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Postoperative Scar in the Control Excess of Mobility Induced by Annulus Removal on Inserting a Lumbar Disc Prosthesis

Lumbar Disc Disease Clinical Trial

Official title:
Effect of the Postoperative Prevertebral Scar on Controlling Excess After Removing the Anterior Lumbar Disc Annulus Fibrosus to Implant a Lumbar Disc Prosthesis. Biomechanical and Clinical Study

Clinical Trial Summary

To implant a complete lumbar disc prosthesis removal of the anterior portion of the annulus fibrosus is required. As the anterior portion of the annulus limits the movement in extension and axial rotation, we would like to know how much increase these two disc movements and also the effect on the postoperative prevertebral scar on the reduction of these abnormal movement ranges. We also aim to see if repairing intraoperatively the anterior portion of the annulus has any advantage in the final result achieved.

Clinical Trial Description

To implant a complete lumbar disc prosthesis removal of the anterior portion of the annulus fibrosus is required. It is known that the anterior portion of the annulus limits the movement in extension and axial rotation, so removal of this section of the annulus fibrosus will increase the range of movement in extension and axial rotation. As far as the investigators know, this increase in movement ranges has not been measured objectively in alive patients. Also the investigators would like to know if the postoperative prevertebral scar reduces an to what extent these abnormal movement ranges. This could help the investigators to decide when patients should be allowed to regain normal activities and specially, when the patients should be allowed to start working again. The investigators also aim to see if repairing intraoperatively the anterior portion of the annulus has any advantage in the final result achieved, and thus represents an improvement or not in the care of these patients ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04641039
Study type Interventional
Source University of Valencia
Contact Vicente Vanaclocha, MDPhD
Phone + 34 963 13 18 00
Email vivava@uv.es; vvanaclo@hotmail.com
Status Recruiting
Phase N/A
Start date November 1, 2020
Completion date April 28, 2025
View Details
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