Document Detail

Improving tibial component coronal alignment using clearly defined anatomical structures in total knee arthroplasty.
MedLine Citation:
PMID:  24563976     Owner:  NLM     Status:  In-Process    
Several authors recently proposed to use clearly defined anatomical structures for extramedullary tibial alignment in total knee replacement, instead of using the intermalleolar center. The purpose of this study was to evaluate the benefits of using the dorsalis pedis artery and the anterior tibial crest as distal landmarks. Postoperative radiographs in 195 knees (98 in the control and 97 in the landmark group) were evaluated. The mean coronal alignment of the tibial component was 89.7 degrees +/- 2.1 degrees in the control group and 90.0 degrees +/- 1.3 degrees in the landmark group. Although there was no significant difference, the proportion of radiological outliers was significantly reduced in the landmark group compared to the control group (6.2% vs 27.6% in > 2 degrees outliers; p < 0.0001, 1.0% vs 10.2% in > 3 degrees outliers; p = 0.01). In order to achieve accurate coronal alignment of the tibial component, it appears better to use multiple clear anatomical landmarks such as the dorsal pedis artery and the anterior tibial crest rather than using only the intermalleolar center.
Masahiko Ikeuchi; Masashi Izumi; Koji Aso; Natsuki Sugimura; Toshikazu Tani
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta orthopaedica Belgica     Volume:  79     ISSN:  0001-6462     ISO Abbreviation:  Acta Orthop Belg     Publication Date:  2013 Dec 
Date Detail:
Created Date:  2014-02-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985165R     Medline TA:  Acta Orthop Belg     Country:  Belgium    
Other Details:
Languages:  eng     Pagination:  694-8     Citation Subset:  IM    
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