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J Arthroplasty. 2007 Sep;22(6 Suppl 2):39-42. Epub 2007 Jul 26.

Looks good but feels bad: factors that contribute to poor results after total knee arthroplasty.

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1
OrthoIndy, Indianapolis, Indiana 46278, USA.

Abstract

The purpose of this study was to evaluate patient factors that might contribute to a poor result after total knee arthroplasty (TKA). Seventy-one knees (6.9%) of 1024 primary TKAs were identified at 1 year follow-up as having a poor result because of either stiffness or pain. Radiographs demonstrated well-fixed and aligned implants. This group was compared with a matched control group of 148 nonpainful or stiff TKAs, with similar range of motion preoperatively. Logistic regression analysis was performed to compare age, sex, body mass index, comorbidities, previous surgeries, preoperative narcotic use, tobacco or alcohol use, work status, insurance status, and any history of depression. Factors that were significantly associated with a stiff or painful outcome included female sex, higher body mass index, previous knee surgery, patients on disability, diabetes mellitus, pulmonary disease, and depression.

PMID:
17823013
DOI:
10.1016/j.arth.2007.04.011
[Indexed for MEDLINE]
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