Prospective Long-Term Follow-Up of the Cementless Bicontact Hip Stem with Plasmapore Coating
U. Ochs, C. Eingartner, R. Volkmann, B. G. Ochs, C. Huber, S. Weller, K. Weise · Zeitschrift für Orthopädie und Unfallchirurgie · 2007 · Heft S 1 · S. S3-S8
Bibliografische Angaben
Zusammenfassung
Abstract AIM: A prospective long-term study of the first 250 cementless Bicontact stems implanted in the BG Trauma Centre, Tuebingen, Germany. METHOD: All of the patients in this series (treatment period June 1987 to April 1990) who were still contactable were invited for clinical and radiological follow-up. The radiographs were analysed for signs of loosening in the form of Gruen lysis zones, stress shielding, subsidence behaviour, heterotopic ossification and spot welds. RESULTS: The average follow-up period was 17.8 (16.7 - 19.5) years. The overall rate of follow-up was 65 % (162 of 250) and 91 % of patients…
