Treatment for 42 cases with degenerative lumbar instability with pedicle screw fixation combined with interbody fusion

Objective:To investigate the clinical effects of treatment degenerative lumbar instability with pedicle screw fixation combined with interbody fusion.Methods:Forty-two patients with degenerative lumbar instability were treated with pedicle screw fixation combined with interbody fusion.Results:All cases were followed up for 6 months to 5 years.The bony fusions and no fixation failure were detected in postoperative 4 to 6 months,and the lower limbs pain were significantly relieved.The excellent in 31 cases,good in 9 cases and fair in 2 cases were confirmed and the excellent and good rate was 95.2%.Conclusions:Pedicle screw fixation combined with interbody fusion is effective way for treating the degenerative lumbar instability.