Evidence about the Depuy PFC Sigma Knee System | Which Medical Device
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Orthopaedics
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Total knee replacement
The 11th Annual NJR report contains data relating to 1.6 million arthroplasty procedures.
Credits: National Joint Registry of England and Wales
This study from the National Joint Registry demonstrates that patient reported outcomes are partly driven by implant selection. Better outcomes were associated with the NexGen knee.
Credits: J Bone Joint Surg Br. 2012 Aug;94(8):1058-66.
This single centre study shows an increased flexion range (135 vs 125 degrees) for the PFC Sigma RP-Fn device compared with the PFC Sigma PS. Free Text Link.
Credits: Knee Surg Relat Res. 2012 Dec;24(4):221-6.
This study showed no difference in outcomes when the LCS and PFC rotating platform designs were compared in 61 and 50 patients respectively. Free Text Link.
Credits: Clin Orthop Surg. 2012 Dec;4(4):256-62.
This study comparing the PFC sigma to the PFC RP-F design showed more non-weight bearing knee flexion in the latter group, but this extra range was not useful in terms of activities of daily living and this group experienced more pain.
Credits: J Bone Joint Surg Br. 2012 Aug;94(8):1051-7.
This study of 77 patients (79 PFC TKAs) demonstrated a survivorship of 97% using revision for any reason and 100% using aseptic loosening as endpoints.
Credits: Patil SS, Branovacki G, Martin MR, Pulido PA, Levy YD, Colwell CW Jr. J Arthroplasty. 2013 Mar 27.
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