Document Detail

Do Anterior Cervical Osteophytes Prevent Dynamization of Cervical Dynamic Plates?
MedLine Citation:
PMID:  24335724     Owner:  NLM     Status:  Publisher    
STUDY DESIGN:: A retrospective study OBJECTIVE:: To evaluate radiographic changes of patients with osteophytes at the anterior border of the caudal vertebral body who were treated with anterior cervical discectomy and fusion (ACDF) using dynamic rotational plates.
SUMMARY OF BACKGROUND DATA:: Dynamic cervical plates are widely used in surgeries of the anterior cervical spine. One concern in using dynamic plates is that the subjacent anterior osteophytes might act as a bony block and prevent dynamization of the plate. To our knowledge, there are no studies that have investigated the validity of this concern.
METHODS:: Twenty eight patients were selected for the study out of patients who had undergone one level ACDF using a dynamic rotational plate. They were divided into two groups based on the presence of osteophytes located at the anterior border of the subjacent vertebrae. Thirteen patients had osteophytes and 15 control patients did not. The mean follow-up period was 10.8±8.4 months (range, 6-36▒mo). Lateral radiographs were taken preoperatively, immediately post-operatively and at the final follow-ups to assess changes in the following radiographic parameters: Cobb's angle of the adjacent segments and fused segment, horizontal distance between C2 and C7 plumb lines, height of the bone graft, vertebral heights of the operated segment, and migration distance of the plate.
RESULTS:: No statistical significance was found in the Cobb angles of the adjacent segments and fused segment, distance between the C2-C7 plumb lines, height of the graft, height of vertebral bodies of the operated segment, and migration distance of the plate through the preoperative, postoperative and final follow ups between the two groups.
CONCLUSIONS:: Osteophytes did not appear to affect the dynamization of plates in any of the measured radiographic parameters.
Moon Soo Park; Seong-Hwan Moon; Hwan-Mo Lee; Seok Woo Kim; Tae-Hwan Kim; Seul Ki Min; Bo-Kyung Suh; K Daniel Riew
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-12-11
Journal Detail:
Title:  Journal of spinal disorders & techniques     Volume:  -     ISSN:  1539-2465     ISO Abbreviation:  J Spinal Disord Tech     Publication Date:  2013 Dec 
Date Detail:
Created Date:  2013-12-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101140323     Medline TA:  J Spinal Disord Tech     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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