Zhongguo gu shang = China journal of orthopaedics and traumatology
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To evaluate therapeutic effects of Wallis interspinous dynamic stabilization in treating ASD after lumbar spinal fusion. ⋯ There is no difference in immediate effects between two groups. Both of them can obtain good results for effective decompression. Medial-term effectiveness of treatment group is obviously better than control group, which depends on Wallis interspinous dynamic stabilization to plays good biology effects and effective accelerate adjacent degeneration caused by lumbar fusion.