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Comparison between anterior cervical discectomy with fusion and anterior cervical corpectomy with fusion for the treatment of cervical spondylotic myelopathy: a meta-analysis

Authors Fei Q, Li J, Su N, Wang B, Li D, Meng H, Wang Q, Lin J, Ma Z, Yang Y

Received 12 August 2015

Accepted for publication 2 October 2015

Published 17 November 2015 Volume 2015:11 Pages 1707—1718


Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Hoa Le

Peer reviewer comments 2

Editor who approved publication: Professor Deyun Wang

Qi Fei,* Jinjun Li,* Nan Su, Bingqiang Wang, Dong Li, Hai Meng, Qi Wang, Jisheng Lin, Zhao Ma, Yong Yang,

Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, People’s Republic of China

*These authors contributed equally to this work

Background: Whether anterior cervical discectomy with fusion (ACDF) or anterior cervical corpectomy with fusion (ACCF) is superior in the treatment of cervical spondylotic myelopathy remains controversial. Therefore, we conducted a meta-analysis to quantitatively compare the efficacy and safety of ACDF and ACCF in the treatment of cervical spondylotic myelopathy.
Methods: PubMed, Embase, Web of Science, SinoMed (Chinese BioMedical Literature Service System, People’s Republic of China), and CNKI (China National Knowledge Infrastructure, People’s Republic of China) were systematically searched to identify all available studies comparing efficacy and safety between patients receiving ACDF and ACCF. The weighted mean difference (WMD) was pooled to compare the Japanese Orthopaedic Association scores, visual analog scale scores, hospital stay, operation time, and blood loss. The risk ratio was pooled to compare the incidence of complications and fusion rate. Pooled estimates were calculated by using a fixed-effects model or a random-effects model according to the heterogeneity among studies.
Results: Eighteen studies (17 observational studies and one randomized controlled trial) were included in this meta-analysis. Our results suggest that hospital stay (WMD =-1.33, 95% confidence interval [CI]: -2.29, -0.27; P=0.014), operation time (WMD =-26.9, 95% CI: -46.13, -7.67; P=0.006), blood loss (WMD =-119.36, 95% CI: -166.94, -71.77; P=0.000), and incidence of complications (risk ratio =0.51, 95% CI: 0.33, 0.80; P=0.003) in the ACDF group were significantly less than that in the ACCF group. However, other clinical outcomes, including post-Japanese Orthopaedic Association score (WMD =-0.27, 95% CI: -0.57, 0.03; P=0.075), visual analog scale score (WMD =0.03, 95% CI: -1.44, 1.50; P=0.970), and fusion rate (risk ratio =1.04, 95% CI: 0.99, 1.09; P=0.158), between the two groups were not significantly different.
Conclusion: Evidence from the meta-analysis of 18 studies demonstrated that surgical options of cervical spondylotic myelopathy using ACDF or ACCF seemed to have similar clinical outcomes. However, ACDF was found to be superior to ACCF in terms of hospital stay, operation time, blood loss, and incidence of complications.

Keywords: anterior cervical discectomy with fusion, anterior cervical corpectomy with fusion, cervical spondylotic myelopathy, meta-analysis

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