• J Arthroplasty · Jul 2014

    Randomized Controlled Trial

    Preoperative predictors of pain following total knee arthroplasty.

    • Nicolas O Noiseux, John J Callaghan, Charles R Clark, M Bridget Zimmerman, Kathleen A Sluka, and Barbara A Rakel.
    • Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, Iowa.
    • J Arthroplasty. 2014 Jul 1;29(7):1383-7.

    AbstractTotal 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.Copyright © 2014 Elsevier Inc. All rights reserved.

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