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Anterior versus posterior approach for the therapy of multilevel cervical spondylotic myelopathy: a meta-analysis and systematic review

  • Orthopaedic Surgery
  • Published:
Archives of Orthopaedic and Trauma Surgery Aims and scope Submit manuscript

Abstract

Background

The goal of this meta-analysis is to explore the overall efficacy as well as the safety of anterior versus posterior approach for the therapy of patients with multilevel cervical spondylotic myelopathy based on qualified studies.

Methods

Three electronic databases, PubMed, Cochrane, Embase were searched updated to January 2018 to identify all relevant and qualified studies using the index words. The qualified studies were including prospective or retrospective comparative studies. Relative risk (RR) and mean difference (MD) along with 95% confidence interval (95% CI) were used to analyze the main outcomes.

Results

In this meta-analysis, there were a total of 24 studies with 959 patients in the anterior approach group and 1072 patients in the posterior approach group. The final results showed, in comparison of the posterior approach group, the anterior approach group significantly increased the JOA score (SMD: 0.36, 95% CI 0.10–0.62), the operation time (WMD: 49.87, 95% CI 17.67–82.08), and the neurological recovery rate (WMD: 10.55, 95% CI 3.99–17.11) with higher complication rate (RR: 1.53, 95% CI 1.24–1.89). Besides, there was no significant difference of the blood loss (SMD: − 0.40, 95% CI − 1.12 to 0.32) and ROM (SMD: − 0.28, 95% CI − 0.78 to − 0.22) between posterior approach group and anterior approach group.

Conclusions

Studies found a significant increase of JOA score as well as neurological recovery rate by the anterior approach treatment when compared with posterior approach treatment. However, increased operation time and complications could also occur through the anterior approach treatment. More high-quality randomized controlled trials with larger sample size, multi-centric and longer follow-ups are needed to support our current conclusions.

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Funding

This study was supported by Key Research Projects in Medical Science (2007) (Grant no. 20170278).

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Author notes

  1. Long Zhang and Jia Chen Co-first authors.

Authors and Affiliations

  1. Department of Orthopedics, Hebei General Hospital, No. 348 Heping East Road, Shijiazhuang, 050051, Hebei, China

    Long Zhang, Jia Chen, Can Cao, Ya-Zhou Zhang, Li-Fang Shi, Jin-Shuai Zhai, Teng Huang & Xi-Cheng Li

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  1. Long Zhang
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Correspondence to Xi-Cheng Li.

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Zhang, L., Chen, J., Cao, C. et al. Anterior versus posterior approach for the therapy of multilevel cervical spondylotic myelopathy: a meta-analysis and systematic review. Arch Orthop Trauma Surg 139, 735–742 (2019). https://doi.org/10.1007/s00402-018-03102-6

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