Loss of spine segmental motion lower with disc prosthesis vs ACDF for disc herniation .
Disc replacement using Pro-Disc C versus fusion: a prospective randomised and controlled radiographic and clinical study
Eur Spine J. 2007 Mar;16(3):423-30. Epub 2006 Nov 1433 patients with a symptomatic soft disc herniation were randomized to either receive a cervical spine disc prosthesis or anterior cervical discectomy and fusion (ACDF) as treatment for this condition. this study aimed to comparatively evaluate segmental motion following implantation. The results at the 6 month follow up period indicated that the use of both a disc prosthesis, as well as anterior cervical discectomy and fusion, decreased cervical spine segmental motion. A higher loss of motion, however, was seen in those who received the ACDF procedure.
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