Component positioning of the first 300 mobile bearing unicompartmental knee arthroplasties.
retrospective_cohort · Level III
Where this comes from
- Record sourced from PubMed, PMID 34413583.
- Also identified by DOI 10.1016/j.jor.2021.08.002 and PMC identifier 8363760.
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Abstract
The Oxford® Partial Knee has excellent long-term survivorship but high surgical times indicate a learn curve. This retrospective review included a radiographic evaluation of component placement of the initial 300 procedures following conversion from fixed bearing implant use. The anteroposterior and sagittal femoral angles were considered inaccurate in 1.7% and 3.9% of cases, respectively. The anteroposterior and sagittal tibial angles were considered inaccurate in 18.7% and 6.0% of cases, respectively. Overall, a learning curve appears to be present regarding the anteroposterior tibial component angle, with the greatest percentage of inaccuracies occurring within the initial 20 cases.
Anatomy
- knee