Abstract
To conduct an updated systematic review and meta-analysis to compare the efficacy and safety between total disc replacement (TDR) and fusion surgery for lumbar degenerative disc disease (LDDD). We comprehensively searched meta-analyses comparing TDR with fusion through the PubMed, Embase, and Cochrane Library databases. Only randomized controlled trials (RCTs) were selected and collected. The end of the retrieval time was June 2017. Two authors independently extracted the data from the studies after assessing their quality. The statistical software STATA version 12.0 was used to analyze the data. A total of seven RCTs (1706 patients) were included in our analysis. The patients in the TDR group had significantly improved. A greater percentage of these patients were satisfied with the surgery concerning Oswestry disability index, visual analog scale score, and complication rate. In addition, the clinical success in the TDR group was greater than that in the fusion group. Meanwhile, the TDR group had shorter operative time and hospital stay. However, there was no clinical significance regarding blood loss, work status, and reoperation rate between the two groups. Our current updated meta-analysis suggests that TDR could be an alternative treatment for LDDD, since it yielded better clinical success and patient satisfaction, shorter hospital stay and operative time, less pain, and lower complication rates than lumbar fusion.
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