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Inclusion Of The Popliteal Tendon In A Lateral Meniscus Repair Does Not Affect The Viability Of The Repair-A Cadaveric Study Using An Experimental Knee Simulator

Author(s): Xavier Pelfort*, Marc Tey**, Francisco Reina#, Lluís Puig*, Enric Càceres**, Rafael Iñigo Pavlovich***, Joan Carles Monllau*,**

Journal: Journal of Orthopaedics
ISSN 0972-978X

Volume: 5;
Issue: 4;
Date: 2008;
Original page

Keywords: Popliteal tendon | Lateral meniscal repair | Meniscus suture | Posterolateral corner | Knee.

Introduction: Repairing lateral meniscal injuries has some controversial aspects that still have not been well-responded to. The indications for lateral meniscus repair have been well defined and avoiding the placement of sutures crossing the popliteal hiatus is usually recommended. The purpose of our work is to evaluate the reliability of including the popliteal tendon in an lateral meniscus repair. Methods: An experimental work on lateral meniscal repair including or not including the popliteal tendon was designed using an experimental knee-simulator. Six fresh frozen human cadaveric knees were used. A lateral condile osteotomy and a bucket handle tear of the lateral meniscus were created in a reproducible manner. The knees were divided into three groups: group A: the meniscus was repaired with five vertical stitches avoiding the popliteal hiatus (control group), Group B: an additional suture was placed including the popliteal tendon and in Group C: the same additional suture including the popliteal tendon as well as the joint capsule was done. After a one thousand gait cycles, we macroscopically evaluated the condition of the popliteal tendon, the lateral meniscus and the sutures. Thereafter, the osteotomy was again fixed and the knees were tested with external and internal tibial rotation for five hundred cycles more in each position and finally the last macroscopic evaluation was performed. Results: No differences were observed between the distinct groups. Conclusion: Repairing the lateral meniscus along with the popliteal tendon does not seem to cause any damage to either structure and thus suggests that lateral meniscus can be safely repaired using this method.
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