Comparing Rates of Radiographic Baseplate Loosening Between Cement and Cementless INFINITY Total Ankle Prostheses
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View abstract on PubMed
Summary
This summary is machine-generated.Cemented and cementless total ankle replacements showed similar rates of periprosthetic radiolucency. This suggests implant fixation method may not significantly impact early radiolucency in ankle osteoarthritis surgery.
Area Of Science
- Orthopedic Surgery
- Biomaterials Engineering
Background
- Total ankle replacement (TAR) addresses end-stage ankle osteoarthritis.
- Periprosthetic radiolucency may indicate prosthesis failure risk.
- Cement fixation is a potential method to mitigate radiolucency.
Purpose Of The Study
- To compare periprosthetic radiolucency rates between cemented and cementless INFINITY Total Ankle System implants.
- To evaluate the influence of cementation on early radiographic outcomes in TAR.
Main Methods
- Retrospective analysis of 28 patients undergoing TAR with the INFINITY system (Jan 2016-May 2022).
- Radiographic review of anteroposterior, mortise, and lateral ankle X-rays by two independent reviewers.
- Assessment of tibiotalar angle, talar tilt, and periprosthetic radiolucency; statistical analysis using Wilcoxon rank-sum and chi-square tests.
Main Results
- No significant difference in periprosthetic radiolucency incidence between cemented and cementless groups (57.1% in both).
- P-value of 1.0 indicates no statistical difference in radiolucency.
- Follow-up tibiotalar and talar tilt angles were also not significantly different between groups (P > .51).
Conclusions
- Cemented total ankle prostheses demonstrated similar periprosthetic radiolucency rates compared to cementless implants.
- Early radiographic findings suggest no significant advantage of cementation in reducing radiolucency.
- Further research into long-term clinical outcomes is necessary to guide optimal surgical techniques for ankle prostheses.
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