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Impaction grafting in association with the Charnley-Kerboull cemented femoral component

OPERATIVE TECHNIQUE AND TWO- TO 16-YEAR FOLLOW-UP RESULTS

¹ Marcel Kerboull Institute, 39 rue Buffon, 75005 Paris, France.
² Department of Orthopaedic and Reconstructive Surgery Service A, Centre Hospitalo-Universitaire Cochin-Port Royal, 27 Rue du Fauborg St Jacques, 75014 Paris, France.

Correspondence should be sent to Dr L. Kerboull; e-mail: luc.kerboull{at}gmail.com

We describe 129 consecutive revision total hip replacements using a Charnley-Kerboull femoral component of standard length with impaction allografting. The mean follow-up was 8.2 years (2 to 16). Additionally, extramedullary reinforcement was performed using struts of cortical allograft in 49 hips and cerclage wires in 30.

There was one intra-operative fracture of the femur but none later. Two femoral components subsided by 5 mm and 8 mm respectively, and were considered to be radiological failures. No further revision of a femoral component was required. The rate of survival of the femoral component at nine years, using radiological failure as the endpoint, was 98%. Our study showed that impaction grafting in association with a Charnley-Kerboull femoral component has a low rate of subsidence. Reconstruction of deficiencies of distal bone with struts of cortical allograft appeared to be an efficient way of preventing postoperative femoral fracture for up to 16 years.