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Author Spotlight: Double Posteromedial Approach for Treating Posterior Cruciate Ligament Cysts
Published on: October 20, 2023
Ten-year results comparing posterior cruciate-retaining versus posterior cruciate-substituting total knee
Takashi Sando1, Richard W McCalden1, Robert B Bourne1
1Division of Orthopaedic Surgery, London Health Science Centre, University Campus, London, Ontario, Canada; University Hospital, University of Western Ontario, London, Ontario, Canada.
Abstract:
We compared the 10-year survival rates and clinical outcomes of posterior cruciate-retaining (CR) versus posterior cruciate-substituting (CS) total knee arthroplasty (TKA), using the Genesis II knee system (Smith and Nephew, Memphis, TN). Our institutional database identified patients undergoing a primary knee with the Genesis II system between 1995 and 2000. These patients were followed for an average of 12.3years (range 10.2-14.4years). There were 143 (34.5%) CR and 271 (65.5%) CS implants. No significant difference in 10-year survivorship was noted between the two cohorts. The postoperative clinical scores (KSCRS, WOMAC, SF-12) and knee ROM were significantly better for the CS cohort. In this large, long-term, single-implant prospective study, CS performed better than CR in terms of clinical scores and range of motion.
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