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J Am Acad Orthop Surg, Vol 15, No 11, November 2007, 640-646.
© 2007 the American Academy of Orthopaedic Surgeons
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Dynamic Anterior Cervical Plates

John M. Rhee, MD and K. Daniel Riew, MD

Dr. Rhee is Assistant Professor, Orthopaedic Surgery, Emory Spine Center, Emory University School of Medicine, Atlanta, GA. Dr. Riew is Professor, Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO.

Neither Dr. Rhee nor a member of his immediate family has received anything of value from or owns stock in a commercial company or institution related directly or indirectly to the subject of this article. Dr. Riew or a member of his immediate family has received research or institutional support from Medtronic, has received royalties from EBI, and serves as a consultant to or is an employee of Medtronic.

Reprint requests: Dr. Rhee, Emory Spine Center, Suite 3000, 59 Executive Park South, Atlanta, GA 30329.

Graft- and plate-related complications are not uncommon problems associated with anterior cervical fusion surgery. Although the reasons for such complications are protean, one potential set of etiologies centers on plate design. Dynamic cervical plates, which allow for better load sharing while providing overall resistance to motion, address perceived biomechanical deficiencies of rigid cervical plates. However, despite the theoretic advantages of dynamic plating over rigid plate fixation, there are concerns that settling associated with dynamic plates could lead to segmental kyphosis or foraminal narrowing and that excessive motion may lead to inferior fusion rates. The surgeon using these implants should be familiar with differences among the various types of dynamic plates and should perform the plating procedure appropriately to accommodate the expected settling.






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Copyright © 2007 by the American Academy of Orthopaedic Surgeons.