THE USE OF FEMORAL-HEAD AUTOGRAFT SHELF RECONSTRUCTION AND CEMENTED ACETABULAR COMPONENTS IN THE DYSPLASTIC HIP

In view of the controversy about bulk autografts to provide support fo r the acetabular cup in reconstruction of the dysplastic hip, a series of 15 dysplastic hips mere Investigated as follows: Femoral head auto graft shelf reconstruction and cemented acetabular components were eva luated at an average follow-up period of 99 months after operation (ra nge, 27-141 months). Hip rating scores and radiographic assessments we re done on each patient before surgery and at postoperative examinatio ns. The average preoperative hip score was 43.6 points (range, 22-82). The average hip score at review,vas 72.3 points (range, 48-100). The increase in hip scores was 29 points (range, -10 to +69). All grafts s howed radiographic evidence of union to the pelvis at review. There wa s no resorption in five cases. The graft showed some resorption in eig ht cases, six of which were minor. None of the grafts or the acetabula r components showed any signs of migration. Although the number of cas es is small, the results show that bulk acetabular allografts can surv ive beneath cups in reconstructed dysplastic hips.