TITLE

Press-Fit Condylar Design Total Knee Arthroplasty

AUTHOR(S)
Rodricks, David J.; Patil, Shantanu; Pulido, Pamela; Colwell Jr., Clifford W.
PUB. DATE
January 2007
SOURCE
Journal of Bone & Joint Surgery, American Volume;Jan2007, Vol. 89-A Issue 1, p89
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: The Press-Fit Condylar total knee arthroplasty implant design has been used by many orthopaedic surgeons over the last twenty years. The design has survived with relatively minor modifications and remains a popular implant system today. The present study represents the fourteen to seventeen-year results for our patients who were described in our previous report on the eight to ten-year results. Methods: The senior author performed 160 consecutive total knee arthroplasties with use of the Press-Fit Condylar cruciate-retaining device in 134 patients between 1986 and 1989. The mean age of the patients at the time of the index procedure was 70.5 years. Follow-up data were available for sixty-three of sixty-four surviving knees. Surviving patients were followed for a mean of 15.8 years. The knees were evaluated on the basis of Knee Society function and clinical scores, radiographs, and survivorship analysis. Results: The mean Knee Society function score was 65, and the mean clinical score was 89. The overall survival rate of the knee was 91.5% with revision for any reason as the end point and 97.2% with aseptic loosening as the end point. The rate of revision of the tibial insert because of wear-related aseptic loosening was 2.5%. We found no relationship between revision and the shelf life or method of sterilization of the polyethylene insert. Radiolucent lines were present in 62% (twenty-one) of thirty-four knees; all radiolucent lines were nonprogressive. None of the implants were loose according to the criteria of the Knee Society. Conclusions: This long-term analysis indicates that the Press-Fit Condylar total knee implant is a successful implant system with excellent longevity.
ACCESSION #
23693803

 

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