R. A. の T. H. R. における中心性脱臼防止としての臼底部骨移植

抄録

In nine cases of advanced rheumatoid arthritic hip, total hip replacements combined bone grafting in medial acetabular wall were tryed to prevent central migration of socket.
1) For protrusio acetabuli, the resected femoral head and neck or the iliac bone were used as a graft, If necessary, the bone paste from reaming the acetabulum was packed in a space of the graft and acetabular floor.
2) For deep acetabulum, a medial half of the femoral head which was not removed were used in situ insted of graft.
3) Serial radiographs after operation in all cases showed fast union of the graft, and no complication has been encountered for a follow-up period in an average of 17 months.