Document Detail

Anterolateral approach using tibial tubercle osteotomy for total knee arthroplasty: can we predict failure?
MedLine Citation:
PMID:  23129224     Owner:  NLM     Status:  MEDLINE    
PURPOSE: The purpose of this study was to identify predictive factors for the occurrence of complications in a consecutive series of patients who underwent step-cut tibial tubercle osteotomy (TTO) and subsequent screw refixation in primary total knee arthroplasty (TKA).
METHODS: Using standardised conventional radiographs, critical parameters including TTO length and depth, proximal abutment width (OT), and orientation and placement of fixation screws were measured in 422 patients (mean age of 71 years and a follow-up time range of one to five years) with two screw fixations.
RESULTS: Medial spatial orientation in the distal screw (11 %, p=0.046), the TTO length (<55.4 mm, p=0.013), the OT width (<14 mm, p=0.002) and the distance of the distal refixation screw from the TKA (<51.7 mm, p=0.003) were significant factors for the occurrence of complications.
CONCLUSIONS: Age, gender, comorbidities, height, weight and/or the body mass index had no significant influence on the occurrence of complications. The TTO-related complication rate was 3 %. Consideration of these key surgical factors leads to improved outcomes.
Marc Wishart; Markus P Arnold; Rolf W Huegli; Felix Amsler; Niklaus F Friederich; Michael T Hirschmann
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Publication Detail:
Type:  Journal Article     Date:  2012-11-06
Journal Detail:
Title:  International orthopaedics     Volume:  36     ISSN:  1432-5195     ISO Abbreviation:  Int Orthop     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-27     Completed Date:  2013-05-21     Revised Date:  2013-12-04    
Medline Journal Info:
Nlm Unique ID:  7705431     Medline TA:  Int Orthop     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  2485-90     Citation Subset:  IM    
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MeSH Terms
Aged, 80 and over
Arthroplasty, Replacement, Knee / adverse effects*,  methods*
Bone Screws
Follow-Up Studies
Knee Joint / radiography,  surgery
Knee Prosthesis
Middle Aged
Osteotomy / adverse effects*,  methods*
Predictive Value of Tests
Retrospective Studies
Tibia / surgery*
Treatment Failure
Treatment Outcome

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

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