Abstract
Aims: To reconstruct acetabular bone stock loss in revision hip surgery, from 1979 on we have used a biologic reconstruction method with tightly impacted cancellous allografts in combination with a cemented polyethylene cup. Methods: This studies presents the clinical and radiological results of 62 consecutive acetabular revisions in 58 patients at a mean of 16.5 years (15–20 years) followup. The Kaplan-Meier survivorship for the cup with end-point revisions for any reason was 79% at fifteen years followup (95% C.I.: 67–91%). Results: Excluding two revisions for septic loosening at 3 and 6 years, the survivorship with end point aseptic loosening was 84% at fifteen years years (95% C.I.: 73–95%). At review there were no additional radiological loosenings, although 7 acetabular reconstructions showed radiolucent lines in one or two zones. Conslusions: This acetabular bone impaction technique using large morselized bone chips (range 0.7–1.0 cm) and a cemented cup is a reliable reconstruction technique, even after a 15–20 years followup.
Theses abstracts were prepared by Professor Dr. Frantz Langlais. Correspondence should be addressed to him at EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.
