Abstract
Background
The optimal mode of fixation in total knee arthroplasty is a continuing subject of
debate.
Methods
Previously, we reported 2-year results for this prospective, randomized trial. Knee
Society Scores, Oxford scores, and pain visual analog scales were collected pre-operatively
and post-operatively. Minimum 5-year follow-up has been obtained with radiographic
analysis for 85 patients.
Results
Mean Knee Society Scores and Oxford scores and patient-reported outcomes were similar
in both groups. Each group had 1 additional revision, but neither was related to implant
fixation. Survivorship with revision as an endpoint was equivalent (95.9% and 95.3%,
P = .98). There was no significant difference in radiolucencies observed between groups
(P = .10), all were non-progressive.
Conclusion
Cementless and cemented total knee arthroplasty had equivalent patient-reported outcomes
and survivorship at midterm follow-up. Updates are planned at 10 and 15-year intervals
to observe long-term modes of failure between these 2 methods of fixation.
Keywords
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Article Info
Publication History
Published online: February 20, 2019
Accepted:
February 14,
2019
Received in revised form:
February 13,
2019
Received:
December 4,
2018
Footnotes
One or more of the authors of this paper have disclosed potential or pertinent conflicts of interest, which may include receipt of payment, either direct or indirect, institutional support, or association with an entity in the biomedical field which may be perceived to have potential conflict of interest with this work. For full disclosure statements refer to https://doi.org/10.1016/j.arth.2019.02.024.
Financial support for this work was provided by general research funding from Inova Health System , United States, Zimmer Biomet , United States, and Anderson Orthopaedic Research Institute , United States.
Identification
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