Pedicle Screw-Based Posterior Dynamic Stabilization: Literature Review

Posterior dynamic stabilization (PDS) indicates motion preservation devices that are aimed for surgical treatment of activity related mechanical low back pain. A large number of such devices have been introduced during the last 2 decades, without biomechanical design rationale, or clinical evidence...

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Bibliographic Details
Published in:Advances in Orthopedics 2012-01, Vol.2012 (2012), p.120-126
Main Authors: Sengupta, Dilip K., Herkowitz, Harry N.
Format: Article
Language:English
Subjects:
Review
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Summary:Posterior dynamic stabilization (PDS) indicates motion preservation devices that are aimed for surgical treatment of activity related mechanical low back pain. A large number of such devices have been introduced during the last 2 decades, without biomechanical design rationale, or clinical evidence of efficacy to address back pain. Implant failure is the commonest complication, which has resulted in withdrawal of some of the PDS devices from the market. In this paper the authors presented the current understanding of clinical instability of lumbar motions segment, proposed a classification, and described the clinical experience of the pedicle screw-based posterior dynamic stabilization devices.
ISSN:2090-3464
2090-3472
DOI:10.1155/2012/424268