Abstract
The ideal size of intramedullary device to fix corrective osteotomy of proximal femur in abnormal bone in children and small patients may not be easily available. We report the successful use of Rush rod in combination with multiple Kirschner wires to fix the corrective osteotomy of coxa vara and shepherd crook deformity in two patients with osteogenesis imperfecta and fibrous dysplasia. The union was achieved on time, neck shaft angle and rotation were maintained.
Highlights
INTRODUCTIONCoxa vara and shepherd’s crook deformity may occur following multiple stress fractures or mal-union
Coxa vara and shepherd’s crook deformity may occur following multiple stress fractures or mal-union. It is especially common in abnormal bone like fibrous dysplasia and osteogenesis imperfecta
We report the successful modification of the technique described by Fassier et al[1] by Rush rod in combination with Kirschner wires to fix the corrective osteotomy of coxa vara in osteogenesis imperfecta and fibrous dysplasia patients
Summary
Coxa vara and shepherd’s crook deformity may occur following multiple stress fractures or mal-union. It is especially common in abnormal bone like fibrous dysplasia and osteogenesis imperfecta. Correction of these deformities will improve limb length discrepancy. Fixation for corrective osteotomy for coxa vara or shepherd’s crook deformity in abnormal bone like osteogenesis imperfecta and fibrous dysplasia in children and small patients is challenging due to difficulties to obtain appropriate size of intramedullary nail to fit a small bone. We report the successful modification of the technique described by Fassier et al[1] by Rush rod in combination with Kirschner wires to fix the corrective osteotomy of coxa vara in osteogenesis imperfecta and fibrous dysplasia patients
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