Risk Factors for Total Knee Arthroplasty Aseptic Revision

Abstract Using a Total Joint Replacement Registry, patient, operative, implant, surgeon, and hospital risk factors associated with aseptic revision after primary total knee arthroplasty (TKA) were evaluated. From 04/2001 to 12/31/2010 64,017 primary TKA cases, followed for a median time of 2.9 years...

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Bibliographic Details
Published in:The Journal of arthroplasty 2013-09, Vol.28 (8), p.122-127
Main Authors: Namba, Robert S., MD, Cafri, Guy, PhD, Khatod, Monti, MD, Inacio, Maria C.S., PhD, Brox, Timothy W., MD, Paxton, Elizabeth W., MA
Format: Article
Language:English
Subjects:
Age Factors
Aged
Arthroplasty, Replacement, Knee
aseptic revision
Body Mass Index
Continental Population Groups
Female
Humans
Knee Joint - surgery
Knee Prosthesis
Male
Middle Aged
Orthopedics
Prospective Studies
Prosthesis Failure - etiology
Reoperation
Retrospective Studies
Risk Factors
Sex Factors
total knee arthroplasty
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Summary:Abstract Using a Total Joint Replacement Registry, patient, operative, implant, surgeon, and hospital risk factors associated with aseptic revision after primary total knee arthroplasty (TKA) were evaluated. From 04/2001 to 12/31/2010 64,017 primary TKA cases, followed for a median time of 2.9 years, were registered and included in the analysis. Patients were predominantly female, white, with osteoarthritis, and obese. The crude aseptic revision rate is 1.3% (N = 826). The cumulative survival for aseptic revision at 8 years is 97.6% (95% CI 97.3%–97.8%). Adjusted models revealed that age, race, body mass index, diabetic status, bilateral procedures, high-flex implants, and the LCS mobile bearing knee are associated with risk of revision. Gender, general health status, diagnosis, surgeon fellowship training, surgeon volume, hospital volume, fixation, and bearing surface material were not associated with risk of aseptic revision. Recognition of surgical factors associated with TKA failures can help the surgeons with their choices of surgical techniques and implants.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2013.04.050