Transphyseal screws correct coronal deformities faster than growth modulation plates in distal femoral guided growth

Transphyseal screws correct coronal deformities more quickly than growth modulation plates in distal femoral guided growth: study
Hemiepiphysiodesis (guided-growth) procedures have become the primary method of treatment for coronal-plane knee deformities in skeletally immature patients. Two leading techniques involve the use of a transphyseal screw or a growth modulation plate. However, clinical references for the estimation of correction are lacking, and no consensus has been reached regarding the superiority of one technique over the other.
James McGinley et al conducted a study to compare the rates of correction for distal femoral transphyseal screws and growth modulation plates in age and sex-matched cohorts with coronal deformities.
The data of 62 knees treated at Scottish Rite for Children, Frisco, Texas (tertiary pediatric orthopaedic hospital) were retrospectively reviewed. Thirty-one knees were included in each matched cohort. In the plate group, 8 patients had bilateral involvement and 15 patients, unilateral. In the screw group, 12 patients had bilateral involvement, and 7 patients, unilateral. Each case was measured for limb length, mechanical axis deviation (MAD), mechanical lateral distal femoral angle (LDFA), and bone age. Bone age was calculated according to the method of O’Connor et al., a system of anteroposterior epiphyseal knee evaluation based on the findings and atlas by McKern and Stewart.
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