No benefits found with addition of dynamic fixation to single-level fusion of lumbar spine
Dynamic stabilization adjacent to single-level fusion: part II. No clinical benefit for asymptomatic, initially degenerated adjacent segments after 6 years follow-upEur Spine J. 2010 Dec;19(12):2181-9
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60 patients scheduled for anterior-posterior spondylodesis for treatment of degeneration of L4/L5 or L5/S1 were randomly divided to receive a single-level fusion or a single-level fusion with dynamic fixation of the degenerated segment adjacent to the one being fused. Fusions and degenerative progression measured by a radiologist, functional outcomes and pain were assessed preoperatively and at 12...
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