Mid-Flexion Instability After Total Knee Arthroplasty: Diagnosis, Implant Design, and Outcomes.
review · Level V
Where this comes from
- Record sourced from PubMed, PMID 35876775.
- Also identified by DOI 10.3928/01477447-20220719-01.
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Abstract
Mid-flexion instability (MFI) in total knee arthroplasty refers to a distinct clinical entity where the knee is stable at full extension and 90° of flexion, but unstable somewhere between these 2 points. The presentation of MFI is often vague, and studies defining objective clinical or intraoperative measurements are limited. In this review, we aim to properly define the condition, describe diagnostic criteria and risk factors contributing to MFI, review current implant design, and present outcomes of revision surgery performed for MFI. [<i>Orthopedics</i>. 2023;46(1):e13-e19.].
Medical subject headings
- Arthroplasty, Replacement, Knee
- Joint Instability
- Knee Prosthesis
Anatomy
- knee