Here are five key notes:
1. Tiny beads of less than 1 millimeter were inserted into the bone surrounding the ATTUNE knee implant at the time of the surgery. The beads served as markers by which x-rays were used to detect 3D changes in the position of the tibial base relative to the bone over time.
2. The study included 30 patients.
3. Results showed the ATTUNE knee tibial base migrated an average of 0.02 millimeters in the superior-inferior direction over 24 months with an average maximum total point motion of 0.21 millimeters.
4. ATTUNE Knee tibial base achieved stable fixation by demonstrating average micromotion of 0.17 millimeters between one and two years. This is consistent with implants that have acceptable revision rates due to aseptic loosening.
5. RSA networks play a vital role in enhancing evidence generation timelines, standardizing methodologies, increasing diversity by including more patients at different sites and meeting the needs of stakeholders who value fixation evidence.
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