14-Year Median Follow-Up Using the Press-Fit Condylar Sigma Design for Total Knee Arthroplasty

Abstract Median 14-year follow-up (mean 11.8 years) of a cemented primary posterior cruciate-retaining total knee arthroplasty (TKA) utilizing the Press-Fit Condylar (PFC) Sigma design was evaluated in 77 patients (79 TKA). Follow-up assessment included implant survivorship, x-rays, Knee Society rat...

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Bibliographic Details
Published in:The Journal of arthroplasty 2013-09, Vol.28 (8), p.1286-1290
Main Authors: Patil, Shantanu S., MD, Branovacki, George, MD, Martin, Mersadies R., MS, MD, Pulido, Pamela A., BSN, Levy, Yadin D., MD, Colwell, Clifford W., MD
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Arthroplasty, Replacement, Knee
Female
Follow-Up Studies
Humans
Knee Joint - diagnostic imaging
Knee Joint - surgery
Knee Prosthesis
Longitudinal Studies
Male
Middle Aged
Orthopedics
Osteoarthritis, Knee - surgery
outcomes
Polyethylene
Postoperative Care
press-fit condylar sigma implant
Prosthesis Design
Radiography
Time Factors
total knee arthroplasty
Treatment Outcome
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Summary:Abstract Median 14-year follow-up (mean 11.8 years) of a cemented primary posterior cruciate-retaining total knee arthroplasty (TKA) utilizing the Press-Fit Condylar (PFC) Sigma design was evaluated in 77 patients (79 TKA). Follow-up assessment included implant survivorship, x-rays, Knee Society rating system, and clinical evaluation. Radiographic analysis demonstrated minor non-progressive osteolysis in 40% (10/25) knees. Two revisions, one for instability at 4 years and one for polyethylene wear at 10 years were performed. Survivorship of the PFC Sigma knee implant was 97% using revision for any reason and 100% using aseptic loosening as endpoints. The PFC Sigma had excellent survivorship at 14 years, the longest clinical follow-up reported.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2012.11.014