Bifocal Techniques for Non-Union and Deformity
Patients with limb shortening and diaphyseal bone loss or deformity (angulation and/or non-union) secondary to trauma have caused a considerable challenge to orthopaedic surgeons. Deformity correction alone using modern techniques such as nailing and external fixation may leave residual shortening, resulting in concomitant disability. Segmental skeletal defects due to trauma or resection of bone for infection have conventionally been treated with massive autogenous cancellous bone grafts (Christian et al 1989), or vascularized bone grafts (Weiland et al 1983a, 1983b). In the case of infection, sequestration of the graft is a problem. In such situations resection of the bone, granulation of the bed and Papineau type open grafting (Papineau et al 1979) have been used. These methods may not be capable of allowing realignment or restoration of limb length and may be associated with significant donor site morbidity.
KeywordsExternal Fixation Docking Site Limb Length Discrepancy Bone Transport Circular Frame
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