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Rotational alignment of femoral components in total knee arthroplasty: nonimage-based navigation system versus conventional technique

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Authors
Han, Hyuk Soo; Seong, Sang Cheol; Lee, Sahnghoon; Lee, Myung Chul
Issue Date
2007-04-06
Publisher
Slack Incorporated
Citation
Orthopedics. 2006; 29(10 Suppl):S148-151
Keywords
Arthroplasty, Replacement, Knee/*methodsArthroscopy/*methodsFemur/physiology/radiography/*surgeryKnee/physiology/radiography/surgeryOsteoarthritis, Knee/surgeryProspective StudiesRotationSurgery, Computer-Assisted/*methodsTomography, X-Ray Computed
Abstract
A randomized prospective study was undertaken to compare the accuracy of rotational alignment of the femoral component in total knee arthroplasty using a nonimage-based navigation system and a conventional method. The authors randomly used two methods and implants in 55 patients and measured the angles between posterior condylar lines and transepicondylar axes on computed tomography images before and after surgery. Analysis showed no significant differences between the two techniques in mean errors (P>.05), but the navigation system showed higher accuracy than the 3 degrees external rotation method by reducing outliers.
ISSN
0147-7447 (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17407944

http://hdl.handle.net/10371/11148
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College of Medicine/School of Medicine (의과대학/대학원)Orthopedic Surgery (정형외과학전공)Journal Papers (저널논문_정형외과학전공)
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