The authors conducted a prospective study in patients with disc herniation. We compared the results obtained in patients treated with the U device with those acquired in patients treated without any device. The u implant is a titanium alloy device that is placed between the spinous processes. In a cohort of patients with degenerative Lumbar Disc underwent surgical treatment in which the U device was placed and control individuals were treated with discectomy alone. Patients underwent serial follow-up evaluations and radiographic assessment was used to determine outcome. Up to ten years follow-up data were obtained in all patients (2005-2006). Statistically significant improvement was seeing patients treated with the coflex device. In the management of lumbar disc degeneration, to avoid lumbar instability in the future 85% vs. 70% (p<0.01). Our study shows that the U device was more effective than the discectomy group in the management of lumbar instability.
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