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Revision of ceramic head fracture after third generation ceramic-on-ceramic total hip arthroplasty
Kyung-Hoi Koo1, Yong-Chan Ha, Shin-Yoon Kim
1Department of Orthopaedic Surgery, Seoul National University College of Medicine, Bundang-gu, Seoul, South Korea.
Abstract:
We performed 24 revisions of fractures of third generation ceramic heads. The stem was not changed in 20 revisions; a new ceramic-on-ceramic bearing was used in four and a metal-on-polyethylene bearing in 16. The stem was changed in four revisions; a new ceramic-on-ceramic bearing was used in three and a metal-on-polyethylene bearing in one. During the follow-up of 57.5 months, complications occurred in five hips among the 20 stem retained revisions: a fracture of the new ceramic head in two, metallosis with pseudocyst in two, and femoral osteolysis with stem loosening in one. However, there were no complications in the four revisions where the stem was changed. Revision surgery after ceramic head fracture shows high rates of early complications. We recommend stem revision in cases of THA failure due to fracture of a modern ceramic head.
