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The transpatellar approach for the knee in the laboratory
Azhar M Merican1, Kanishka M Ghosh, David J Deehan
1Musculoskeletal Surgery Department, Imperial College London, Charing Cross Hospital, London W6 8RF, United Kingdom.
Summary
A new longitudinal patellar-splitting knee approach preserves normal knee function during in vitro studies. This surgical method avoids altering surrounding tissues, ensuring accurate results for research on ligament reconstruction or joint replacement.
Area of Science:
- Orthopedic surgery
- Biomechanics
- Knee joint research
Background:
- The transpatellar approach is common for knee surgery.
- Previous methods may alter surrounding soft tissues, confounding research results.
Purpose of the Study:
- To describe a novel longitudinal patellar-splitting approach for knee surgery.
- To evaluate the impact of this approach on patellofemoral kinematics and peripatellar retinacula.
- To validate its utility for in vitro knee research.
Main Methods:
- A longitudinal patellar-splitting surgical technique was developed.
- In vitro experiments were conducted on knee specimens.
- Patellofemoral kinematics and retinacula length changes were measured after using the approach.
Main Results:
- The longitudinal patellar-splitting approach did not significantly alter patellofemoral kinematics.
- Length-change patterns of peripatellar retinacula bands remained unchanged.
- The approach allows knee opening and closing without significant soft tissue disruption.
Conclusions:
- The described surgical approach is suitable for accurate knee reconstruction.
- This method is valuable for in vitro studies investigating internal knee structures.
- It minimizes confounding variables related to soft tissue alterations in biomechanical research.
