To perform a randomized controlled trial to assess the effectiveness and cost-effectiveness of lumbar fusion and use of instrumentation in the surgical management of patients with degenerative lumbar spinal stenosis.
Specific aims of Development and Feasibility Study: (1) Design multicenter randomized controlled trial; in particular, establish consensus among surgeon co-investigators on criteria for randomization to fusion and to instrumentation; (2) Collect pilot data to document the feasibility of a multicenter randomized controlled study of spinal fusion and examine preliminary results.
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