Dynamic Constructs for Spinal Fusion: An Evidence-Based Review

Michael P. Kelly, James M. Mok, Sigurd Berven

Research output: Contribution to journalReview articlepeer-review

22 Scopus citations


Dynamic stabilization of the spine has applications in cervical and lumbar degenerative disease and in thoracolumbar trauma. There is little evidence to support the use of dynamic cervical plates rather than rigid anterior cervical fixation. Evidence to support the use of dynamic constructs for fusion in the lumbar spine is also limited. Fusion rates, implant loosening, and failure are significant concerns that limit the adoption of current devices. This article provides a synopsis of the literature on human subjects. There is a need for high-quality evidence for interventions for spinal pathology. An evidence-based approach to the management of spinal disorders will require ongoing assessment of clinical outcomes and comparison of effectiveness between alternatives.

Original languageEnglish
Pages (from-to)203-215
Number of pages13
JournalOrthopedic Clinics of North America
Issue number2
StatePublished - Apr 2010


  • Dynamic
  • Flexible
  • Fusion
  • Rigid
  • Spinal


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