Factors Associated With Poor Outcomes Following Unicompartmental Knee Arthroplasty

Abstract Indications for UKA for isolated osteoarthritis of the knee remain controversial. Two hundred twenty-nine UKA that were performed at our institution were evaluated for which factors were associated with a poor outcome. BMI > 35 was correlated with lower KSS scores than patients with BMI...

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Bibliographic Details
Published in:The Journal of arthroplasty 2013-10, Vol.28 (9), p.1561-1564
Main Authors: Thompson, Scott A.J., MD, Liabaud, Barthelemy, MD, Nellans, Kate W., MD, MPH, Geller, Jeffrey A., MD
Format: Article
Language:English
Subjects:
BMI
indications for surgery
Orthopedics
patients' age
unicompartmental knee arthroplasty
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Summary:Abstract Indications for UKA for isolated osteoarthritis of the knee remain controversial. Two hundred twenty-nine UKA that were performed at our institution were evaluated for which factors were associated with a poor outcome. BMI > 35 was correlated with lower KSS scores than patients with BMI < 35. In contrast to prior reports, patients younger than 60 years old had higher scores than patients 60 years and older at 2 years. Women had an unacceptably high short-term revision rate for any reason of 6.5%. Popularity for UKA has increased, and a more in depth investigation of predictors of poor outcomes demonstrates that younger patients appear to have better results. Obese patients continue to improve up to 2 years after surgery and should not be precluded from undergoing UKA.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2013.02.034