Conversion total knee arthroplasty: A case complexity between primary and revision total knee arthroplasty

Conversion total knee arthroplasty (TKA) may represent a more complex procedure compared with primary TKA. The purpose of this study was to compare 30-day complications between conversion TKA and primary, non-conversion TKA as well as between conversion TKA and revision TKA on a national scale using...

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Bibliographic Details
Published in:The knee 2021-08, Vol.31, p.180-187
Main Authors: Quan, Theodore, Wang, Kevin Y., Gu, Alex, Gioia, Casey, Malahias, Michael-Alexander, Stoll, William T., Thakkar, Savyasachi C., Campbell, Joshua C.
Format: Article
Language:English
Subjects:
Complications
Conversion TKA
Primary TKA
Revision TKA
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Summary:Conversion total knee arthroplasty (TKA) may represent a more complex procedure compared with primary TKA. The purpose of this study was to compare 30-day complications between conversion TKA and primary, non-conversion TKA as well as between conversion TKA and revision TKA on a national scale using a multi-center surgical registry. Adult patients undergoing conversion TKA from 2006 to 2018 were identified in the National Surgical Quality Improvement Program database and were compared with patients who underwent primary TKA and aseptic revision TKA. In this analysis, 30-day complications were assessed. Bivariate analyses, including chi-squared and analysis of variance, and multivariate logistic regressions were performed. Of 299,065 total patients undergoing knee arthroplasty, 1,310 (0.4%) underwent conversion TKA, 275,470 (92.1%) underwent primary TKA, and 22,285 (7.5%) underwent revision TKA. Following adjustment, patients who underwent conversion TKA were more likely to have increased risks of any complications (P 
ISSN:0968-0160
1873-5800
DOI:10.1016/j.knee.2021.06.008