Document Detail

A study of the radiologic predictors of curve flexibility in adolescent idiopathic scoliosis.
MedLine Citation:
PMID:  18458593     Owner:  NLM     Status:  MEDLINE    
STUDY DESIGN: A study of flexibility of 101 idiopathic scoliosis antero-posterior radiographs. OBJECTIVE: To discover if there are any parameters on plain antero-posterior radiographs that can predict the flexibility of scoliosis curves. SUMMARY OF BACKGROUND DATA: Previously the flexibility index, generated from fulcrum bending x-rays, has been shown to be an accurate measure of curve stiffness. METHODS: Five postulated predictors of flexibility, measured on 101 immediate preoperative scoliosis radiographs, were compared with the flexibility index generated from fulcrum bending radiographs. Correlation between the 5 parameters and flexibility index was studied. Further analysis was performed to assess the significance of curve location in prediction of flexibility. Linear regression analysis was used. RESULTS: Linear regression including all 5 predictors showed Cobb angle and age to be the only significant predictors of flexibility. When Cobb angle and age were analyzed with location (thoracic, thoracolumbar) this was also found to be a significant factor. CONCLUSIONS: Cobb angle, age, and curve location are useful predictors of flexibility on antero-posterior radiographs. This may aid preoperative planning in the out-patients department.
Jonathan Andrew Clamp; John Robert Andrews; Michael Paul Grevitt
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of spinal disorders & techniques     Volume:  21     ISSN:  1536-0652     ISO Abbreviation:  J Spinal Disord Tech     Publication Date:  2008 May 
Date Detail:
Created Date:  2008-05-09     Completed Date:  2008-07-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101140323     Medline TA:  J Spinal Disord Tech     Country:  United States    
Other Details:
Languages:  eng     Pagination:  213-5     Citation Subset:  IM    
Department of Trauma and Orthopaedics, Derbyshire Royal Infirmary, Derbyshire, UK.
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MeSH Terms
Age Factors
Predictive Value of Tests
Preoperative Care
Range of Motion, Articular*
Scoliosis / physiopathology,  radiography*
Severity of Illness Index

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

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