Favorable Results of a Short, Tapered, Highly Porous, Proximally Coated Cementless Femoral Stem at a Minimum 4-Year Follow-Up
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- 作者：Anthony Albers ; MD ; Ahmed A. Aoude ; MD ; David J. Zukor ; MD ; FRCSC ; Olga L. Huk ; MD ; FRCSC ; John Antoniou ; MD ; PhD ; FRCSC ; Michael Tanzer ; MD ; FRCSC
- 关键词：primary ; total hip arthroplasty ; short stem ; cementless ; taper
- 刊名：The Journal of Arthroplasty
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：31
- 期：4
- 页码：824-829
- 全文大小：574 K
文摘
Shorter femoral stems have been increasingly used in total hip arthroplasty. However, there are few clinical studies evaluating the outcomes of these stems and comparing them to their regular-sized counterparts.
Methods
Our study provides radiologic and functional outcomes at 5-year mean follow-up of 131 cementless Tri-Lock Bone Preservation Stems, a short tapered stem with a proximal porous coating.
Results
Stem-related complications were low with one revision for stem aseptic loosening. Kaplan-Meier analysis estimated 99.2% stem survival rate at 5 years, comparable to conventional length Tri-Lock stems (99.8% at 8.9 years).
Conclusion
This study demonstrates that the Tri-Lock Bone Preservation Stem can provide successful outcomes at 5-year follow-up. Further studies are required to determine the long-term outcome of these implants in patients with poor bone stock.