The purpose of this study is toevaluate the clinical and radiologic results after high flexiontotal knee arthroplasty, Lospa®(Corentec Inc.) with 10mm cutting of posterior femoral condyle and LPS-Flex®(Zimmer Inc.) with 12.5mm cutting of posterior femoral condyle.(Fig. 1) We prospectively compared 205 knees in 128 patients who underwent arthroplasty usingLospa®(groupA) and 63 knees in 48 patients who underwentarthroplasty using NexGen LPS-Flex®(group B) from September 2010 to March 2012 at Department of Orthopaedic Surgery, Sun General Hospital (Daejeon, Korea). Mean follow-up period was 33 months(24–42) in group A and 33months(23–45) in group B, and mean age was 69.5 in group A, 70.4 in group B. The radiologic analysis included the change of mechanical axis deviation and femoro-tibial angle, implant position (α,β,γ,δ)(Fig 2). The clinical results were evaluated according to Hospital for special surgery (HSS), Knee society score (KSS), and range of motion.Purpose
Materials and Methods
