Russ P Nockels1. 1. Department of Neurological Surgery, Loyola University Medical Center, Maywood, IL, USA. rpnockels@mac.com
Abstract
STUDY DESIGN: A literature review. OBJECTIVE: To evaluate the mechanisms of action and effectiveness of posterior dynamic stabilization devices in the management of painful spinal disorders. SUMMARY OF BACKGROUND DATA: Dynamic stabilization may provide pain relief by altering the transmission of abnormal loads across the degenerated disc space. METHODS: A Medline search was conducted. RESULTS: Articles supporting abnormal load transmission across the disc space and clinical reviews of currently available posterior dynamic systems were included. CONCLUSIONS: Posterior dynamic stabilization systems may provide benefit comparable to fusion techniques, but without the elimination of movement. Further study is required to determine optimal design and clinical indications.
STUDY DESIGN: A literature review. OBJECTIVE: To evaluate the mechanisms of action and effectiveness of posterior dynamic stabilization devices in the management of painful spinal disorders. SUMMARY OF BACKGROUND DATA: Dynamic stabilization may provide pain relief by altering the transmission of abnormal loads across the degenerated disc space. METHODS: A Medline search was conducted. RESULTS: Articles supporting abnormal load transmission across the disc space and clinical reviews of currently available posterior dynamic systems were included. CONCLUSIONS: Posterior dynamic stabilization systems may provide benefit comparable to fusion techniques, but without the elimination of movement. Further study is required to determine optimal design and clinical indications.
Authors: Thomas W Lawhorne; Federico P Girardi; Curtis A Mina; Iaonnis Pappou; Frank P Cammisa Journal: Eur Spine J Date: 2009-03-28 Impact factor: 3.134
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