This article is a systematic review and meta-analysis on the survivorship of commonly performed cervical spine procedures. The study aims to develop survival function curves for second surgery at any cervical level and adjacent level surgery. The researchers conducted a systematic review following PRISMA guidelines and included articles with cohorts of over 20 patients followed for at least 36 months with available survival data. The procedures included in the analysis were anterior cervical discectomy and fusion (ACDF), cervical disc arthroplasty (ADR), laminoplasty (LAMP), and posterior laminectomy and fusion (PDIF). The results showed that ADR and PDIF had a higher risk of second surgery compared to ACDF, while LAMP had a lower risk. ADR also decreased the risk of adjacent level surgery. The study concludes that anterior procedures generally have better survivorship than fusion procedures, and laminoplasty has superior survivorship among all procedures
Summarised by Mr Mo Akmal – Lead Spinal Surgeon
The London Spine Unit : best rated spine centre in London
Published article
CONCLUSIONS: In cases of clinical equipoise between fusion procedures, our analysis suggests superior survivorship with anterior procedures. For all procedures, laminoplasty demonstrated superior survivorship.
Cervical Disc Arthroplasty Surgery Expert. Best Spinal Surgeon UK
Abstract Study design: Systematic Review. Objectives: To conduct a meta-analysis on the survivorship of commonly performed cervical spine procedures to develop survival function curves for (i) second surgery at any cervical level, and (ii) adjacent level surgery. Methods: A systematic review of was conducted following PRISMA guidelines. Articles with cohorts of greater than 20 patients,
Abstract
Study design: Systematic Review.
Objectives: To conduct a meta-analysis on the survivorship of commonly performed cervical spine procedures to develop survival function curves for (i) second surgery at any cervical level, and (ii) adjacent level surgery.
Methods: A systematic review of was conducted following PRISMA guidelines. Articles with cohorts of greater than 20 patients followed for a minimum of 36 months and with available survival data were included. Procedures included were anterior cervical discectomy and fusion (ACDF), cervical disc arthroplasty (ADR), laminoplasty (LAMP), and posterior laminectomy and fusion (PDIF). Reconstructed individual patient data were pooled across studies using parametric Bayesian survival meta-regression.
Results: Of 1829 initial titles, 16 citations were included for analysis. 73 811 patients were included in the second surgery analysis and 2858 patients in the adjacent level surgery analysis. We fit a Log normal accelerated failure time model to the second surgery data and a Gompertz proportional hazards model to the adjacent level surgery data. Relative to ACDF, the risk of second surgery was higher with ADR and PDIF with acceleration factors 1.73 (95% CrI: 1.04, 2.80) and 1.35 (95% CrI: 1.25, 1.46) respectively. Relative to ACDF, the risk of second surgery was lower with LAMP with deceleration factor .06 (95% CrI: .05, .07). ADR decreased the risk of adjacent level surgery with hazard ratio .43 (95% CrI: .33, .55).
Conclusions: In cases of clinical equipoise between fusion procedures, our analysis suggests superior survivorship with anterior procedures. For all procedures, laminoplasty demonstrated superior survivorship.
Keywords: anterior cervical discectomy and fusion; cervical disc arthroplasty; degenerative cervical myelopathy; survivorship curve.
The London Spine Unit : best rated spine centre in London
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Long-Term Survivorship of Cervical Spine Procedures; A Survivorship Meta-Analysis and Meta-Regression