Clinical Orthopaedics and Related Research®

, Volume 467, Issue 9, pp 2297–2304 | Cite as

Survival of the Cementless Spotorno® Stem in the Second Decade

  • Peter R. AldingerEmail author
  • Alexander W. Jung
  • Steffen J. Breusch
  • Volker Ewerbeck
  • Dominik Parsch
Symposium: Papers Presented at the Annual Closed Meeting of the International Hip Society


High survival rates have been reported for the uncemented CLS® Spotorno® stem up to 10 years. To confirm survival at longer followup we report the minimum 15-year (mean, 17 years; range, 15–20 years) for 257 hips using this stem. We retrospectively evaluated the clinical and radiographic results of all 326 patients (354 THAs) operated between 1985 and 1989. The patients had a mean age of 57 years using an uncemented grit-blasted, tapered titanium femoral stem. Eighty-six patients (89 hips) died and eight patients (eight hips) were lost to followup, leaving 240 patients (257 hips) for evaluation. The femoral component was revised in 35 hips: eight for infection, nine for periprosthetic fracture, one for traumatic loosening, and 17 for aseptic loosening. Survival of the stem was 88% at 17 years (95% confidence interval, 84%–92%), and survival with femoral revision for aseptic loosening as an end point was 94% (95% confidence interval, 91%–97%). The median Harris hip score at followup was 80 points. No thigh pain was reported. Small osteolytic lesions (< 1 cm2) were found in the proximal Gruen zones (1 or/and 7) in 28 hips (15%). No distal femoral osteolysis was found. The long-term survival with this type of femoral component remains high in the second decade.

Level of Evidence: Level IV, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.


Femoral Component Heterotopic Ossification Aseptic Loosening Thigh Pain Femoral Revision 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We thank Dr. Patric Raiss, Research Fellow, and Dr. Jörn Seeger, Research Fellow, for their support in manuscript editing. We acknowledge the work of all 23 surgeons who contributed patients to this study. Among those, we would like to specifically thank Professor Dr. Horst Cotta and Professor Dr. Fritz-Uwe Niethard, who contributed most of the patients for this study.


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Copyright information

© The Association of Bone and Joint Surgeons® 2009

Authors and Affiliations

  • Peter R. Aldinger
    • 1
    Email author
  • Alexander W. Jung
    • 1
  • Steffen J. Breusch
    • 2
  • Volker Ewerbeck
    • 1
  • Dominik Parsch
    • 3
  1. 1.Stiftung Orthopädische Universitätsklinik HeidelbergHeidelbergGermany
  2. 2.Royal Infirmary EdinburghEdinburghScotland
  3. 3.Baumann Klinik, Olgahospital StuttgartStuttgartGermany

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