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Skeletal Radiology
Published in: Skeletal Radiology 3/2007

01-03-2007 | Technical Report

Calculation of rotational deformity in pediatric supracondylar humerus fractures

Authors: Eric R. Henderson, Kenneth A. Egol, Harold J. P. van Bosse, Mark E. Schweitzer, Sarah K. Pettrone, David S. Feldman

Published in: Skeletal Radiology | Issue 3/2007

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Abstract

Objective

Supracondylar humerus fractures (SCHF) are common in the pediatric population. Cubitus varus deformity (CVD) is the most common long-term complication of SCHFs and may lead to elbow instability and deficits in throwing or extension. Distal fragment malrotation in the axial plane disposes to fragment tilt and CVD; however, no simple method of assessing fracture malrotation exists. This study tested a mathematical method of measuring axial plane malrotation in SCHFs based on plain radiographs.

Design

A pediatric SCHF model was made, and x-rays were taken at known intervals of rotation. Five independent, blinded observers measured these films. Calculated rotation for each data set was compared to the known rotation. The identical protocol was performed for an aluminum phantom.

Results

The reliability and agreement of the rotation values were good for both models.

Conclusions

This method is a reliable, accurate, and cost-effective means of calculating SCHF distal fragment malrotation and warrants clinical application.
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Metadata
Title
Calculation of rotational deformity in pediatric supracondylar humerus fractures
Authors
Eric R. Henderson
Kenneth A. Egol
Harold J. P. van Bosse
Mark E. Schweitzer
Sarah K. Pettrone
David S. Feldman
Publication date
01-03-2007
Publisher
Springer-Verlag
Published in
Skeletal Radiology / Issue 3/2007
Print ISSN: 0364-2348
Electronic ISSN: 1432-2161
DOI
https://doi.org/10.1007/s00256-006-0211-4

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