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Reconstruction of the acetabulum in THA using femoral head autografts in developmental dysplasia of the hip

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Author(s): Schofer Markus | Pressel Thomas | Schmitt Jan | Heyse Thomas | Boudriot Ulrich

Journal: Journal of Orthopaedic Surgery and Research
ISSN 1749-799X

Volume: 6;
Issue: 1;
Start page: 32;
Date: 2011;
Original page

Keywords: Bone graft | developmental dysplasia of the hip | primary total hip arthroplasty | THA

ABSTRACT
Abstract Background Severe acetabular deficiencies in cases of developmental dysplasia of the hip (DDH) often require complex reconstructive procedures in total hip arthroplasty (THA). The use of autologous femoral head grafts for acetabular reconstruction has been described, but few data is available about clinical results, the rates of non-union or aseptic loosening of acetabular components. Methods In a retrospective approach, 101 patients with 118 THA requiring autologous femoral head grafts to the acetabulum because of DDH were included. Six patients had died, another 6 were lost to follow-up, and 104 hips were available for clinical and radiological evaluation at a mean of 68 ± 15 (13 to 159) months. Results The average Merle d'Aubigné hip score improved from 9 to 16 points. Seven implants had to be revised due to aseptic loosening (6.7%). The revisions were performed 90 ± 34 (56 to 159) months after implantation. The other hips showed a stable position of the sockets without any signs of bony non-union, severe radiolucencies at the implant-graft interface or significant resorption of the graft. Conclusion The use of autologous femoral head grafts with cementless cups in primary THA can achieve promising short- to midterm results in patients with dysplastic hips.

Tango Jona
Tangokurs Rapperswil-Jona

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