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Posterior cruciate substituting versus posterior cruciate retaining total knee arthroplasty prostheses: A meta-analysis.
MedLine Citation:
PMID:  22300844     Owner:  NLM     Status:  Publisher    
PURPOSE: The arguments about whether posterior-substituting prostheses or cruciate-retaining prostheses are superior to the other after total knee arthroplasty never stop. This meta-analysis was conducted to evaluate the clinical effects of these two different designs. METHODS: The study was performed according to the guidelines described in the Cochrane handbook for systematic reviews of interventions. Methodological features were collected and extracted by two reviewers independently. RESULTS: Nine randomized controlled trials with 1261 knees were eligible for pooled analysis. The meta-analysis demonstrated there were no statistical differences in the Knee Society Score, Hospital for Special Surgery, Western Ontario and McMaster Universities index, tibial component alignment, femoral component alignment, tibial posterior slope, joint line, and incidence of complications with short-to medium-term follow-up (p>0.01). Statistically difference in postoperative range of motion (WMD: 4.34°, 95% CI: 3.18° to 5.50°) in favor of PS prostheses was found between groups (p<0.01). CONCLUSION: The findings indicate there were no significant statistical differences in knee scores, radiological outcomes, and complications between the two types of implants. Statistically significant difference in postoperative ROM was found between the two groups, but no clinical difference.
Shi-Xing Luo; J M Zhao; Wei Su; Xiao-Feng Li; Gui-Fu Dong
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-1
Journal Detail:
Title:  The Knee     Volume:  -     ISSN:  1873-5800     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9430798     Medline TA:  Knee     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier B.V. All rights reserved.
Department of Trauma Orthopedics, Ninth Affiliated Hospital of Guangxi Medical University, Beihai 536000, China; Department of Trauma Orthopedics, First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China.
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