• Antonio Klasan, Ahmet Sen, Philipp Dworschak, Bilal Farouk El-Zayat, Steffen Ruchholtz, Karl F Schuettler, Jan Schmitt, and Thomas J Heyse.
• Center for Orthopedics and Traumatology, University Hospital Marburg, Baldingerstrasse, 35043, Marburg, Germany. klasan.antonio@me.com.
• Arch Orthop Trauma Surg. 2018 Sep 1; 138 (9): 1317-1322.

IntroductionThis stem was cleared by the FDA in 2002 and has been implanted in cementless and cemented versions. Despite its long history, there are no long-term clinical  results available for the cemented version of this implant. The aim of this study was to provide such data. It was hypothesized that this implant delivers clinical success comparable to other tapered cemented stems.Materials And MethodsA total of 113 hip replacements were performed in 106 patients between October 2007 and December 2009 using the cemented version of this stem. The mean age of the patients at operation was 74.8 years (range 50-91 years). The mean follow-up was 8.9 years with only two patients lost to follow-up. Implant survival was determined using the Kaplan-Meier analysis.ResultsStem survival with revision for any reason as the endpoint was 96.4% after 10 years. Survival for stem aseptic loosening was 100%. There were no cases of osteolysis. Clinical outcomes, as shown by Harris Hip Scores, were in line with previous investigations and the rate of adverse events was very low.ConclusionsThis is a modern cemented stem with an excellent survival rate and satisfactory functional outcomes. In this cohort, there were no failures related to the stem through the first decade.

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