Document Detail

Early instability with mobile-bearing total knee arthroplasty: a series of 25 cases.
MedLine Citation:
PMID:  15343526     Owner:  NLM     Status:  MEDLINE    
Between December 1987 and January 2002, 25 cases of clinical instability following mobile-bearing total knee arthroplasty (TKA) with meniscal bearings or rotating platforms presented for evaluation at our institution. These cases were retrospectively identified. All were performed at outside institutions by a variety of surgeons. All clinical examinations were performed by the authors. Nine cases were revised at our institution. All 25 cases had clinical evidence of severe coronal-plane instability and pain. Eight cases had polyethylene dislocation or subluxation that was evident radiographically and clinically. Four cases had extensor-mechanism dysfunction. Eighteen cases had symptoms immediately postoperatively. Twenty-three of the 25 cases had symptoms within 2 years' postoperatively. Any potential long-term benefit of design innovations must be balanced with known problems leading to early failure.
Stephen Ridgeway; Joseph T Moskal
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of arthroplasty     Volume:  19     ISSN:  0883-5403     ISO Abbreviation:  J Arthroplasty     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2004-09-02     Completed Date:  2004-12-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8703515     Medline TA:  J Arthroplasty     Country:  United States    
Other Details:
Languages:  eng     Pagination:  686-93     Citation Subset:  IM    
Roanoke Orthopaedic Center, Roanoke, Virginia 24018, USA.
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MeSH Terms
Aged, 80 and over
Arthroplasty, Replacement, Knee / adverse effects*
Joint Instability / etiology*
Knee Joint*
Knee Prosthesis*
Middle Aged
Prosthesis Design
Prosthesis Failure
Range of Motion, Articular
Retrospective Studies
Treatment Outcome

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

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