Treatment of interprosthetic femoral fractures with an interposition prosthesis

Treatment of interprosthetic femoral fractures following ipsilateral total hip and hinged knee arthroplasty is challenging, particularly when there is severe bone loss. When open reduction with internal plate fixation is not possible, a total femur replacement may be considered (Friesecke et al. 2005, Peters et al. 2006). Here we describe a new surgical technique for the treatment of these fractures using an interposition prosthesis and we present our results from 4 cases.