Similar 2 Year Clinical Outcomes With Attune vs. PFC Sigma Prosthesis in TKA for Severe Knee OA .
Mid-term results show no significant difference in postoperative clinical outcome, pain and range of motion between a well-established total knee arthroplasty design and its successor: a prospective, randomized, controlled trial
Knee Surg Sports Traumatol Arthrosc . 2021 Mar;29(3):827-831.Two hundred patients scheduled to undergo a primary total knee arthroplasty (TKA) for severe knee osteoarthritis were randomized to receive an Attune prosthesis (n=100) or Press Fit Condylar (PFC) Sigma prosthesis (n=100). Outcomes of interest included the following: Knee Society Knee and Function Scores, the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), pain on a Visual Analogue Scale (VAS0, and range of motion (ROM). All outcomes were measured at 2-years follow-up. Results demonstrated that all outcomes were not statistically significantly different between the 2 prosthesis systems (p>0.05 for all).
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