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Clinical Trial Summary

There has been a growing trend amongst surgeons to use a construct for correction of scoliosis which involves segmental instrumentation with pedicle screws. Pedicle screw proponents cite greater curve control in all planes, which results in improved spinal curve correction. Some surgeons have noted due to the increased strength of the all screw construction that the rod is now the weak part of the spinal fixation. Although no evidence has been raised in regards to hardware failure there is a perception that a loss of balance in the sagittal plane is the result of flex in the titanium rod. A novel solution to the issue of rod flexibility is raised with the expedium super steel instrumentation which allows for greater stiffness than a 5.5 mm titanium rod with the same lower profile. This study aims to compare the new super steel technology with other established instrumentations used to correct spinal stenosis.


Clinical Trial Description

screw purchase was to be recorded but study has been withdrawn. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00768313
Study type Interventional
Source Queen's University
Contact
Status Withdrawn
Phase Phase 4
Start date September 2008
Completion date April 2010

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