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Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 134 - 134
1 Mar 2009
Hoekman P Garba I Djimraou G Halidou D
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Hip arthrodesis is still a major option for the painful arthritic hip in the third world, where total hip prostheses are seldom available or too expensive for the patient. Various procedures for hip fusion have been described in the literature; they are often complex, frequently need a long period of post-operative immobilisation and are coupled with a considerable failure rate.

A new simple technique for hip arthrodesis is described without dislocating the hip preoperatively in order to maintain the oxygen concentration in the femoral head, using a self devised plate and requiring no post-operative immobilisation.

During a three year period the procedure was performed in 22 patients by the same surgeon. In all cases the indication for hip fusion was hip osteo-arthritis. The cause of osteo-arthritis was in 46% hip destruction by tuberculosis, in 23% aseptic osteonecrosis of the femoral head, mostly linked to sickle cell anaemia, in 8% complications of trauma of the hip, in 8% slipped upper femoral epiphysis and in 15% primary arthritis. Two had concurrent femoral osteotomy for correcting malposition of the limb and one had during the same procedure a femoral diaphysis osteotomy with placement of a Wagner elongating device in order to proceed with a callotasis. Mean follow up was 15.4 months. All hips, except one, achieved a solid fusion by radiographic and clinical criteria between 6 and 12 months after surgery. The failure of fusion was in the oldest patient (63 years) who presented loosening of plate and screws due to an advanced degree of osteoporosis. One superficial infection occurred that resolved under antibiotics.