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Randomized Controlled Trial
. 2014 Jun;29(6):1158-62.
doi: 10.1016/j.arth.2013.12.005. Epub 2013 Dec 14.

The efficacy of continuous passive motion after total knee arthroplasty: a comparison of three protocols

C Kent Boese  1 , Marcia Weis  2 , Tamra Phillips  2 , Sheila Lawton-Peters  2 , Theresa Gallo  1 , Leslie Centeno  1
Affiliations
Randomized Controlled Trial

The efficacy of continuous passive motion after total knee arthroplasty: a comparison of three protocols

C Kent Boese et al. J Arthroplasty. 2014 Jun.

Abstract

We conducted a randomized, controlled trial to determine the efficacy of CPM following total knee arthroplasty (TKA). Postoperative outcomes of interest were: swelling, drop in hemoglobin, self-reported pain scores, range of motion, and hospital length of stay. A total of 160 subjects were randomized into one of three treatment groups: CPM device on and moving from the immediate post-operative period, CPM device on and stationary at 90 degree flexion for the first night and then moving throughout the rest of their stay, and no CPM (N = 55, 51, and 54, respectfully). Subjects were followed during the first and second postoperative day until their first follow-up appointment approximately 3-4 weeks post-operatively. Cost of CPM was further evaluated. CPM provided no benefit to patients recovering from TKA.

Keywords: CPM; continuous passive motion; knee arthroplasty; knee replacement; postoperative rehabilitation; total knee arthroplasty.

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