Spinal fusion long-term results are similar with or without pedicle screw instrumentation .
The positive effect of posterolateral lumbar spinal fusion is preserved at long-term follow-up: A RCT with 11-13 year follow-up
Eur Spine J. 2008 Feb;17(2):272-80129 patients undergoing posterolateral lumbar spinal fusion were randomized to a procedure with or without pedicle screw instrumentation to compare the long-term outcomes of each method. Results from a 10 year follow-up indicated that both groups demonstrated significant improvements in all aspects of the Dallas Pain Questionnaire. Between group comparisons revealed no significant differences between instrumentation and non-instrumentation procedures.
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