Chinese Journal of Clinical Anatomy >
Comparative study of expandable interbody cage and pedicle screw fixationin treating lumbar instability disease
Received date: 2013-12-01
Online published: 2014-04-21
Objective To investigate the surgical outcome of expandable interbody cage and pedicle screw fixation with intervertebral body fusion for lumbar instable disease by comparative study. Methods ninety-three patients with degenerative lumbar instability were reviewed retrospectively from Jan．2007 to Jan. 2010. Forty-three patients underwent an expandable interbody cage (group A), while fifty cases underwent a pedicle screw fixation with intervertebral body fusion (group B). operation and follow-up data of the two groups and were evaluated and compared. Results All patients were followed up for 3 years. Reduced operative time, blood loss , postoperative complications of patients could be found in Group A can and JOA score at postoperative 14d and followed up for 1-3 years of patients in the two groups , intervertebral fusion rate, intervertebral height showed no significant difference(P>0.05). Conclusion Two surgical methods are both optional in lumbar spine instabable disease. When patients were carefully chosen prior to operation and the posterior lumbar structure was retained in operation, expandable interbody fusion can achieve good therapeutic effect.
LIU En-Zhi , YIN Qiang-Shui , GUO Dong-Meng . Comparative study of expandable interbody cage and pedicle screw fixationin treating lumbar instability disease[J]. Chinese Journal of Clinical Anatomy, 2014 , 32(2) : 217 -220 . DOI: 10.13418/j.issn.1001-165x.2014
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