides can be retrieved under Electronic Supplementary Material.
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