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J Arthroplasty. 2015 Dec;30(12):2364-9. doi: 10.1016/j.arth.2015.06.006. Epub 2015 Jun 14.

Prospective Randomized Trial of the Efficacy of Continuous Passive Motion Post Total Knee Arthroplasty: Experience of the Hospital for Special Surgery.

Author information

1
Hospital for Special Surgery, 535 E 70th Street, 6th Floor, New York, NY.

Abstract

Conflicting evidence has created substantial controversy regarding the use of continuous passive motion (CPM) in the in-patient setting post total knee arthroplasty (TKA). A total of 109 patients were randomly assigned to two groups, CPM or no CPM, applied after TKA. All patients received the same physical therapy protocol (3 sessions per day), with the only exception being the CPM. Both groups had a knee flexion of 115° at 6 weeks and 120° at 3 months, with no significant differences (P=0.69 and P=0.41, respectively). Length of stay was significantly less for the group who did not receive CPM. The use of CPM had no clinically relevant benefits with respect to AROM, clinical outcomes or discharge disposition and was associated with a cost of $235.50 per TKA.

KEYWORDS:

CPM; Rehabilitation; TKA; continuous passive motion; total knee arthroplasty

PMID:
26165955
DOI:
10.1016/j.arth.2015.06.006
[Indexed for MEDLINE]

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