Document Detail

Ten-year evaluation of geometric total knee arthroplasty.
MedLine Citation:
PMID:  3383484     Owner:  NLM     Status:  MEDLINE    
One hundred ninety-three geometric total knee arthroplasties (TKA) were performed between 1972 and 1975 in 129 patients (66 women, 63 men; mean age, 69 years) with osteoarthritis. Of these, 102 knees were followed for a mean of 11 years. Eighty-three percent of the patients had mild or no pain. The revision rate was 20%, and the surgical complication rate was 12%. By actuarial analysis, the probability of retaining a geometric prosthesis at 10 years was 78%. With revision or moderate to severe pain as the end point, the predicted implant survival was 69% at 10 years. Lucent lines greater than 1 mm were present in 38% of the knees and progressed in 34%; they were more frequent in knees with greater than or equal to 3 degrees of varus axial alignment (p less than 0.05) or greater than or equal to 4 degrees of varus placement of the tibial component (p less than 0.05). The geometric prosthesis has provided a functional result in 69% of knees at 10 years, despite being the first two-part component knee replacement retaining the cruciate ligaments and using early surgical instrumentation and implant design.
J A Rand; M B Coventry
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  -     ISSN:  0009-921X     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  1988 Jul 
Date Detail:
Created Date:  1988-08-01     Completed Date:  1988-08-01     Revised Date:  2005-03-03    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  168-73     Citation Subset:  AIM; IM    
Department of Orthopedics, Mayo Clinic, Rochester, Minnesota 55905.
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MeSH Terms
Follow-Up Studies
Knee Prosthesis*
Osteoarthritis / surgery*
Pain / physiopathology
Postoperative Complications / etiology
Prosthesis Design

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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