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Intraoperative Medial Instability During Total Knee Arthroplasty
Zachary Aberman1, James Germano2, Giles R Scuderi3
1Lenox Hill Hospital Northwell Health, NY, USA.
The Orthopedic Clinics of North America
|November 18, 2023
Summary
This review discusses medial collateral ligament (MCL) injuries during total knee arthroplasty (TKA), covering risk factors, repair methods, and outcomes. It emphasizes protecting the MCL during TKA surgery.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Medial collateral ligament (MCL) injuries can occur during total knee arthroplasty (TKA).
- Understanding risk factors and management strategies is crucial for successful TKA outcomes.
Purpose of the Study:
- To review the literature on intraoperative MCL injuries during TKA.
- To discuss fixation and repair methods, outcomes, and risk factors for MCL injury.
- To highlight techniques for protecting the MCL during TKA.
Main Methods:
- Literature review of existing studies on MCL injury in TKA.
- Analysis of surgical techniques for MCL repair and implant constraint.
- Review of preoperative risk factors and intraoperative protective measures.
Main Results:
- Various methods exist for managing MCL injuries during TKA, including repair and increased implant constraint.
- Preoperative identification of risk factors can help prevent MCL injury.
- Proper surgical technique, including retractor use, is vital for MCL protection.
Conclusions:
- Intraoperative MCL injuries during TKA require careful consideration of repair and implant options.
- Preventative measures and appropriate surgical techniques can minimize MCL injury risk.
- Optimizing MCL management improves TKA patient outcomes.

