Document Detail

Navigation-assisted less invasive total knee arthroplasty compared with conventional total knee arthroplasty: a randomized prospective trial.
MedLine Citation:
PMID:  16950026     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to evaluate the hypothesis that a less invasive (LIS) surgical technique using a navigation system would promote rapid recovery and improve alignment compared with conventional technique in total knee arthroplasty (TKA). This study compared 49 navigation-assisted LIS TKAs with 53 conventionally performed TKAs using a medial parapatellar arthrotomy with patellar eversion. Navigation-assisted LIS TKA used a shorter skin incision, a midvastus approach without patella eversion, and a navigation system. Navigation-assisted LIS TKA had better pain scores, shorter times to achieve 90 degrees flexion and straight leg raise, and a smaller extension lag during the very early postoperative period. However, there were no differences between the groups 2 weeks postoperatively. There were no differences in mean prosthetic alignment between the 2 groups, but the navigation-assisted LIS group had fewer "outliers" than the conventionally performed TKA group.
Jong Keun Seon; Eun Kyoo Song
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  The Journal of arthroplasty     Volume:  21     ISSN:  0883-5403     ISO Abbreviation:  J Arthroplasty     Publication Date:  2006 Sep 
Date Detail:
Created Date:  2006-09-04     Completed Date:  2007-01-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8703515     Medline TA:  J Arthroplasty     Country:  United States    
Other Details:
Languages:  eng     Pagination:  777-82     Citation Subset:  IM    
Department of Orthopedics, Center for Joint Disease, Chonnam National University Hwasun Hospital, Jeonnam, Korea.
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MeSH Terms
Aged, 80 and over
Arthroplasty, Replacement, Knee / methods*
Middle Aged
Pain Measurement
Patella / surgery
Prospective Studies
Range of Motion, Articular
Recovery of Function
Statistics, Nonparametric
Surgery, Computer-Assisted*
Surgical Procedures, Minimally Invasive
Treatment Outcome

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

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