Objective: A systematic review and partial meta-analysis is conducted to compare the efficacy and safety of anterior cervical decompression and fusion procedures employing either rectangular titanium cages or iliac crest autografts in patients suffering from cervical degenerative disc diseases.Methods: Medline, PubMed, CENTRAL, and Google Scholar databases were searched up to June 2015, using the key words cervical discectomy; bone transplantation; titanium cages; and iliac crest autografts. Outcomes of interbody fusion rates were compared using odds ratios (ORs) with 95% confidence intervals (CIs). Values of the Japanese Orthopaedic Association score, and visual analog scale before and after operation were also compared.Results: The rate of interbody fusion was similar between patients in the iliac crest autograft and titanium cage groups (pooled OR=0.33, 95% CI=0.07 to 1.66, P=.178). The overall analysis showed that patients in the two groups did not have significantly different post-surgery Japanese Orthopaedic Association score (pooled difference in means=-0.05, 95% CI=0.73 to 0.63, P=.876). Improvement in arm and neck pain scores were assessed with a visual analog scale and differed significantly between patients in the iliac crest autograft and titanium cage groups (pooled difference in means=0.16, 95% CI=-0.44 to 0.76, P=.610; and pooled difference in means=-0.44, 95% CI=-2.23 to 1.36, P=.634, respectively).Conclusions: Our results suggest that the use of titanium cages constitutes a safe and efficient alternative to iliac crest bone autografts for anterior cervical discectomy with fusion.
[1]Fudan Univ, Huashan Hosp, Dept Orthoped, Shanghai 200040, Peoples R China.
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