Journal
JOURNAL OF ARTHROPLASTY
Volume 29, Issue 7, Pages 1383-1387Publisher
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2014.01.034
Keywords
total knee arthroplasty; predictors of pain; pain range-of-motion; anxiety; depression; pain catastrophizing
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Funding
- National Institute of Nursing Research (NINR) [R01 NR009844]
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Total knee arthroplasty has provided dramatic improvements in function and pain for the majority of patients with knee arthritis, yet a significant proportion of patients remain dissatisfied with their results. We performed a prospective analysis of 215 patients undergoing TKA who underwent a comprehensive array of evaluations to discover whether any preoperative assessment could predict high pain scores and functional limitations postoperatively. Patients with severe pain with a simple knee range-of-motion test prior to TKA had a 10 times higher likelihood of moderate to severe pain at 6 months. A simple test of pain intensity with active flexion and extension preoperatively was a significant predictor of postoperative pain at 6 months after surgery. Strategies to address this particular patient group may improve satisfaction rates of TKA. (C) 2014 Elsevier Inc. All rights reserved.
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