Abstract
We appreciate Dr. Matsuno’s comments regarding the article “Posterior-stabilized versus cruciate-retaining total knee arthroplasty: balancing the gap” (17: 813, 2002). The status and function of the posterior cruciate ligament (PCL) at the time of total knee arthroplasty (TKA) continues to be debated between the surgeons favoring cruciate-retaining (CR) TKA and those favoring posterior-stabilized (PS) TKAs. Unless it is grossly deficient, it is not possible to reproducibly determine the status and function of the PCL. In our study, after the anterior and posterior femoral cuts were made, the knee was randomized to either CR or PS TKA. After this randomization, the PCL would either be saved or resected and the tibia cut made. In every case, the PCL was present and appeared grossly normal. No specific testing of the PCL was performed. We believe that this is the standard surgical technique among surgeons who perform CR TKAs. Therefore, these results should mirror the expected outcome after standard CR TKA.
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