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The purpose of the present study was to compare the short term clinical and functional outcomes of PFC Sigma RotatingPlatform (standard design) with those of Buechel Pappas HighFlexion total knee replacements using Knee Society knee score and Functional knee score .120 knees were randomly allocated to receive either a PFC Sigma Rotating-Platform (n=60) or Buechel Pappas HighFlexion (n=60) total knee prosthesis between January 2010 to December 2011, and were followed for an average mean period of 42.3 months. At the time of the latest follow-up, the average range of motion was 96.850 (range, 750 to 1200) in the knees with a PFC Sigma Rotating–Platform prosthesis and 102.750 (range, 850 to 1200) in the knees with a Buechell Pappas High-Flexion prosthesis. With a margin of 60 improvement in range of motion in Buechel Pappas High-Flexion knee replacements group, difference was statistically significant (p = 0.003).

international journal of science and research

Comparison between PFC Sigma Rotating Platform (standard design) and Buechel Pappas High-Flexion Total Knee Arthroplasties (A Randomized Controlled Study)