Document Detail

Computer-assisted total knee arthroplasty: impact of the surgeon's experience on the component placement.
MedLine Citation:
PMID:  23229459     Owner:  NLM     Status:  Publisher    
INTRODUCTION: Accuracy of implant positioning in total knee arthroplasty (TKA) has a major impact on postoperative outcomes. We investigate the accuracy of positioning of multiples values simultaneously in TKA navigated, even among novice users. METHOD: The "novice" group included the first 91 knees operated on by 10 operators new to navigation and the "experienced" group 174 knees by an experienced navigator. Deviations from the preoperative planning were graded as optimal (≤3°), acceptable (4°-5°) or non-acceptable (≥5°). Moreover, the percentage of the three values fulfilling simultaneously the objective was calculated. RESULTS: No significant difference in the number of non-acceptable results was found. The common objective for these three values was achieved within 5° in 96 % in the novice group and 98 % in the experienced one. CONCLUSION: The satisfactory HKA alignment was not the result of reversed errors between the tibia and the femur, since it correlated the successful simultaneous results of alpha and beta angles.
Richard Ballas; Rémi Philippot; Jean-Loup Cartier; Bertrand Boyer; Frédéric Farizon
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-11
Journal Detail:
Title:  Archives of orthopaedic and trauma surgery     Volume:  -     ISSN:  1434-3916     ISO Abbreviation:  Arch Orthop Trauma Surg     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9011043     Medline TA:  Arch Orthop Trauma Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Orthopedic Surgery, University of Reunion Island, Hospital of Saint-Pierre, BP 350, 97448, Saint Pierre Cedex, France,
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