Minimally invasive decompression versus x-stop in lumbar spinal stenosis: a randomized controlled multicenter study.

Study Design.Prospective randomized controlled multicenter study.Objective.To compare the effect of X-Stop with minimally invasive decompression (MID) in patients with neurogenic intermittent claudication due to lumbar spinal stenosis.Summary of Background Data.Lumbar spinal stenosis is the most com