Zhonghua wai ke za zhi [Chinese journal of surgery]
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Zhonghua Wai Ke Za Zhi · Sep 2012
Meta Analysis[Unilateral versus bilateral pedicle screw fixation in lumbar spinal fusion: a meta-analysis of available evidence].
To evaluate the effectiveness of unilateral versus bilateral pedicle screw fixation in lumbar spinal fusion. ⋯ Both unilateral and bilateral pedicle screw fixation are effective in lumbar spinal fusion. To compare with bilateral fixation, unilateral fixation can shorten operation time, reduce amount of bleeding and medical expenses. And there is a similar effect of inpatient stay, fusion rate, complication rate and excellent and good rate.