Abstract
Cerebral palsy in children, which is the result of a nonprogressing damage to the central nervous system, causes motor and posture disorders that change with age. The level of child activity correlates with the hip dislocation risk. It most often affects nonwalking patients and those with tetraparesis or oblique pelvis. The aim of the study was to assess the effectiveness and clinical value of Dega pelvic osteotomy with accompanying directional femoral bone osteotomy after minimum of 20 years from surgery of patients with cerebral palsy. The conducted research was retrospective and concerned the children operated at our Hospital. The assessment was carried out in 346 children with spastic hip during the years 1993-2000. The inclusion criteria were applied: unilateral dislocation of the hip, the observation period of at least 20 years, pelvic osteotomy by Dega method and combined with varus derotation femur osteotomy. The analysis involved fifteen patients. The follow-up period was minimum 20 years (20-27 years). The average migration percentage decreased from 88% down to 25%, and an improved range of mobility was observed in the operated joint after surgery. However, the range of mobility was again significantly reduced during the last control examination after a minimum of 20 years. In all hips, the degenerative joint disease was present. Pelvic transiliac osteotomy, according to Dega, with VDRO, ensures very effective correction of the deficit in femoral head coverage by the acetabulum in the upper, lateral and posterior parts. However, it does not prevent the development of the early degenerative disease of the joint.
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