Document Detail

Prevalence of segmental wire breakage using Cotrel-Dubousset instrumentation in the management of idiopathic scoliosis.
MedLine Citation:
PMID:  9055368     Owner:  NLM     Status:  MEDLINE    
STUDY DESIGN: This is a retrospective radiographic and medical record analysis of 77 patients. OBJECTIVES: To determine whether there is an increased prevalence of segmental sublaminar wire breakage associated with the knurled (diamond) pattern machined onto the Cotrel-Dubousset rod as opposed to a smooth rod. SUMMARY OF BACKGROUND DATA: Segmental fixation of vertebral segments with sublaminar wires is a common surgical technique, and the use of sublaminar wires with a knurled Cotrel-Dubousset rod theoretically could cause premature wire breakage. METHODS: Sixty-six patients with idiopathic scoliosis had the Cotrel-Dubousset (knurled rod) system and comprised the study group, and the Texas Scottish Rite Hospital system (smooth rod) was placed in 14 patients, who served as a control group. Serial radiographs after 3, 6, 12, and 24 months were reviewed. All patients had augmentation of their scoliosis constructs with 16-gauge sublaminar wires in the lumbar spine. Minimum follow-up period was 24 months. RESULTS: No wire breakage was noted in any patient. CONCLUSIONS: There is no increased likelihood that the knurled rod pattern will cause wire breakage, provided a solid fusion is obtained.
M Ward; R R Betz; D H Clements; B A Cole
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Spine     Volume:  22     ISSN:  0362-2436     ISO Abbreviation:  Spine     Publication Date:  1997 Feb 
Date Detail:
Created Date:  1997-05-23     Completed Date:  1997-05-23     Revised Date:  2009-07-09    
Medline Journal Info:
Nlm Unique ID:  7610646     Medline TA:  Spine (Phila Pa 1976)     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  406-7     Citation Subset:  IM    
Shriners Hospitals for Children, Philadelphia, Pennsylvania, USA.
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MeSH Terms
Bone Wires / adverse effects*
Equipment Failure
Medical Records
Orthopedic Fixation Devices / adverse effects*
Retrospective Studies
Scoliosis / radiography,  surgery*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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