The Journal of Bone and Joint Surgery (American). 2007;89:89-95.
doi:10.2106/JBJS.E.00492
© 2007 The Journal of Bone and Joint Surgery, Inc.
This Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow CME: Take the activity for this article:
 Adult Knee Reconstruction Test 14: Spring 2007 (publication date May 15, 20...
Right arrow Letters to the Editor: Submit a response
Right arrow Alert me when this article is cited
Right arrow Alert me when Letters to the Editor are posted
Right arrow Alert me if a correction is posted
Services
Right arrow E-mail this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Add to My File Cabinet
Right arrow Download to citation manager
Right arrowReprints and Permissions
Citing Articles
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Rodricks, D. J.
Right arrow Articles by Colwell, C. W.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Rodricks, D. J.
Right arrow Articles by Colwell, C. W., Jr.
Related Collections
Right arrow Adult Knee
Social Bookmarking
Add to CiteULike   Add to Connotea   Add to Del.icio.us   Add to Technorati  
What's this?

Press-Fit Condylar Design Total Knee Arthroplasty

Fourteen to Seventeen-Year Follow-up

David J. Rodricks, MD1, Shantanu Patil, MD1, Pamela Pulido, BSN1 and Clifford W. Colwell, Jr., MD1

1 c/o Mary E. Hardwick, MSN, Shiley Center for Orthopaedic Research and Education at Scripps Clinic, 11025 North Torrey Pines Road, Suite 140, La Jolla, CA 92037. E-mail address for C.W. Colwell: colwell{at}scripps.edu. E-mail address for M.E. Hardwick: mhardwick{at}scrippsclinic.com

Investigation performed at the Shiley Center for Orthopaedic Research and Education at Scripps Clinic, La Jolla, California

Disclosure: The authors did not receive grants or outside funding in support of their research for or preparation of this manuscript. They did not receive payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

NOTE: The authors thank Mary E. Hardwick, MSN, department publications manager, for her assistance in the preparation of this manuscript.

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.

Level of Evidence: Therapeutic Level IV. See Instructions to Authors for a complete description of levels of evidence.


Add to CiteULike CiteULike   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us   Add to Technorati Technorati    What's this?