12-Year Results with the Cementless Bicontact SD Stem in Dysplastic and Narrow Femoral Bone Conditions

Abstract AIM: The aim of the study was the evaluation of the medium- to long-term results of the cementless Bicontact SD hip arthroplasty, which was designed specially for narrow femoral medullary cavities. METHOD: From February 1992 to December 1996 115 patients (123 joints) were treated with a Bicontact SD stem and various cup implants through a posterior approach. In one third of cases, the indication was dysplastic osteoarthritis of various degrees of severity. RESULTS: Between November 2006 and May 2007 90 patients (98 hip joints) were followed up in a retrospective study after an average of 12.2 (10.1 - 15…