Twenty-year results of a neck-preserving short-stem prosthesis in primary total hip arthroplasty

Piakong P., Pahl M., Delgado G., Akkaya M., Busch S., Salber J., ...More

Archives of Orthopaedic and Trauma Surgery, vol.143, no.6, pp.3481-3486, 2023 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 143 Issue: 6
  • Publication Date: 2023
  • Doi Number: 10.1007/s00402-022-04556-5
  • Journal Name: Archives of Orthopaedic and Trauma Surgery
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, BIOSIS, CINAHL, EMBASE, MEDLINE, SportDiscus
  • Page Numbers: pp.3481-3486
  • Keywords: Total hip arthroplasty, Bone-preserving implant, Short stem, Long term, CFP
  • Ankara Yıldırım Beyazıt University Affiliated: No


Purpose: The use of short-stemmed femoral components with preservation of the femoral neck has been advocated for younger and more active patients undergoing joint replacement. This study reports the long-term outcomes of the Collum Femoris-Preserving (CFP) prosthesis on a previous report. Methods: Between January 1999 and December 2000, a total of 149 patients underwent total hip arthroplasty procedure using the CFP stem in a single institution. At latest follow-up, 79 patients were available and were included in this study. The mean age of the cohort was 73.4 (range, 44–92 years) with a mean follow-up of 20.7 years (range 20–21). The average age was 52.1 years at index procedure (range, 21–71 years). Results: The Kaplan–Meier survivorship free from revision for any cause at 5, 10 and 20 years was 93.2% (87.8–96.3%), 93.2% (87.8–96.3%) and 83.0% (75.7–88.3%), respectively. At 20 years follow-up, the revision for any cause occurred in 26.6% (21 of 79) of patients. The most common causes for revision surgery were aseptic loosening, dislocation, and polyethylene wear with 6.3% (5 out of 79), respectively. Periprosthetic fracture occurred in four patients (5.1%) followed by periprosthetic joint infection in two patients (2.5%). Revision surgery of the femoral stem was required in four patients (5.1%). There was a statistically significant improvement of the Harris Hip Scores from 53 to 83.7 (range 56–91). Conclusion: The long-term outcomes of the CFP stem are excellent, demonstrating a low rate of aseptic loosening with an excellent survivorship within 2 decades.