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Fixed versus rotating platform total knee arthroplasty: a prospective, randomized, single-blind study.
MedLine Citation:
PMID:  20932706     Owner:  NLM     Status:  In-Data-Review    
The purpose of this randomized, single-blind clinical trial was to compare a rotating platform (RP) total knee arthroplasty to a fixed-bearing (FB) total knee arthroplasty. Ninety-five knees in 69 patients were implanted by 2 surgeons. There were no significant differences in the preoperative demographics. At a minimum of 2-year follow-up, clinical outcomes and complication rates were similar, with the exception that the RP group had significantly better stair-climbing scores (P = .04). Postoperative range of motion was equally good in both groups (FB knees, 1°-125°; RP knees, 1-126°). There were no bearing dislocations in the RP group. In conclusion, this RP design performs at least as well as the FB version, and the RP patients reported better stair-climbing ability. Enthusiasm for this finding should be tempered by the relatively small sample size.
Scott T Ball; Hugo B Sanchez; Ormonde M Mahoney; Thomas P Schmalzried
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Publication Detail:
Type:  Journal Article     Date:  2010-10-06
Journal Detail:
Title:  The Journal of arthroplasty     Volume:  26     ISSN:  1532-8406     ISO Abbreviation:  J Arthroplasty     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-05-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8703515     Medline TA:  J Arthroplasty     Country:  United States    
Other Details:
Languages:  eng     Pagination:  531-6     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
Department of Orthopaedic Surgery, University of California, San Diego, San Diego, California.
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