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Updated: Jun 17, 2026

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
Published on: February 27, 2018
Cementless total hip arthroplasty in patients with rheumatoid arthritis using a tapered designed titanium hip stem
Hans D Carl1, Jan Ploetzner, Bernd Swoboda
1Department of Orthopaedic Rheumatology, Friedrich-Alexander-University of Erlangen-Nuremberg, Rathsberger Str. 57, 91054, Erlangen, Germany.
Abstract:
The results of cementless tapered designed femoral stem were studied at a minimum 10-year follow-up in a non-selected, consecutive group of 27 patients (39 hips) with rheumatoid arthritis. Clinical and radiological analyses were performed in 27 hips, 17 patients (mean age at surgery 45 years) after a mean of 12 years. The postoperative Harris hip score was excellent for 14 hips, 9 hips were rated as good and 4 hips were fair or poor. No stem had to be revised for aseptic loosening. Proximal stress shielding was observed in 26 hips (96%); heterotopic ossification was present in 11 hips (41%). Six hips required revision of the acetabular component. With uncemented tapered femoral fixation excellent 12-year results are achieved in patients with rheumatoid arthritis.

