Case Report: Cementless Stem Stabilization after Intraoperative Fracture

Abstract

We present the case of a patient with intraoperative femoral fracture during THA, which was repaired using cerclage fixation and insertion of an hydroxyapatite-coated cementless stem. The patient was evaluated postoperatively using radiostereometry during a 2-year course, and despite a large amount of subsidence and rotation, stabilization occurred and was maintained by 6 months. By evaluating the pattern of stem migration after intraoperative fracture, this case shows, even in the presence of instability, a successful clinical outcome can be achieved using an hydroxyapatite-coated cementless stem.

Three-dimensional design custom-made uncemented stem for revision of cemented distal femoral endoprosthesis due to aseptic loosening

“…But all revision endoprostheses were well fixed in our revision series, and no further revision was performed. In fact, uncemented endoprosthesis relies on the stem press-fitting with the host bone to achieve initial stability and subsequent osseointegration augmented for long-term stability [ 17 ]. To achieve precise and stable fixation, all revision stems used in our series were custom-made for each patient on the basis of precise measurement of the residual femoral medullary cavity at 1 cm intervals.…”